diff --git a/vm/src/obj/objfloat.rs b/vm/src/obj/objfloat.rs
index d75c361fd..e6b6bdca7 100644
--- a/vm/src/obj/objfloat.rs
+++ b/vm/src/obj/objfloat.rs
@@ -12,9 +12,8 @@ use crate::format::FormatSpec;
 use crate::function::{OptionalArg, OptionalOption};
 use crate::pyhash;
 use crate::pyobject::{
-    IntoPyObject,
-    PyArithmaticValue::{self, *},
-    PyClassImpl, PyContext, PyObjectRef, PyRef, PyResult, PyValue, TryFromObject, TypeProtocol,
+    IntoPyObject, PyArithmaticValue::*, PyClassImpl, PyComparisonValue, PyContext, PyObjectRef,
+    PyRef, PyResult, PyValue, TryFromObject, TypeProtocol,
 };
 use crate::vm::VirtualMachine;
 
@@ -197,15 +196,15 @@ impl PyFloat {
         float_op: F,
         int_op: G,
         vm: &VirtualMachine,
-    ) -> PyArithmaticValue<bool>
+    ) -> PyComparisonValue
     where
         F: Fn(f64, f64) -> bool,
         G: Fn(f64, &BigInt) -> bool,
     {
         if let Some(other) = other.payload_if_subclass::<PyFloat>(vm) {
-            ArithmaticValue(float_op(self.value, other.value))
+            Implemented(float_op(self.value, other.value))
         } else if let Some(other) = other.payload_if_subclass::<PyInt>(vm) {
-            ArithmaticValue(int_op(self.value, other.as_bigint()))
+            Implemented(int_op(self.value, other.as_bigint()))
         } else {
             NotImplemented
         }
@@ -222,22 +221,22 @@ impl PyFloat {
     }
 
     #[pymethod(name = "__eq__")]
-    fn eq(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyArithmaticValue<bool> {
-        self.cmp(other, |a, b| a == b, |a, b| int_eq(a, b), vm)
+    fn eq(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyComparisonValue {
+        self.cmp(other, |a, b| a == b, int_eq, vm)
     }
 
     #[pymethod(name = "__ne__")]
-    fn ne(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyArithmaticValue<bool> {
+    fn ne(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyComparisonValue {
         self.eq(other, vm).map(|v| !v)
     }
 
     #[pymethod(name = "__lt__")]
-    fn lt(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyArithmaticValue<bool> {
-        self.cmp(other, |a, b| a < b, |a, b| inner_lt_int(a, b), vm)
+    fn lt(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyComparisonValue {
+        self.cmp(other, |a, b| a < b, inner_lt_int, vm)
     }
 
     #[pymethod(name = "__le__")]
-    fn le(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyArithmaticValue<bool> {
+    fn le(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyComparisonValue {
         self.cmp(
             other,
             |a, b| a <= b,
@@ -253,12 +252,12 @@ impl PyFloat {
     }
 
     #[pymethod(name = "__gt__")]
-    fn gt(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyArithmaticValue<bool> {
-        self.cmp(other, |a, b| a > b, |a, b| inner_gt_int(a, b), vm)
+    fn gt(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyComparisonValue {
+        self.cmp(other, |a, b| a > b, inner_gt_int, vm)
     }
 
     #[pymethod(name = "__ge__")]
-    fn ge(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyArithmaticValue<bool> {
+    fn ge(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyComparisonValue {
         self.cmp(
             other,
             |a, b| a >= b,
diff --git a/vm/src/obj/objint.rs b/vm/src/obj/objint.rs
index a212fc0f3..112bc6975 100644
--- a/vm/src/obj/objint.rs
+++ b/vm/src/obj/objint.rs
@@ -16,9 +16,8 @@ use crate::format::FormatSpec;
 use crate::function::{OptionalArg, PyFuncArgs};
 use crate::pyhash;
 use crate::pyobject::{
-    IdProtocol, IntoPyObject,
-    PyArithmaticValue::{self, *},
-    PyClassImpl, PyContext, PyObjectRef, PyRef, PyResult, PyValue, TryFromObject, TypeProtocol,
+    IdProtocol, IntoPyObject, PyArithmaticValue, PyClassImpl, PyComparisonValue, PyContext,
+    PyObjectRef, PyRef, PyResult, PyValue, TryFromObject, TypeProtocol,
 };
 use crate::vm::VirtualMachine;
 
