diff --git a/.changeset/serious-dryers-relate.md b/.changeset/serious-dryers-relate.md
new file mode 100644
index 000000000..8bdf2d7f8
--- /dev/null
+++ b/.changeset/serious-dryers-relate.md
@@ -0,0 +1,5 @@
+---
+"@marko/runtime-tags": patch
+---
+
+When using the bound attribute syntax, prefer to create a simple shared function that assigns to the bound variable.
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-spread/__snapshots__/.name-cache.json b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-spread/__snapshots__/.name-cache.json
index bfbaa8f44..7d67a8817 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-spread/__snapshots__/.name-cache.json
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-spread/__snapshots__/.name-cache.json
@@ -6,7 +6,9 @@
       "$_input__effect": "a",
       "$_input_": "r",
       "$_checkedChange": "o",
-      "$_checked": "m"
+      "$_checked": "m",
+      "$_expr_checked__checkedChange": "n",
+      "$_checked2": "c"
     }
   }
 }
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/.name-cache.json b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/.name-cache.json
index 9432ff80b..d1d8fe281 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/.name-cache.json
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/.name-cache.json
@@ -6,7 +6,9 @@
       "$_checkedValueChange": "c",
       "$_checkedValueChange2": "a",
       "$_checkedValueChange3": "l",
-      "$_checkedValue": "o"
+      "$_checkedValue": "o",
+      "$_expr_checkedValue__checkedValueChange": "n",
+      "$_checkedValue2": "r"
     }
   }
 }
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/dom.expected/template.hydrate.js b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/dom.expected/template.hydrate.js
index 8e3a55ac4..6ef0b6159 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/dom.expected/template.hydrate.js
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/dom.expected/template.hydrate.js
@@ -1,49 +1,41 @@
-// size: 515 (min) 165 (brotli)
-const _checkedValue = _$.state(4, (_scope, checkedValue) => {
-  _$.controllable_input_checkedValue(
-    _scope,
-    0,
-    checkedValue,
-    _checkedValueChange3(_scope),
-    "a",
-  ),
+// size: 451 (min) 178 (brotli)
+const _expr_checkedValue__checkedValueChange = _$.intersection(2, (_scope) => {
+    const { 4: checkedValue, 5: _checkedValueChange } = _scope;
     _$.controllable_input_checkedValue(
       _scope,
-      1,
+      0,
       checkedValue,
-      _checkedValueChange2(_scope),
-      "b",
+      _checkedValueChange,
+      "a",
     ),
-    _$.controllable_input_checkedValue(
-      _scope,
-      2,
-      checkedValue,
-      _checkedValueChange(_scope),
-      "c",
-    ),
-    _$.data(_scope[3], checkedValue);
-});
-function _checkedValueChange(_scope) {
-  return (_new_checkedValue3) => {
-    _checkedValue(_scope, _new_checkedValue3);
-  };
-}
-function _checkedValueChange2(_scope) {
-  return (_new_checkedValue2) => {
-    _checkedValue(_scope, _new_checkedValue2);
-  };
-}
-function _checkedValueChange3(_scope) {
-  return (_new_checkedValue) => {
-    _checkedValue(_scope, _new_checkedValue);
-  };
-}
-_$.effect("a3", (_scope) => {
+      _$.controllable_input_checkedValue(
+        _scope,
+        1,
+        checkedValue,
+        _checkedValueChange,
+        "b",
+      ),
+      _$.controllable_input_checkedValue(
+        _scope,
+        2,
+        checkedValue,
+        _checkedValueChange,
+        "c",
+      );
+  }),
+  _checkedValue = _$.state(
+    4,
+    (_scope, checkedValue) => _$.data(_scope[3], checkedValue),
+    () => _expr_checkedValue__checkedValueChange,
+  );
+_$.effect("a1", (_scope) => {
   _$.controllable_input_checkedValue_effect(_scope, 0),
     _$.controllable_input_checkedValue_effect(_scope, 1),
     _$.controllable_input_checkedValue_effect(_scope, 2);
 }),
-  _$.register("a2", _checkedValueChange),
-  _$.register("a1", _checkedValueChange2),
-  _$.register("a0", _checkedValueChange3),
+  _$.register("a0", function (_scope) {
+    return (_new_checkedValue) => {
+      _checkedValue(_scope, _new_checkedValue);
+    };
+  }),
   init();
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/dom.expected/template.js b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/dom.expected/template.js
index 0c37ce515..7fafb5ea1 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/dom.expected/template.js
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/dom.expected/template.js
@@ -1,12 +1,17 @@
 export const _template_ = "<input type=radio><input type=radio><input type=radio><span> </span>";
 export const _walks_ = /* get, over(1), get, over(1), get, over(1), next(1), get, out(1) */" b b bD l";
 import * as _$ from "@marko/runtime-tags/debug/dom";
-const _checkedValue = /* @__PURE__ */_$.state("checkedValue", (_scope, checkedValue) => {
-  _$.controllable_input_checkedValue(_scope, "#input/0", checkedValue, _checkedValueChange3(_scope), "a");
-  _$.controllable_input_checkedValue(_scope, "#input/1", checkedValue, _checkedValueChange2(_scope), "b");
-  _$.controllable_input_checkedValue(_scope, "#input/2", checkedValue, _checkedValueChange(_scope), "c");
-  _$.data(_scope["#text/3"], checkedValue);
+const _expr_checkedValue__checkedValueChange = /* @__PURE__ */_$.intersection(2, _scope => {
+  const {
+    checkedValue,
+    _checkedValueChange
+  } = _scope;
+  _$.controllable_input_checkedValue(_scope, "#input/0", checkedValue, _checkedValueChange, "a");
+  _$.controllable_input_checkedValue(_scope, "#input/1", checkedValue, _checkedValueChange, "b");
+  _$.controllable_input_checkedValue(_scope, "#input/2", checkedValue, _checkedValueChange, "c");
 });
+const _checkedValueChange2 = /* @__PURE__ */_$.value("_checkedValueChange", 0, () => _expr_checkedValue__checkedValueChange);
+const _checkedValue = /* @__PURE__ */_$.state("checkedValue", (_scope, checkedValue) => _$.data(_scope["#text/3"], checkedValue), () => _expr_checkedValue__checkedValueChange);
 const _setup__effect = _$.effect("__tests__/template.marko_0", _scope => {
   _$.controllable_input_checkedValue_effect(_scope, "#input/0");
   _$.controllable_input_checkedValue_effect(_scope, "#input/1");
@@ -15,23 +20,12 @@ const _setup__effect = _$.effect("__tests__/template.marko_0", _scope => {
 export function _setup_(_scope) {
   _setup__effect(_scope);
   _checkedValue(_scope, "a");
-}
-function _checkedValueChange(_scope) {
-  return _new_checkedValue3 => {
-    _checkedValue(_scope, _new_checkedValue3);
-  };
-}
-function _checkedValueChange2(_scope) {
-  return _new_checkedValue2 => {
-    _checkedValue(_scope, _new_checkedValue2);
-  };
+  _checkedValueChange2(_scope, _checkedValueChange3(_scope));
 }
 function _checkedValueChange3(_scope) {
   return _new_checkedValue => {
     _checkedValue(_scope, _new_checkedValue);
   };
 }
-_$.register("__tests__/template.marko_0/checkedValueChange_1", _checkedValueChange);
-_$.register("__tests__/template.marko_0/checkedValueChange_0", _checkedValueChange2);
-_$.register("__tests__/template.marko_0/checkedValueChange", _checkedValueChange3);
+_$.register("__tests__/template.marko_0/_checkedValueChange", _checkedValueChange3);
 export default /* @__PURE__ */_$.createTemplate("__tests__/template.marko", _template_, _walks_, _setup_);
\ No newline at end of file
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/html.expected/template.js b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/html.expected/template.js
index 5c60a83f7..d85d11ba3 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/html.expected/template.js
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/html.expected/template.js
@@ -2,16 +2,14 @@ import * as _$ from "@marko/runtime-tags/debug/html";
 const _renderer = /* @__PURE__ */_$.createRenderer(input => {
   const _scope0_id = _$.nextScopeId();
   const checkedValue = "a";
-  _$.write(`<input${_$.controllable_input_checkedValue(_scope0_id, "#input/0", checkedValue, _$.register(_new_checkedValue => {
+  const _checkedValueChange = _$.register(_new_checkedValue => {
     checkedValue = _new_checkedValue;
