diff --git a/frontend/src/hooks/useTradeNotificationSignalSnapshot.ts b/frontend/src/hooks/useTradeNotificationSignalSnapshot.ts
index d77e2d3..2b06974 100644
--- a/frontend/src/hooks/useTradeNotificationSignalSnapshot.ts
+++ b/frontend/src/hooks/useTradeNotificationSignalSnapshot.ts
@@ -9,6 +9,7 @@ import {
   resolveNotificationStrategy,
   normalizeStrategyId,
 } from '../utils/resolveNotificationStrategy';
+import { isStrategyMissingOnServer } from '../utils/strategyMissingCache';
 import { hydrateStrategyDto, normalizeMarketCode } from '../utils/strategyHydrate';
 import {
   fetchLiveSnapshot,
@@ -61,6 +62,12 @@ export function useTradeNotificationSignalSnapshot(
       emptyRetryRef.current = 0;
       return;
     }
+    // 서버에 없는 것으로 확인된 전략은 재요청하지 않음
+    if (isStrategyMissingOnServer(rawId)) {
+      setSnapshot(undefined);
+      setLoading(false);
+      return;
+    }
     if (refreshInFlightRef.current) return;
 
     const gen = ++genRef.current;
diff --git a/frontend/src/utils/resolveNotificationStrategy.ts b/frontend/src/utils/resolveNotificationStrategy.ts
index 04d376f..2c08c8f 100644
--- a/frontend/src/utils/resolveNotificationStrategy.ts
+++ b/frontend/src/utils/resolveNotificationStrategy.ts
@@ -7,7 +7,11 @@ import {
   loadStrategyForNotification,
   type StrategyDto,
 } from './backendApi';
-import { reconcileStrategyMissingWithValidIds, unmarkStrategyMissingOnServer } from './strategyMissingCache';
+import {
+  isStrategyMissingOnServer,
+  reconcileStrategyMissingWithValidIds,
+  unmarkStrategyMissingOnServer,
+} from './strategyMissingCache';
 import { coerceFiniteNumber } from './safeFormat';
 import { hydrateStrategyDto, normalizeMarketCode } from './strategyHydrate';
 import { extractVirtualConditions } from './virtualStrategyConditions';
@@ -77,12 +81,14 @@ export async function resolveNotificationStrategy(
     if (fromList?.id != null && hasExtractableConditions(fromList)) {
       return pickStrategy(fromList, normalizedId);
     }
-    const loaded = await loadStrategyForNotification(normalizedId);
-    if (loaded && extractVirtualConditions(loaded).length > 0) {
-      return { strategy: loaded, strategyId: normalizedId };
-    }
-    if (loaded) {
-      return { strategy: loaded, strategyId: normalizedId };
+    if (!isStrategyMissingOnServer(normalizedId)) {
+      const loaded = await loadStrategyForNotification(normalizedId);
+      if (loaded && extractVirtualConditions(loaded).length > 0) {
+        return { strategy: loaded, strategyId: normalizedId };
+      }
+      if (loaded) {
+        return { strategy: loaded, strategyId: normalizedId };
+      }
     }
   }
 
@@ -93,9 +99,11 @@ export async function resolveNotificationStrategy(
       if (hasExtractableConditions(byName)) {
         return pickStrategy(byName, byName.id);
       }
-      const loaded = await loadStrategyForNotification(byName.id);
-      if (loaded) {
-        return { strategy: loaded, strategyId: byName.id };
+      if (!isStrategyMissingOnServer(byName.id)) {
+        const loaded = await loadStrategyForNotification(byName.id);
+        if (loaded) {
+          return { strategy: loaded, strategyId: byName.id };
+        }
       }
     }
   }