diff --git a/packages/dashboard/app/components/command-center/areas/__tests__/areas.test.tsx b/packages/dashboard/app/components/command-center/areas/__tests__/areas.test.tsx
index 019f0b4b19..90f22472b2 100644
--- a/packages/dashboard/app/components/command-center/areas/__tests__/areas.test.tsx
+++ b/packages/dashboard/app/components/command-center/areas/__tests__/areas.test.tsx
@@ -86,6 +86,8 @@ describe("Command Center cost formatting", () => {
     expect(formatCost(12.5, false)).toBe("$12.50");
     expect(formatCost(0, false)).toBe("$0.00");
     expect(formatCost(0, true)).toBe("—");
+    expect(formatCost(0.004, true)).toBe("—");
+    expect(formatCost(0.01, true)).toBe("$0.01+");
     expect(formatCost(null, true)).toBe("—");
   });
 });
diff --git a/packages/dashboard/app/components/command-center/areas/areaShared.ts b/packages/dashboard/app/components/command-center/areas/areaShared.ts
index 44b721029a..6a16da8049 100644
--- a/packages/dashboard/app/components/command-center/areas/areaShared.ts
+++ b/packages/dashboard/app/components/command-center/areas/areaShared.ts
@@ -53,9 +53,12 @@ export function formatDurationMs(ms: number | null): string {
  *
  * FNXC:CommandCenterCost 2026-07-10-23:35:
  * A zero subtotal is exact only when every contribution is priced. Mixed pricing with a zero known subtotal must remain `—`, because `$0.00+` suggests a meaningful lower bound while all positive cost may belong to unpriced usage.
+ *
+ * FNXC:CommandCenterCost 2026-07-10-23:39:
+ * Apply the mixed-zero rule at displayed cent precision so a positive sub-cent subtotal cannot leak through as `$0.00+`. A partial subtotal becomes meaningful only when it rounds to at least one visible cent.
  */
 export function formatCost(usd: number | null, unavailable: boolean): string {
-  if (usd === null || !Number.isFinite(usd) || (unavailable && usd === 0)) {
+  if (usd === null || !Number.isFinite(usd) || (unavailable && Math.round(usd * 100) === 0)) {
     return "—";
   }
   const formatted = `$${usd.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 })}`;