-  }, "__tests__/template.marko_0/checkedValueChange", _scope0_id), "a")} type=radio>${_$.markResumeNode(_scope0_id, "#input/0")}<input${_$.controllable_input_checkedValue(_scope0_id, "#input/1", checkedValue, _$.register(_new_checkedValue2 => {
-    checkedValue = _new_checkedValue2;
-  }, "__tests__/template.marko_0/checkedValueChange_0", _scope0_id), "b")} type=radio>${_$.markResumeNode(_scope0_id, "#input/1")}<input${_$.controllable_input_checkedValue(_scope0_id, "#input/2", checkedValue, _$.register(_new_checkedValue3 => {
-    checkedValue = _new_checkedValue3;
-  }, "__tests__/template.marko_0/checkedValueChange_1", _scope0_id), "c")} type=radio>${_$.markResumeNode(_scope0_id, "#input/2")}<span>${_$.escapeXML(checkedValue)}${_$.markResumeNode(_scope0_id, "#text/3")}</span>`);
+  }, "__tests__/template.marko_0/_checkedValueChange", _scope0_id);
+  _$.write(`<input${_$.controllable_input_checkedValue(_scope0_id, "#input/0", checkedValue, _checkedValueChange, "a")} type=radio>${_$.markResumeNode(_scope0_id, "#input/0")}<input${_$.controllable_input_checkedValue(_scope0_id, "#input/1", checkedValue, _checkedValueChange, "b")} type=radio>${_$.markResumeNode(_scope0_id, "#input/1")}<input${_$.controllable_input_checkedValue(_scope0_id, "#input/2", checkedValue, _checkedValueChange, "c")} type=radio>${_$.markResumeNode(_scope0_id, "#input/2")}<span>${_$.escapeXML(checkedValue)}${_$.markResumeNode(_scope0_id, "#text/3")}</span>`);
   _$.writeEffect(_scope0_id, "__tests__/template.marko_0");
   _$.debug(_$.writeScope(_scope0_id, {
-    "checkedValue": checkedValue
+    "checkedValue": checkedValue,
+    "_checkedValueChange": _checkedValueChange
   }), "__tests__/template.marko", 0, {
     "checkedValue": "1:6"
   });
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/resume.expected.md b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/resume.expected.md
index 78ca695a4..ffa259e27 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/resume.expected.md
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/resume.expected.md
@@ -24,7 +24,7 @@
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.b={1:_.a={"#input/0=":1,"#input/1=":1,"#input/2=":1,checkedValue:"a"}},_.a["#input/0;"]=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.a["#input/1;"]=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.a["#input/2;"]=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.b),1,"__tests__/template.marko_0",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.b={1:_.a={"#input/0=":1,"#input/1=":1,"#input/2=":1,checkedValue:"a"}},_.a["#input/0;"]=_.a["#input/1;"]=_.a["#input/2;"]=_.a._checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.b),1,"__tests__/template.marko_0",0];M._.w()
     </script>
   </body>
 </html>
@@ -60,7 +60,7 @@ container.querySelectorAll(`input`)[1].click();
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.b={1:_.a={"#input/0=":1,"#input/1=":1,"#input/2=":1,checkedValue:"a"}},_.a["#input/0;"]=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.a["#input/1;"]=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.a["#input/2;"]=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.b),1,"__tests__/template.marko_0",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.b={1:_.a={"#input/0=":1,"#input/1=":1,"#input/2=":1,checkedValue:"a"}},_.a["#input/0;"]=_.a["#input/1;"]=_.a["#input/2;"]=_.a._checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.b),1,"__tests__/template.marko_0",0];M._.w()
     </script>
   </body>
 </html>
@@ -100,7 +100,7 @@ container.querySelectorAll(`input`)[2].click();
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.b={1:_.a={"#input/0=":1,"#input/1=":1,"#input/2=":1,checkedValue:"a"}},_.a["#input/0;"]=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.a["#input/1;"]=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.a["#input/2;"]=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.b),1,"__tests__/template.marko_0",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.b={1:_.a={"#input/0=":1,"#input/1=":1,"#input/2=":1,checkedValue:"a"}},_.a["#input/0;"]=_.a["#input/1;"]=_.a["#input/2;"]=_.a._checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.b),1,"__tests__/template.marko_0",0];M._.w()
     </script>
   </body>
 </html>
@@ -140,7 +140,7 @@ container.querySelectorAll(`input`)[0].click();
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.b={1:_.a={"#input/0=":1,"#input/1=":1,"#input/2=":1,checkedValue:"a"}},_.a["#input/0;"]=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.a["#input/1;"]=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.a["#input/2;"]=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.b),1,"__tests__/template.marko_0",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.b={1:_.a={"#input/0=":1,"#input/1=":1,"#input/2=":1,checkedValue:"a"}},_.a["#input/0;"]=_.a["#input/1;"]=_.a["#input/2;"]=_.a._checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.b),1,"__tests__/template.marko_0",0];M._.w()
     </script>
   </body>
 </html>
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/ssr.expected.md b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/ssr.expected.md
index 6184843ea..630473cb6 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/ssr.expected.md
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/__snapshots__/ssr.expected.md
@@ -1,6 +1,6 @@
 # Write
 ```html
-  <input value=a checked type=radio><!--M_*1 #input/0--><input value=b type=radio><!--M_*1 #input/1--><input value=c type=radio><!--M_*1 #input/2--><span>a<!--M_*1 #text/3--></span><script>WALKER_RUNTIME("M")("_");M._.r=[_=>(_.b={1:_.a={"#input/0=":1,"#input/1=":1,"#input/2=":1,checkedValue:"a"}},_.a["#input/0;"]=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.a["#input/1;"]=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.a["#input/2;"]=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.b),1,"__tests__/template.marko_0",0];M._.w()</script>
+  <input value=a checked type=radio><!--M_*1 #input/0--><input value=b type=radio><!--M_*1 #input/1--><input value=c type=radio><!--M_*1 #input/2--><span>a<!--M_*1 #text/3--></span><script>WALKER_RUNTIME("M")("_");M._.r=[_=>(_.b={1:_.a={"#input/0=":1,"#input/1=":1,"#input/2=":1,checkedValue:"a"}},_.a["#input/0;"]=_.a["#input/1;"]=_.a["#input/2;"]=_.a._checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.b),1,"__tests__/template.marko_0",0];M._.w()</script>
 ```
 
 # Render End
@@ -29,7 +29,7 @@
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.b={1:_.a={"#input/0=":1,"#input/1=":1,"#input/2=":1,checkedValue:"a"}},_.a["#input/0;"]=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.a["#input/1;"]=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.a["#input/2;"]=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.b),1,"__tests__/template.marko_0",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.b={1:_.a={"#input/0=":1,"#input/1=":1,"#input/2=":1,checkedValue:"a"}},_.a["#input/0;"]=_.a["#input/1;"]=_.a["#input/2;"]=_.a._checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.b),1,"__tests__/template.marko_0",0];M._.w()
     </script>
   </body>
 </html>
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/template.marko b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/template.marko
index 32f12e73d..9a2a00ac5 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/template.marko
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-value/template.marko
@@ -1,4 +1,5 @@
 <let/checkedValue = "a"/>
+
 <input type="radio" checkedValue:=checkedValue value="a"/>
 <input type="radio" checkedValue:=checkedValue value="b"/>
 <input type="radio" checkedValue:=checkedValue value="c"/>
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/.name-cache.json b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/.name-cache.json
index 9b87b411f..63c86cc05 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/.name-cache.json
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/.name-cache.json
@@ -8,7 +8,9 @@
       "$_checkedValueChange": "i",
       "$_checkedValueChange2": "n",
       "$_checkedValueChange3": "r",