@@ -220,44 +219,43 @@ impl PyInt {
     }
 
     #[inline]
-    fn cmp<F>(&self, other: PyObjectRef, op: F, vm: &VirtualMachine) -> PyArithmaticValue<bool>
+    fn cmp<F>(&self, other: PyObjectRef, op: F, vm: &VirtualMachine) -> PyComparisonValue
     where
         F: Fn(&BigInt, &BigInt) -> bool,
     {
-        if let Some(other) = other.payload_if_subclass::<PyInt>(vm) {
-            ArithmaticValue(op(&self.value, &other.value))
-        } else {
-            NotImplemented
-        }
+        let r = other
+            .payload_if_subclass::<PyInt>(vm)
+            .map(|other| op(&self.value, &other.value));
+        PyComparisonValue::from_option(r)
     }
 
     #[pymethod(name = "__eq__")]
-    fn eq(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyArithmaticValue<bool> {
+    fn eq(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyComparisonValue {
         self.cmp(other, |a, b| a == b, vm)
     }
 
     #[pymethod(name = "__ne__")]
-    fn ne(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyArithmaticValue<bool> {
+    fn ne(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyComparisonValue {
         self.cmp(other, |a, b| a != b, vm)
     }
 
     #[pymethod(name = "__lt__")]
-    fn lt(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyArithmaticValue<bool> {
+    fn lt(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyComparisonValue {
         self.cmp(other, |a, b| a < b, vm)
     }
 
     #[pymethod(name = "__le__")]
-    fn le(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyArithmaticValue<bool> {
+    fn le(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyComparisonValue {
         self.cmp(other, |a, b| a <= b, vm)
     }
 
     #[pymethod(name = "__gt__")]
-    fn gt(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyArithmaticValue<bool> {
+    fn gt(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyComparisonValue {
         self.cmp(other, |a, b| a > b, vm)
     }
 
     #[pymethod(name = "__ge__")]
-    fn ge(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyArithmaticValue<bool> {
+    fn ge(&self, other: PyObjectRef, vm: &VirtualMachine) -> PyComparisonValue {
         self.cmp(other, |a, b| a >= b, vm)
     }
 
@@ -266,11 +264,10 @@ impl PyInt {
     where
         F: Fn(&BigInt, &BigInt) -> BigInt,
     {
-        if let Some(other) = other.payload_if_subclass::<PyInt>(vm) {
-            ArithmaticValue(op(&self.value, &other.value))
-        } else {
-            NotImplemented
-        }
+        let r = other
+            .payload_if_subclass::<PyInt>(vm)
+            .map(|other| op(&self.value, &other.value));
+        PyArithmaticValue::from_option(r)
     }
 
     #[inline]
diff --git a/vm/src/pyobject.rs b/vm/src/pyobject.rs
index 90235b8d8..009e20438 100644
--- a/vm/src/pyobject.rs
+++ b/vm/src/pyobject.rs
@@ -1218,7 +1218,7 @@ impl TryFromObject for std::time::Duration {
     }
 }
 
-result_like::option_like!(pub PyArithmaticValue, ArithmaticValue, NotImplemented);
+result_like::option_like!(pub PyArithmaticValue, Implemented, NotImplemented);
 
 impl<T> IntoPyObject for PyArithmaticValue<T>
 where
@@ -1226,12 +1226,14 @@ where
 {
     fn into_pyobject(self, vm: &VirtualMachine) -> PyResult {
         match self {
-            PyArithmaticValue::ArithmaticValue(v) => v.into_pyobject(vm),
+            PyArithmaticValue::Implemented(v) => v.into_pyobject(vm),
             PyArithmaticValue::NotImplemented => Ok(vm.ctx.not_implemented()),
         }
     }
 }
 
+pub type PyComparisonValue = PyArithmaticValue<bool>;
+
 #[cfg(test)]
 mod tests {
     use super::*;