-      "$_checkedValue": "u"
+      "$_checkedValue": "u",
+      "$_expr_checkedValue__checkedValueChange": "o",
+      "$_checkedValue2": "h"
     }
   }
 }
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/dom.expected/template.hydrate.js b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/dom.expected/template.hydrate.js
index cdee5d283..3ec330169 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/dom.expected/template.hydrate.js
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/dom.expected/template.hydrate.js
@@ -1,25 +1,25 @@
-// size: 558 (min) 240 (brotli)
+// size: 494 (min) 238 (brotli)
 const _input__effect = _$.effect("a0", (_scope) => _$.attrsEvents(_scope, 0)),
   _input_ = _$.value(2, (_scope, input) => {
     _$.attrs(_scope, 0, { type: "checkbox", ...input }), _input__effect(_scope);
   }),
-  _checkedValue = _$.state(
-    4,
-    (_scope, checkedValue) => {
-      _$.data(_scope[3], checkedValue),
-        _input_(_scope[0], {
-          checkedValue: checkedValue,
-          checkedValueChange: _checkedValueChange(_scope),
-          value: "a",
-        }),
+  _expr_checkedValue__checkedValueChange = _$.intersection(
+    2,
+    (_scope) => {
+      const { 4: checkedValue, 5: _checkedValueChange } = _scope;
+      _input_(_scope[0], {
+        checkedValue: checkedValue,
+        checkedValueChange: _checkedValueChange,
+        value: "a",
+      }),
         _input_(_scope[1], {
           checkedValue: checkedValue,
-          checkedValueChange: _checkedValueChange2(_scope),
+          checkedValueChange: _checkedValueChange,
           value: "b",
         }),
         _input_(_scope[2], {
           checkedValue: checkedValue,
-          checkedValueChange: _checkedValueChange3(_scope),
+          checkedValueChange: _checkedValueChange,
           value: "c",
         });
     },
@@ -29,23 +29,15 @@ const _input__effect = _$.effect("a0", (_scope) => _$.attrsEvents(_scope, 0)),
         _$.inChild(1, _input_),
         _$.inChild(2, _input_),
       ]),
+  ),
+  _checkedValue = _$.state(
+    4,
+    (_scope, checkedValue) => _$.data(_scope[3], checkedValue),
+    () => _expr_checkedValue__checkedValueChange,
   );
-function _checkedValueChange(_scope) {
+_$.register("b0", function (_scope) {
   return (_new_checkedValue) => {
     _checkedValue(_scope, _new_checkedValue);
   };
-}
-function _checkedValueChange2(_scope) {
-  return (_new_checkedValue2) => {
-    _checkedValue(_scope, _new_checkedValue2);
-  };
-}
-function _checkedValueChange3(_scope) {
-  return (_new_checkedValue3) => {
-    _checkedValue(_scope, _new_checkedValue3);
-  };
-}
-_$.register("b0", _checkedValueChange),
-  _$.register("b1", _checkedValueChange2),
-  _$.register("b2", _checkedValueChange3),
+}),
   init();
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/dom.expected/template.js b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/dom.expected/template.js
index a9cc9f2d8..69fc6f39f 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/dom.expected/template.js
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/dom.expected/template.js
@@ -2,46 +2,40 @@ export const _template_ = `${_checkbox_template}${_checkbox_template}${_checkbox
 export const _walks_ = /* beginChild, _checkbox_walks, endChild, beginChild, _checkbox_walks, endChild, beginChild, _checkbox_walks, endChild, next(1), get, out(1) */`/${_checkbox_walks}&/${_checkbox_walks}&/${_checkbox_walks}&D l`;
 import { _setup_ as _checkbox, _input_ as _checkbox_input, _template_ as _checkbox_template, _walks_ as _checkbox_walks } from "./tags/checkbox.marko";
 import * as _$ from "@marko/runtime-tags/debug/dom";
-const _checkedValue = /* @__PURE__ */_$.state("checkedValue", (_scope, checkedValue) => {
-  _$.data(_scope["#text/3"], checkedValue);
+const _expr_checkedValue__checkedValueChange = /* @__PURE__ */_$.intersection(2, _scope => {
+  const {
+    checkedValue,
+    _checkedValueChange
+  } = _scope;
   _checkbox_input(_scope["#childScope/0"], {
     checkedValue: checkedValue,
-    checkedValueChange: _checkedValueChange(_scope),
+    checkedValueChange: _checkedValueChange,
     value: "a"
   });
   _checkbox_input(_scope["#childScope/1"], {
     checkedValue: checkedValue,
-    checkedValueChange: _checkedValueChange2(_scope),
+    checkedValueChange: _checkedValueChange,
     value: "b"
   });
   _checkbox_input(_scope["#childScope/2"], {
     checkedValue: checkedValue,
-    checkedValueChange: _checkedValueChange3(_scope),
+    checkedValueChange: _checkedValueChange,
     value: "c"
   });
 }, () => _$.intersections([/* @__PURE__ */_$.inChild("#childScope/0", _checkbox_input), /* @__PURE__ */_$.inChild("#childScope/1", _checkbox_input), /* @__PURE__ */_$.inChild("#childScope/2", _checkbox_input)]));
+const _checkedValueChange2 = /* @__PURE__ */_$.value("_checkedValueChange", 0, () => _expr_checkedValue__checkedValueChange);
+const _checkedValue = /* @__PURE__ */_$.state("checkedValue", (_scope, checkedValue) => _$.data(_scope["#text/3"], checkedValue), () => _expr_checkedValue__checkedValueChange);
 export function _setup_(_scope) {
   _checkbox(_scope["#childScope/0"]);
   _checkbox(_scope["#childScope/1"]);
   _checkbox(_scope["#childScope/2"]);
   _checkedValue(_scope, ["a", "b"]);
+  _checkedValueChange2(_scope, _checkedValueChange3(_scope));
 }
-function _checkedValueChange(_scope) {
+function _checkedValueChange3(_scope) {
   return _new_checkedValue => {
     _checkedValue(_scope, _new_checkedValue);
   };
 }
-function _checkedValueChange2(_scope) {
-  return _new_checkedValue2 => {
-    _checkedValue(_scope, _new_checkedValue2);
-  };
-}
-function _checkedValueChange3(_scope) {
-  return _new_checkedValue3 => {
-    _checkedValue(_scope, _new_checkedValue3);
-  };
-}
-_$.register("__tests__/template.marko_0/checkedValueChange", _checkedValueChange);
-_$.register("__tests__/template.marko_0/checkedValueChange_0", _checkedValueChange2);
-_$.register("__tests__/template.marko_0/checkedValueChange_1", _checkedValueChange3);
+_$.register("__tests__/template.marko_0/_checkedValueChange", _checkedValueChange3);
 export default /* @__PURE__ */_$.createTemplate("__tests__/template.marko", _template_, _walks_, _setup_);
\ No newline at end of file
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/html.expected/template.js b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/html.expected/template.js
index 01737ab43..369c5d9e5 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/html.expected/template.js
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/html.expected/template.js
@@ -3,32 +3,30 @@ import * as _$ from "@marko/runtime-tags/debug/html";
 const _renderer = /* @__PURE__ */_$.createRenderer(input => {
   const _scope0_id = _$.nextScopeId();
   const checkedValue = ["a", "b"];
+  const _checkedValueChange = _$.register(_new_checkedValue => {
+    checkedValue = _new_checkedValue;
+  }, "__tests__/template.marko_0/_checkedValueChange", _scope0_id);
   const _childScope = _$.peekNextScope();
   _checkbox({
     checkedValue: checkedValue,
-    checkedValueChange: _$.register(_new_checkedValue => {
-      checkedValue = _new_checkedValue;
-    }, "__tests__/template.marko_0/checkedValueChange", _scope0_id),
+    checkedValueChange: _checkedValueChange,
     value: "a"
   });
   const _childScope2 = _$.peekNextScope();
   _checkbox({
     checkedValue: checkedValue,
-    checkedValueChange: _$.register(_new_checkedValue2 => {
-      checkedValue = _new_checkedValue2;
-    }, "__tests__/template.marko_0/checkedValueChange_0", _scope0_id),
+    checkedValueChange: _checkedValueChange,
     value: "b"
   });
   const _childScope3 = _$.peekNextScope();
   _checkbox({
     checkedValue: checkedValue,
-    checkedValueChange: _$.register(_new_checkedValue3 => {
-      checkedValue = _new_checkedValue3;
-    }, "__tests__/template.marko_0/checkedValueChange_1", _scope0_id),
+    checkedValueChange: _checkedValueChange,
     value: "c"
   });
   _$.write(`<span>${_$.escapeXML(checkedValue)}${_$.markResumeNode(_scope0_id, "#text/3")}</span>`);
   _$.debug(_$.writeScope(_scope0_id, {
+    "_checkedValueChange": _checkedValueChange,
     "#childScope/0": _$.writeExistingScope(_childScope),
     "#childScope/1": _$.writeExistingScope(_childScope2),
     "#childScope/2": _$.writeExistingScope(_childScope3)
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/resume.expected.md b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/resume.expected.md
index e8a33b091..6334dc721 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/resume.expected.md
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/resume.expected.md
@@ -25,7 +25,7 @@
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.i={1:_.a={"#childScope/0":_.b={"#input/0=":1,"#input/0:":_.c=["a","b"],input:_.d={checkedValue:_.c,value:"a"}},"#childScope/1":_.e={"#input/0=":1,"#input/0:":_.c,input:_.f={checkedValue:_.c,value:"b"}},"#childScope/2":_.g={"#input/0=":1,"#input/0:":_.c,input:_.h={checkedValue:_.c,value:"c"}}},2:_.b,3:_.e,4:_.g},_.b["#input/0;"]=_.d.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.e["#input/0;"]=_.f.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.g["#input/0;"]=_.h.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.i),2,"__tests__/tags/checkbox.marko_0_input",3,"__tests__/tags/checkbox.marko_0_input",4,"__tests__/tags/checkbox.marko_0_input",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.i={1:_.a={"#childScope/0":_.b={"#input/0=":1,"#input/0:":_.c=["a","b"],input:_.d={checkedValue:_.c,value:"a"}},"#childScope/1":_.e={"#input/0=":1,"#input/0:":_.c,input:_.f={checkedValue:_.c,value:"b"}},"#childScope/2":_.g={"#input/0=":1,"#input/0:":_.c,input:_.h={checkedValue:_.c,value:"c"}}},2:_.b,3:_.e,4:_.g},_.a._checkedValueChange=_.b["#input/0;"]=_.d.checkedValueChange=_.e["#input/0;"]=_.f.checkedValueChange=_.g["#input/0;"]=_.h.checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.i),2,"__tests__/tags/checkbox.marko_0_input",3,"__tests__/tags/checkbox.marko_0_input",4,"__tests__/tags/checkbox.marko_0_input",0];M._.w()
     </script>
   </body>
 </html>
@@ -61,7 +61,7 @@ container.querySelector("input").click();
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.i={1:_.a={"#childScope/0":_.b={"#input/0=":1,"#input/0:":_.c=["a","b"],input:_.d={checkedValue:_.c,value:"a"}},"#childScope/1":_.e={"#input/0=":1,"#input/0:":_.c,input:_.f={checkedValue:_.c,value:"b"}},"#childScope/2":_.g={"#input/0=":1,"#input/0:":_.c,input:_.h={checkedValue:_.c,value:"c"}}},2:_.b,3:_.e,4:_.g},_.b["#input/0;"]=_.d.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.e["#input/0;"]=_.f.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.g["#input/0;"]=_.h.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.i),2,"__tests__/tags/checkbox.marko_0_input",3,"__tests__/tags/checkbox.marko_0_input",4,"__tests__/tags/checkbox.marko_0_input",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.i={1:_.a={"#childScope/0":_.b={"#input/0=":1,"#input/0:":_.c=["a","b"],input:_.d={checkedValue:_.c,value:"a"}},"#childScope/1":_.e={"#input/0=":1,"#input/0:":_.c,input:_.f={checkedValue:_.c,value:"b"}},"#childScope/2":_.g={"#input/0=":1,"#input/0:":_.c,input:_.h={checkedValue:_.c,value:"c"}}},2:_.b,3:_.e,4:_.g},_.a._checkedValueChange=_.b["#input/0;"]=_.d.checkedValueChange=_.e["#input/0;"]=_.f.checkedValueChange=_.g["#input/0;"]=_.h.checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.i),2,"__tests__/tags/checkbox.marko_0_input",3,"__tests__/tags/checkbox.marko_0_input",4,"__tests__/tags/checkbox.marko_0_input",0];M._.w()
     </script>
   </body>
 </html>
@@ -102,7 +102,7 @@ container.querySelector("input").click();
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.i={1:_.a={"#childScope/0":_.b={"#input/0=":1,"#input/0:":_.c=["a","b"],input:_.d={checkedValue:_.c,value:"a"}},"#childScope/1":_.e={"#input/0=":1,"#input/0:":_.c,input:_.f={checkedValue:_.c,value:"b"}},"#childScope/2":_.g={"#input/0=":1,"#input/0:":_.c,input:_.h={checkedValue:_.c,value:"c"}}},2:_.b,3:_.e,4:_.g},_.b["#input/0;"]=_.d.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.e["#input/0;"]=_.f.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.g["#input/0;"]=_.h.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.i),2,"__tests__/tags/checkbox.marko_0_input",3,"__tests__/tags/checkbox.marko_0_input",4,"__tests__/tags/checkbox.marko_0_input",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.i={1:_.a={"#childScope/0":_.b={"#input/0=":1,"#input/0:":_.c=["a","b"],input:_.d={checkedValue:_.c,value:"a"}},"#childScope/1":_.e={"#input/0=":1,"#input/0:":_.c,input:_.f={checkedValue:_.c,value:"b"}},"#childScope/2":_.g={"#input/0=":1,"#input/0:":_.c,input:_.h={checkedValue:_.c,value:"c"}}},2:_.b,3:_.e,4:_.g},_.a._checkedValueChange=_.b["#input/0;"]=_.d.checkedValueChange=_.e["#input/0;"]=_.f.checkedValueChange=_.g["#input/0;"]=_.h.checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.i),2,"__tests__/tags/checkbox.marko_0_input",3,"__tests__/tags/checkbox.marko_0_input",4,"__tests__/tags/checkbox.marko_0_input",0];M._.w()
     </script>
   </body>
 </html>
@@ -142,7 +142,7 @@ container.querySelector("input").click();
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.i={1:_.a={"#childScope/0":_.b={"#input/0=":1,"#input/0:":_.c=["a","b"],input:_.d={checkedValue:_.c,value:"a"}},"#childScope/1":_.e={"#input/0=":1,"#input/0:":_.c,input:_.f={checkedValue:_.c,value:"b"}},"#childScope/2":_.g={"#input/0=":1,"#input/0:":_.c,input:_.h={checkedValue:_.c,value:"c"}}},2:_.b,3:_.e,4:_.g},_.b["#input/0;"]=_.d.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.e["#input/0;"]=_.f.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.g["#input/0;"]=_.h.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.i),2,"__tests__/tags/checkbox.marko_0_input",3,"__tests__/tags/checkbox.marko_0_input",4,"__tests__/tags/checkbox.marko_0_input",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.i={1:_.a={"#childScope/0":_.b={"#input/0=":1,"#input/0:":_.c=["a","b"],input:_.d={checkedValue:_.c,value:"a"}},"#childScope/1":_.e={"#input/0=":1,"#input/0:":_.c,input:_.f={checkedValue:_.c,value:"b"}},"#childScope/2":_.g={"#input/0=":1,"#input/0:":_.c,input:_.h={checkedValue:_.c,value:"c"}}},2:_.b,3:_.e,4:_.g},_.a._checkedValueChange=_.b["#input/0;"]=_.d.checkedValueChange=_.e["#input/0;"]=_.f.checkedValueChange=_.g["#input/0;"]=_.h.checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.i),2,"__tests__/tags/checkbox.marko_0_input",3,"__tests__/tags/checkbox.marko_0_input",4,"__tests__/tags/checkbox.marko_0_input",0];M._.w()
     </script>
   </body>
 </html>
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/ssr.expected.md b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/ssr.expected.md
index 62d06e23d..0cfcecc43 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/ssr.expected.md
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values-spread/__snapshots__/ssr.expected.md
@@ -1,6 +1,6 @@
 # Write
 ```html
-  <input value=a checked type=checkbox><!--M_*2 #input/0--><input value=b checked type=checkbox><!--M_*3 #input/0--><input value=c type=checkbox><!--M_*4 #input/0--><span>a,b<!--M_*1 #text/3--></span><script>WALKER_RUNTIME("M")("_");M._.r=[_=>(_.i={1:_.a={"#childScope/0":_.b={"#input/0=":1,"#input/0:":_.c=["a","b"],input:_.d={checkedValue:_.c,value:"a"}},"#childScope/1":_.e={"#input/0=":1,"#input/0:":_.c,input:_.f={checkedValue:_.c,value:"b"}},"#childScope/2":_.g={"#input/0=":1,"#input/0:":_.c,input:_.h={checkedValue:_.c,value:"c"}}},2:_.b,3:_.e,4:_.g},_.b["#input/0;"]=_.d.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.e["#input/0;"]=_.f.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.g["#input/0;"]=_.h.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.i),2,"__tests__/tags/checkbox.marko_0_input",3,"__tests__/tags/checkbox.marko_0_input",4,"__tests__/tags/checkbox.marko_0_input",0];M._.w()</script>
+  <input value=a checked type=checkbox><!--M_*2 #input/0--><input value=b checked type=checkbox><!--M_*3 #input/0--><input value=c type=checkbox><!--M_*4 #input/0--><span>a,b<!--M_*1 #text/3--></span><script>WALKER_RUNTIME("M")("_");M._.r=[_=>(_.i={1:_.a={"#childScope/0":_.b={"#input/0=":1,"#input/0:":_.c=["a","b"],input:_.d={checkedValue:_.c,value:"a"}},"#childScope/1":_.e={"#input/0=":1,"#input/0:":_.c,input:_.f={checkedValue:_.c,value:"b"}},"#childScope/2":_.g={"#input/0=":1,"#input/0:":_.c,input:_.h={checkedValue:_.c,value:"c"}}},2:_.b,3:_.e,4:_.g},_.a._checkedValueChange=_.b["#input/0;"]=_.d.checkedValueChange=_.e["#input/0;"]=_.f.checkedValueChange=_.g["#input/0;"]=_.h.checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.i),2,"__tests__/tags/checkbox.marko_0_input",3,"__tests__/tags/checkbox.marko_0_input",4,"__tests__/tags/checkbox.marko_0_input",0];M._.w()</script>
 ```
 
 # Render End
@@ -30,7 +30,7 @@
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.i={1:_.a={"#childScope/0":_.b={"#input/0=":1,"#input/0:":_.c=["a","b"],input:_.d={checkedValue:_.c,value:"a"}},"#childScope/1":_.e={"#input/0=":1,"#input/0:":_.c,input:_.f={checkedValue:_.c,value:"b"}},"#childScope/2":_.g={"#input/0=":1,"#input/0:":_.c,input:_.h={checkedValue:_.c,value:"c"}}},2:_.b,3:_.e,4:_.g},_.b["#input/0;"]=_.d.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.e["#input/0;"]=_.f.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.g["#input/0;"]=_.h.checkedValueChange=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.i),2,"__tests__/tags/checkbox.marko_0_input",3,"__tests__/tags/checkbox.marko_0_input",4,"__tests__/tags/checkbox.marko_0_input",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.i={1:_.a={"#childScope/0":_.b={"#input/0=":1,"#input/0:":_.c=["a","b"],input:_.d={checkedValue:_.c,value:"a"}},"#childScope/1":_.e={"#input/0=":1,"#input/0:":_.c,input:_.f={checkedValue:_.c,value:"b"}},"#childScope/2":_.g={"#input/0=":1,"#input/0:":_.c,input:_.h={checkedValue:_.c,value:"c"}}},2:_.b,3:_.e,4:_.g},_.a._checkedValueChange=_.b["#input/0;"]=_.d.checkedValueChange=_.e["#input/0;"]=_.f.checkedValueChange=_.g["#input/0;"]=_.h.checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.i),2,"__tests__/tags/checkbox.marko_0_input",3,"__tests__/tags/checkbox.marko_0_input",4,"__tests__/tags/checkbox.marko_0_input",0];M._.w()
     </script>
   </body>
 </html>
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/.name-cache.json b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/.name-cache.json
index 9432ff80b..d1d8fe281 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/.name-cache.json
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/.name-cache.json
@@ -6,7 +6,9 @@
       "$_checkedValueChange": "c",
       "$_checkedValueChange2": "a",
       "$_checkedValueChange3": "l",
-      "$_checkedValue": "o"
+      "$_checkedValue": "o",
+      "$_expr_checkedValue__checkedValueChange": "n",
+      "$_checkedValue2": "r"
     }
   }
 }
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/dom.expected/template.hydrate.js b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/dom.expected/template.hydrate.js
index 8e3a55ac4..6ef0b6159 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/dom.expected/template.hydrate.js
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/dom.expected/template.hydrate.js
@@ -1,49 +1,41 @@
-// size: 515 (min) 165 (brotli)
-const _checkedValue = _$.state(4, (_scope, checkedValue) => {
-  _$.controllable_input_checkedValue(
-    _scope,
-    0,
-    checkedValue,
-    _checkedValueChange3(_scope),
-    "a",
-  ),
+// size: 451 (min) 178 (brotli)
+const _expr_checkedValue__checkedValueChange = _$.intersection(2, (_scope) => {
+    const { 4: checkedValue, 5: _checkedValueChange } = _scope;
     _$.controllable_input_checkedValue(
       _scope,
-      1,
+      0,
       checkedValue,
-      _checkedValueChange2(_scope),
-      "b",
+      _checkedValueChange,
+      "a",
     ),
-    _$.controllable_input_checkedValue(
-      _scope,
-      2,
-      checkedValue,
-      _checkedValueChange(_scope),
-      "c",
-    ),
-    _$.data(_scope[3], checkedValue);
-});
-function _checkedValueChange(_scope) {
-  return (_new_checkedValue3) => {
-    _checkedValue(_scope, _new_checkedValue3);
-  };
-}
-function _checkedValueChange2(_scope) {
-  return (_new_checkedValue2) => {
-    _checkedValue(_scope, _new_checkedValue2);
-  };
-}
-function _checkedValueChange3(_scope) {
-  return (_new_checkedValue) => {
-    _checkedValue(_scope, _new_checkedValue);
-  };
-}
-_$.effect("a3", (_scope) => {
+      _$.controllable_input_checkedValue(
+        _scope,
+        1,
+        checkedValue,
+        _checkedValueChange,
+        "b",
+      ),
+      _$.controllable_input_checkedValue(
+        _scope,
+        2,
+        checkedValue,
+        _checkedValueChange,
+        "c",
+      );
+  }),
+  _checkedValue = _$.state(
+    4,
+    (_scope, checkedValue) => _$.data(_scope[3], checkedValue),
+    () => _expr_checkedValue__checkedValueChange,
+  );
+_$.effect("a1", (_scope) => {
   _$.controllable_input_checkedValue_effect(_scope, 0),
     _$.controllable_input_checkedValue_effect(_scope, 1),
     _$.controllable_input_checkedValue_effect(_scope, 2);
 }),
-  _$.register("a2", _checkedValueChange),
-  _$.register("a1", _checkedValueChange2),
-  _$.register("a0", _checkedValueChange3),
+  _$.register("a0", function (_scope) {
+    return (_new_checkedValue) => {
+      _checkedValue(_scope, _new_checkedValue);
+    };
+  }),
   init();
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/dom.expected/template.js b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/dom.expected/template.js
index 4e1a91996..d7271bd73 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/dom.expected/template.js
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/dom.expected/template.js
@@ -1,12 +1,17 @@
 export const _template_ = "<input type=checkbox><input type=checkbox><input type=checkbox><span> </span>";
 export const _walks_ = /* get, over(1), get, over(1), get, over(1), next(1), get, out(1) */" b b bD l";
 import * as _$ from "@marko/runtime-tags/debug/dom";
-const _checkedValue = /* @__PURE__ */_$.state("checkedValue", (_scope, checkedValue) => {
-  _$.controllable_input_checkedValue(_scope, "#input/0", checkedValue, _checkedValueChange3(_scope), "a");
-  _$.controllable_input_checkedValue(_scope, "#input/1", checkedValue, _checkedValueChange2(_scope), "b");
-  _$.controllable_input_checkedValue(_scope, "#input/2", checkedValue, _checkedValueChange(_scope), "c");
-  _$.data(_scope["#text/3"], checkedValue);
+const _expr_checkedValue__checkedValueChange = /* @__PURE__ */_$.intersection(2, _scope => {
+  const {
+    checkedValue,
+    _checkedValueChange
+  } = _scope;
+  _$.controllable_input_checkedValue(_scope, "#input/0", checkedValue, _checkedValueChange, "a");
+  _$.controllable_input_checkedValue(_scope, "#input/1", checkedValue, _checkedValueChange, "b");
+  _$.controllable_input_checkedValue(_scope, "#input/2", checkedValue, _checkedValueChange, "c");
 });
+const _checkedValueChange2 = /* @__PURE__ */_$.value("_checkedValueChange", 0, () => _expr_checkedValue__checkedValueChange);
+const _checkedValue = /* @__PURE__ */_$.state("checkedValue", (_scope, checkedValue) => _$.data(_scope["#text/3"], checkedValue), () => _expr_checkedValue__checkedValueChange);
 const _setup__effect = _$.effect("__tests__/template.marko_0", _scope => {
   _$.controllable_input_checkedValue_effect(_scope, "#input/0");
   _$.controllable_input_checkedValue_effect(_scope, "#input/1");
@@ -15,23 +20,12 @@ const _setup__effect = _$.effect("__tests__/template.marko_0", _scope => {
 export function _setup_(_scope) {
   _setup__effect(_scope);
   _checkedValue(_scope, ["a", "b"]);
-}
-function _checkedValueChange(_scope) {
-  return _new_checkedValue3 => {
-    _checkedValue(_scope, _new_checkedValue3);
-  };
-}
-function _checkedValueChange2(_scope) {
-  return _new_checkedValue2 => {
-    _checkedValue(_scope, _new_checkedValue2);
-  };
+  _checkedValueChange2(_scope, _checkedValueChange3(_scope));
 }
 function _checkedValueChange3(_scope) {
   return _new_checkedValue => {
     _checkedValue(_scope, _new_checkedValue);
   };
 }
-_$.register("__tests__/template.marko_0/checkedValueChange_1", _checkedValueChange);
-_$.register("__tests__/template.marko_0/checkedValueChange_0", _checkedValueChange2);
-_$.register("__tests__/template.marko_0/checkedValueChange", _checkedValueChange3);
+_$.register("__tests__/template.marko_0/_checkedValueChange", _checkedValueChange3);
 export default /* @__PURE__ */_$.createTemplate("__tests__/template.marko", _template_, _walks_, _setup_);
\ No newline at end of file
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/html.expected/template.js b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/html.expected/template.js
index dc041e550..b5b80d1ea 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/html.expected/template.js
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/html.expected/template.js
@@ -2,16 +2,14 @@ import * as _$ from "@marko/runtime-tags/debug/html";
 const _renderer = /* @__PURE__ */_$.createRenderer(input => {
   const _scope0_id = _$.nextScopeId();
   const checkedValue = ["a", "b"];
-  _$.write(`<input${_$.controllable_input_checkedValue(_scope0_id, "#input/0", checkedValue, _$.register(_new_checkedValue => {
+  const _checkedValueChange = _$.register(_new_checkedValue => {
     checkedValue = _new_checkedValue;
-  }, "__tests__/template.marko_0/checkedValueChange", _scope0_id), "a")} type=checkbox>${_$.markResumeNode(_scope0_id, "#input/0")}<input${_$.controllable_input_checkedValue(_scope0_id, "#input/1", checkedValue, _$.register(_new_checkedValue2 => {
-    checkedValue = _new_checkedValue2;
-  }, "__tests__/template.marko_0/checkedValueChange_0", _scope0_id), "b")} type=checkbox>${_$.markResumeNode(_scope0_id, "#input/1")}<input${_$.controllable_input_checkedValue(_scope0_id, "#input/2", checkedValue, _$.register(_new_checkedValue3 => {
-    checkedValue = _new_checkedValue3;
-  }, "__tests__/template.marko_0/checkedValueChange_1", _scope0_id), "c")} type=checkbox>${_$.markResumeNode(_scope0_id, "#input/2")}<span>${_$.escapeXML(checkedValue)}${_$.markResumeNode(_scope0_id, "#text/3")}</span>`);
+  }, "__tests__/template.marko_0/_checkedValueChange", _scope0_id);
+  _$.write(`<input${_$.controllable_input_checkedValue(_scope0_id, "#input/0", checkedValue, _checkedValueChange, "a")} type=checkbox>${_$.markResumeNode(_scope0_id, "#input/0")}<input${_$.controllable_input_checkedValue(_scope0_id, "#input/1", checkedValue, _checkedValueChange, "b")} type=checkbox>${_$.markResumeNode(_scope0_id, "#input/1")}<input${_$.controllable_input_checkedValue(_scope0_id, "#input/2", checkedValue, _checkedValueChange, "c")} type=checkbox>${_$.markResumeNode(_scope0_id, "#input/2")}<span>${_$.escapeXML(checkedValue)}${_$.markResumeNode(_scope0_id, "#text/3")}</span>`);
   _$.writeEffect(_scope0_id, "__tests__/template.marko_0");
   _$.debug(_$.writeScope(_scope0_id, {
-    "checkedValue": checkedValue
+    "checkedValue": checkedValue,
+    "_checkedValueChange": _checkedValueChange
   }), "__tests__/template.marko", 0, {
     "checkedValue": "1:6"
   });
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/resume.expected.md b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/resume.expected.md
index 38addc0c2..f7f5831f7 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/resume.expected.md
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/resume.expected.md
@@ -25,7 +25,7 @@
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.c={1:_.a={"#input/0=":1,"#input/0:":_.b=["a","b"],"#input/1=":1,"#input/1:":_.b,"#input/2=":1,"#input/2:":_.b,checkedValue:_.b}},_.a["#input/0;"]=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.a["#input/1;"]=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.a["#input/2;"]=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.c),1,"__tests__/template.marko_0",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.c={1:_.a={"#input/0=":1,"#input/0:":_.b=["a","b"],"#input/1=":1,"#input/1:":_.b,"#input/2=":1,"#input/2:":_.b,checkedValue:_.b}},_.a["#input/0;"]=_.a["#input/1;"]=_.a["#input/2;"]=_.a._checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.c),1,"__tests__/template.marko_0",0];M._.w()
     </script>
   </body>
 </html>
@@ -61,7 +61,7 @@ container.querySelectorAll(`input`)[1].click();
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.c={1:_.a={"#input/0=":1,"#input/0:":_.b=["a","b"],"#input/1=":1,"#input/1:":_.b,"#input/2=":1,"#input/2:":_.b,checkedValue:_.b}},_.a["#input/0;"]=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.a["#input/1;"]=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.a["#input/2;"]=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.c),1,"__tests__/template.marko_0",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.c={1:_.a={"#input/0=":1,"#input/0:":_.b=["a","b"],"#input/1=":1,"#input/1:":_.b,"#input/2=":1,"#input/2:":_.b,checkedValue:_.b}},_.a["#input/0;"]=_.a["#input/1;"]=_.a["#input/2;"]=_.a._checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.c),1,"__tests__/template.marko_0",0];M._.w()
     </script>
   </body>
 </html>
@@ -102,7 +102,7 @@ container.querySelectorAll(`input`)[2].click();
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.c={1:_.a={"#input/0=":1,"#input/0:":_.b=["a","b"],"#input/1=":1,"#input/1:":_.b,"#input/2=":1,"#input/2:":_.b,checkedValue:_.b}},_.a["#input/0;"]=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.a["#input/1;"]=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.a["#input/2;"]=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.c),1,"__tests__/template.marko_0",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.c={1:_.a={"#input/0=":1,"#input/0:":_.b=["a","b"],"#input/1=":1,"#input/1:":_.b,"#input/2=":1,"#input/2:":_.b,checkedValue:_.b}},_.a["#input/0;"]=_.a["#input/1;"]=_.a["#input/2;"]=_.a._checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.c),1,"__tests__/template.marko_0",0];M._.w()
     </script>
   </body>
 </html>
@@ -142,7 +142,7 @@ container.querySelectorAll(`input`)[0].click();
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.c={1:_.a={"#input/0=":1,"#input/0:":_.b=["a","b"],"#input/1=":1,"#input/1:":_.b,"#input/2=":1,"#input/2:":_.b,checkedValue:_.b}},_.a["#input/0;"]=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.a["#input/1;"]=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.a["#input/2;"]=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.c),1,"__tests__/template.marko_0",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.c={1:_.a={"#input/0=":1,"#input/0:":_.b=["a","b"],"#input/1=":1,"#input/1:":_.b,"#input/2=":1,"#input/2:":_.b,checkedValue:_.b}},_.a["#input/0;"]=_.a["#input/1;"]=_.a["#input/2;"]=_.a._checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.c),1,"__tests__/template.marko_0",0];M._.w()
     </script>
   </body>
 </html>
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/ssr.expected.md b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/ssr.expected.md
index c01e2eb7f..619d30c17 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/ssr.expected.md
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked-values/__snapshots__/ssr.expected.md
@@ -1,6 +1,6 @@
 # Write
 ```html
-  <input value=a checked type=checkbox><!--M_*1 #input/0--><input value=b checked type=checkbox><!--M_*1 #input/1--><input value=c type=checkbox><!--M_*1 #input/2--><span>a,b<!--M_*1 #text/3--></span><script>WALKER_RUNTIME("M")("_");M._.r=[_=>(_.c={1:_.a={"#input/0=":1,"#input/0:":_.b=["a","b"],"#input/1=":1,"#input/1:":_.b,"#input/2=":1,"#input/2:":_.b,checkedValue:_.b}},_.a["#input/0;"]=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.a["#input/1;"]=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.a["#input/2;"]=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.c),1,"__tests__/template.marko_0",0];M._.w()</script>
+  <input value=a checked type=checkbox><!--M_*1 #input/0--><input value=b checked type=checkbox><!--M_*1 #input/1--><input value=c type=checkbox><!--M_*1 #input/2--><span>a,b<!--M_*1 #text/3--></span><script>WALKER_RUNTIME("M")("_");M._.r=[_=>(_.c={1:_.a={"#input/0=":1,"#input/0:":_.b=["a","b"],"#input/1=":1,"#input/1:":_.b,"#input/2=":1,"#input/2:":_.b,checkedValue:_.b}},_.a["#input/0;"]=_.a["#input/1;"]=_.a["#input/2;"]=_.a._checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.c),1,"__tests__/template.marko_0",0];M._.w()</script>
 ```
 
 # Render End
@@ -30,7 +30,7 @@
       <!--M_*1 #text/3-->
     </span>
     <script>
-      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.c={1:_.a={"#input/0=":1,"#input/0:":_.b=["a","b"],"#input/1=":1,"#input/1:":_.b,"#input/2=":1,"#input/2:":_.b,checkedValue:_.b}},_.a["#input/0;"]=_._["__tests__/template.marko_0/checkedValueChange"](_.a),_.a["#input/1;"]=_._["__tests__/template.marko_0/checkedValueChange_0"](_.a),_.a["#input/2;"]=_._["__tests__/template.marko_0/checkedValueChange_1"](_.a),_.c),1,"__tests__/template.marko_0",0];M._.w()
+      WALKER_RUNTIME("M")("_");M._.r=[_=&gt;(_.c={1:_.a={"#input/0=":1,"#input/0:":_.b=["a","b"],"#input/1=":1,"#input/1:":_.b,"#input/2=":1,"#input/2:":_.b,checkedValue:_.b}},_.a["#input/0;"]=_.a["#input/1;"]=_.a["#input/2;"]=_.a._checkedValueChange=_._["__tests__/template.marko_0/_checkedValueChange"](_.a),_.c),1,"__tests__/template.marko_0",0];M._.w()
     </script>
   </body>
 </html>
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked/__snapshots__/.name-cache.json b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked/__snapshots__/.name-cache.json
index 7cb63aed7..ade3bedae 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-checked/__snapshots__/.name-cache.json
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-checked/__snapshots__/.name-cache.json
@@ -4,7 +4,9 @@
       "$_$": "t",
       "$init": "e",
       "$_checkedChange": "o",
-      "$_checked": "r"
+      "$_checked": "r",
+      "$_expr_checked__checkedChange": "n",
+      "$_checked2": "a"
     }
   }
 }
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-input-value/__snapshots__/.name-cache.json b/packages/runtime-tags/src/__tests__/fixtures/controllable-input-value/__snapshots__/.name-cache.json
index 85d528207..f7b5bc3f1 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-input-value/__snapshots__/.name-cache.json
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-input-value/__snapshots__/.name-cache.json
@@ -4,7 +4,9 @@
       "$_$": "t",
       "$init": "a",
       "$_valueChange": "o",
-      "$_value": "e"
+      "$_value": "e",
+      "$_expr_value__valueChange": "r",
+      "$_value2": "n"
     }
   }
 }
diff --git a/packages/runtime-tags/src/__tests__/fixtures/controllable-textarea-value/__snapshots__/.name-cache.json b/packages/runtime-tags/src/__tests__/fixtures/controllable-textarea-value/__snapshots__/.name-cache.json
index 370fe935c..b482ec58f 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/controllable-textarea-value/__snapshots__/.name-cache.json
+++ b/packages/runtime-tags/src/__tests__/fixtures/controllable-textarea-value/__snapshots__/.name-cache.json
@@ -4,7 +4,9 @@
       "$_$": "t",
       "$init": "a",
       "$_valueChange": "e",
-      "$_value": "o"
+      "$_value": "o",
+      "$_expr_value__valueChange": "r",
+      "$_value2": "n"
     }
   }
 }
diff --git a/packages/runtime-tags/src/__tests__/fixtures/cross-tag-closure/__snapshots__/.name-cache.json b/packages/runtime-tags/src/__tests__/fixtures/cross-tag-closure/__snapshots__/.name-cache.json
index e3caefb48..24e6fbdb8 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/cross-tag-closure/__snapshots__/.name-cache.json
+++ b/packages/runtime-tags/src/__tests__/fixtures/cross-tag-closure/__snapshots__/.name-cache.json
@@ -6,7 +6,8 @@
       "$_value": "a",
       "$_count$myTag_content_effect": "e",
       "$_count$myTag_content": "n",
-      "$_setup$myTag_content": "i"
+      "$_setup$myTag_content": "i",
+      "$_value2": "o"
     }
   }
 }
diff --git a/packages/runtime-tags/src/__tests__/fixtures/custom-tag-var-assignment/__snapshots__/.name-cache.json b/packages/runtime-tags/src/__tests__/fixtures/custom-tag-var-assignment/__snapshots__/.name-cache.json
index eaadce092..37cc8e202 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/custom-tag-var-assignment/__snapshots__/.name-cache.json
+++ b/packages/runtime-tags/src/__tests__/fixtures/custom-tag-var-assignment/__snapshots__/.name-cache.json
@@ -5,7 +5,9 @@
       "$init": "a",
       "$_x_effect": "n",
       "$_x": "r",
-      "$_count_effect": "i"
+      "$_count_effect": "i",
+      "$_x2_effect": "o",
+      "$_x2": "e"
     }
   }
 }
diff --git a/packages/runtime-tags/src/__tests__/fixtures/dynamic-tag-var-assignment/__snapshots__/.name-cache.json b/packages/runtime-tags/src/__tests__/fixtures/dynamic-tag-var-assignment/__snapshots__/.name-cache.json
index 1b81cfb65..bff0cea97 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/dynamic-tag-var-assignment/__snapshots__/.name-cache.json
+++ b/packages/runtime-tags/src/__tests__/fixtures/dynamic-tag-var-assignment/__snapshots__/.name-cache.json
@@ -7,7 +7,11 @@
       "$_x_effect": "r",
       "$_x": "e",
       "$_setup_": "i",
-      "$Counter": "o"
+      "$Counter": "o",
+      "$_xChange2": "c",
+      "$_x2_effect": "g",
+      "$_x2": "u",
+      "$_xChange3": "f"
     }
   }
 }
diff --git a/packages/runtime-tags/src/__tests__/fixtures/error-let-invalid-binding/__snapshots__/dom.expected/template.error.txt b/packages/runtime-tags/src/__tests__/fixtures/error-let-invalid-binding/__snapshots__/dom.expected/template.error.txt
index 5f63e43d3..16ac3f580 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/error-let-invalid-binding/__snapshots__/dom.expected/template.error.txt
+++ b/packages/runtime-tags/src/__tests__/fixtures/error-let-invalid-binding/__snapshots__/dom.expected/template.error.txt
@@ -1,5 +1,5 @@
 
-    at packages/runtime-tags/src/__tests__/fixtures/error-let-invalid-binding/template.marko:1:11
+    at packages/runtime-tags/src/__tests__/fixtures/error-let-invalid-binding/template.marko:1:13
     > 1 | <let/count:=1/>
-        |           ^^^ Attributes may only be bound to identifiers or member expressions
+        |             ^ Attributes may only be bound to identifiers or member expressions
       2 |
\ No newline at end of file
diff --git a/packages/runtime-tags/src/__tests__/fixtures/error-let-invalid-binding/__snapshots__/html.expected/template.error.txt b/packages/runtime-tags/src/__tests__/fixtures/error-let-invalid-binding/__snapshots__/html.expected/template.error.txt
index 5f63e43d3..16ac3f580 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/error-let-invalid-binding/__snapshots__/html.expected/template.error.txt
+++ b/packages/runtime-tags/src/__tests__/fixtures/error-let-invalid-binding/__snapshots__/html.expected/template.error.txt
@@ -1,5 +1,5 @@
 
-    at packages/runtime-tags/src/__tests__/fixtures/error-let-invalid-binding/template.marko:1:11
+    at packages/runtime-tags/src/__tests__/fixtures/error-let-invalid-binding/template.marko:1:13
     > 1 | <let/count:=1/>
-        |           ^^^ Attributes may only be bound to identifiers or member expressions
+        |             ^ Attributes may only be bound to identifiers or member expressions
       2 |
\ No newline at end of file
diff --git a/packages/runtime-tags/src/__tests__/fixtures/let-tag-controllable-child/__snapshots__/.name-cache.json b/packages/runtime-tags/src/__tests__/fixtures/let-tag-controllable-child/__snapshots__/.name-cache.json
index 9370d2ef7..7b194d6b5 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/let-tag-controllable-child/__snapshots__/.name-cache.json
+++ b/packages/runtime-tags/src/__tests__/fixtures/let-tag-controllable-child/__snapshots__/.name-cache.json
@@ -18,7 +18,9 @@
       "$_source": "d",
       "$_expr_input_value_input_valueChange": "g",
       "$_otherState_effect": "h",
-      "$_state_effect": "k"
+      "$_state_effect": "k",
+      "$_expr_source__sourceChange": "C",
+      "$_source2": "p"
     }
   }
 }
diff --git a/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/.name-cache.json b/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/.name-cache.json
index fe850c344..7692e9628 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/.name-cache.json
+++ b/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/.name-cache.json
@@ -14,7 +14,8 @@
       "$_count2$1": "f",
       "$_input_count2_": "u",
       "$_expr_input_count2Change_input_count": "d",
-      "$_expr_input_count1Change_input_count": "l"
+      "$_expr_input_count1Change_input_count": "l",
+      "$_count3": "g"
     }
   }
 }
diff --git a/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/dom.expected/template.hydrate.js b/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/dom.expected/template.hydrate.js
index a611ec7c8..fcb2b0d3c 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/dom.expected/template.hydrate.js
+++ b/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/dom.expected/template.hydrate.js
@@ -40,8 +40,8 @@ const _expr_input_count2_input_count2Change = _$.intersection(2, (_scope) => {
     () => _$.inChild(0, _input_count1_),
   );
 _$.register("b0", function (_scope) {
-  return (_new_count) => {
-    _count(_scope, _new_count);
+  return (_new_count1) => {
+    _count(_scope, _new_count1);
   };
 }),
   _$.register("b1", function (_scope) {
diff --git a/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/dom.expected/template.js b/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/dom.expected/template.js
index 9041555ca..43ecc8d9f 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/dom.expected/template.js
+++ b/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/dom.expected/template.js
@@ -18,8 +18,8 @@ export function _setup_(_scope) {
   _counters_input_count2Change(_scope["#childScope/0"], _count2Change(_scope));
 }
 function _count1Change(_scope) {
-  return _new_count => {
-    _count(_scope, _new_count);
+  return _new_count1 => {
+    _count(_scope, _new_count1);
   };
 }
 function _count2Change(_scope) {
diff --git a/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/html.expected/template.js b/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/html.expected/template.js
index d2f229d5a..974ced00c 100644
--- a/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/html.expected/template.js
+++ b/packages/runtime-tags/src/__tests__/fixtures/multiple-bound-values/__snapshots__/html.expected/template.js
@@ -7,8 +7,8 @@ const _renderer = /* @__PURE__ */_$.createRenderer(input => {
   const _childScope = _$.peekNextScope();
   _counters({
     count1: count1,
-    count1Change: _$.register(_new_count => {
-      count1 = _new_count;
+    count1Change: _$.register(_new_count1 => {
+      count1 = _new_count1;
     }, "__tests__/template.marko_0/count1Change", _scope0_id),
     count2: count2,
     count2Change: _$.register(_new_count2 => {
diff --git a/packages/runtime-tags/src/translator/visitors/tag/index.ts b/packages/runtime-tags/src/translator/visitors/tag/index.ts
index 51a89d78e..8c7e72784 100644
--- a/packages/runtime-tags/src/translator/visitors/tag/index.ts
+++ b/packages/runtime-tags/src/translator/visitors/tag/index.ts
@@ -5,6 +5,7 @@ import {
   type Plugin,
 } from "@marko/compiler/babel-utils";
 
+import { getMarkoRoot, isMarko } from "../../util/get-root";
 import { isOutputHTML } from "../../util/marko-config";
 import * as hooks from "../../util/plugin-hooks";
 import analyzeTagNameType, { TagNameType } from "../../util/tag-name-type";
@@ -16,6 +17,10 @@ import DynamicTag from "./dynamic-tag";
 import NativeTag from "./native-tag";
 
 const TAG_NAME_IDENTIFIER_REG = /^[A-Z][a-zA-Z0-9_$]*$/;
+const BINDING_CHANGE_HANDLER = new WeakMap<
+  t.Identifier,
+  t.MarkoAttribute | t.Identifier
+>();
 
 export default {
   transform: {
@@ -39,19 +44,7 @@ export default {
         const attr = attributes[i];
         if (t.isMarkoAttribute(attr) && attr.bound) {
           attr.bound = false;
-          const changeValue = getChangeHandler(tag, attr);
-          if (changeValue === null) {
-            throw tag.hub.buildError(
-              attr,
-              "Attributes may only be bound to identifiers or member expressions",
-            );
-          }
-
-          attributes.splice(
-            ++i,
-            0,
-            t.markoAttribute(attr.name + "Change", changeValue),
-          );
+          attributes.splice(++i, 0, getChangeHandler(tag, attr));
 
           crawl = true;
         }
@@ -208,33 +201,109 @@ export default {
 
 function getChangeHandler(
   tag: t.NodePath<t.MarkoTag>,
-  attr: t.MarkoAttribute | t.MarkoSpreadAttribute,
-) {
+  attr: t.MarkoAttribute,
+): t.MarkoAttribute {
+  const attrName = attr.name;
+  const changeAttrName = attrName + "Change";
+
   if (t.isIdentifier(attr.value)) {
-    const valueId = tag.scope.generateUidIdentifier("new_" + attr.value.name);
-    return t.arrowFunctionExpression(
-      [valueId],
-      t.blockStatement([
-        t.expressionStatement(
-          t.assignmentExpression("=", t.cloneNode(attr.value), valueId),
+    const binding = tag.scope.getBinding(attr.value.name);
+    if (!binding)
+      return t.markoAttribute(
+        changeAttrName,
+        buildChangeHandlerFunction(attr.value),
+      );
+
+    const existingChangedAttr = BINDING_CHANGE_HANDLER.get(binding.identifier);
+
+    if (!existingChangedAttr) {
+      const changeHandlerAttr = t.markoAttribute(
+        changeAttrName,
+        buildChangeHandlerFunction(attr.value),
+      );
+      BINDING_CHANGE_HANDLER.set(binding.identifier, changeHandlerAttr);
+      return changeHandlerAttr;
+    }
+
+    if (existingChangedAttr.type === "Identifier") {
+      return t.markoAttribute(
+        changeAttrName,
+        withPreviousLocation(
+          t.identifier(existingChangedAttr.name),
+          attr.value,
         ),
-      ]),
+      );
+    }
+
+    const markoRoot = isMarko(binding.path)
+      ? binding.path
+      : getMarkoRoot(binding.path);
+
+    if (!(markoRoot?.isMarkoTag() || markoRoot?.isMarkoTagBody())) {
+      throw tag.hub.buildError(attr.value, "Unable to bind to value.");
+    }
+
+    const changeHandlerId = markoRoot.scope.generateUid(changeAttrName);
+    const changeHandlerConst = t.markoTag(
+      t.stringLiteral("const"),
+      [t.markoAttribute("value", existingChangedAttr.value, null, null, true)],
+      t.markoTagBody([]),
+      null,
+      t.identifier(changeHandlerId),
+    );
+    BINDING_CHANGE_HANDLER.set(
+      binding.identifier,
+      (existingChangedAttr.value = t.identifier(changeHandlerId)),
+    );
+
+    if (markoRoot.isMarkoTag()) {
+      markoRoot.insertAfter(changeHandlerConst);
+    } else {
+      markoRoot.unshiftContainer("body", changeHandlerConst);
+    }
+
+    return t.markoAttribute(
+      changeAttrName,
+      withPreviousLocation(t.identifier(changeHandlerId), attr.value),
     );
   } else if (t.isMemberExpression(attr.value)) {
     const prop = attr.value.property;
-    if (t.isPrivateName(prop)) return null;
-    if (t.isIdentifier(prop)) {
-      return t.memberExpression(
-        t.cloneNode(attr.value.object),
-        t.identifier(prop.name + "Change"),
-      );
-    } else {
-      return t.memberExpression(
-        t.cloneNode(attr.value.object),
-        t.binaryExpression("+", t.cloneNode(prop), t.stringLiteral("Change")),
-        true,
+    if (!t.isPrivateName(attr.value.property)) {
+      return t.markoAttribute(
+        changeAttrName,
+        t.memberExpression(
+          t.cloneNode(attr.value.object),
+          prop.type === "Identifier"
+            ? withPreviousLocation(t.identifier(prop.name + "Change"), prop)
+            : t.binaryExpression(
+                "+",
+                t.cloneNode(prop),
+                t.stringLiteral("Change"),
+              ),
+          prop.type !== "Identifier",
+        ),
       );
     }
   }
-  return null;
+
+  throw tag.hub.buildError(
+    attr.value,
+    "Attributes may only be bound to identifiers or member expressions",
+  );
+}
+
+function buildChangeHandlerFunction(id: t.Identifier) {
+  const newId = "_new_" + id.name;
+  return t.arrowFunctionExpression(
+    [withPreviousLocation(t.identifier(newId), id)],
+    t.blockStatement([
+      t.expressionStatement(
+        t.assignmentExpression(
+          "=",
+          withPreviousLocation(t.identifier(id.name), id),
+          withPreviousLocation(t.identifier(newId), id),
+        ),
+      ),
+    ]),
+  );
 }