diff --git a/frontend/scripts/test-threshold-normalize.mjs b/frontend/scripts/test-threshold-normalize.mjs
index 1ab1d62..b43baa5 100644
--- a/frontend/scripts/test-threshold-normalize.mjs
+++ b/frontend/scripts/test-threshold-normalize.mjs
@@ -83,4 +83,21 @@ function migrateK(cond) {
 const migrated = migrateK({ indicatorType: 'RSI', rightField: 'K_55', thresholdOverride: false });
 assertOk('migrate K_55 stays K_55', migrated.rightField === 'K_55' && migrated.targetValue === 55);
 
+// 비-임계값 rightField (RSI 신호선 등) — 로드 시 기본 과열선으로 되돌리지 않음
+function migrateRightField(cond, signalType = 'buy') {
+  if (cond.thresholdOverride === true) return cond;
+  let rightField = cond.rightField;
+  if (rightField?.startsWith('K_')) return cond;
+  const THRESHOLD = new Set(['HL_OVER', 'HL_MID', 'HL_UNDER']);
+  const RSI_RIGHT_OPTS = ['RSI_SIGNAL', 'NONE', 'HL_OVER', 'HL_MID', 'HL_UNDER'];
+  if (!rightField) {
+    rightField = 'HL_OVER';
+  } else if (!THRESHOLD.has(rightField) && !rightField.startsWith('K_')) {
+    if (!RSI_RIGHT_OPTS.includes(rightField)) rightField = 'HL_OVER';
+  }
+  return { ...cond, rightField, thresholdOverride: false };
+}
+const rsiSignal = migrateRightField({ indicatorType: 'RSI', rightField: 'RSI_SIGNAL', conditionType: 'CROSS_UP' });
+assertOk('RSI_SIGNAL preserved on load', rsiSignal.rightField === 'RSI_SIGNAL');
+
 process.exit(failed > 0 ? 1 : 0);
diff --git a/frontend/src/utils/strategyConditionNormalize.ts b/frontend/src/utils/strategyConditionNormalize.ts
index f36047c..cdf5d90 100644
--- a/frontend/src/utils/strategyConditionNormalize.ts
+++ b/frontend/src/utils/strategyConditionNormalize.ts
@@ -1,7 +1,7 @@
 /** 전략 조건 DSL — 보조지표 DB 설정과 임계값·기간 상inherit 정규화 */
 import type { ConditionDSL, LogicNode } from './strategyTypes';
 import type { DefType } from './strategyEditorShared';
-import { getDefaultConditionFields } from './strategyEditorShared';
+import { getDefaultConditionFields, getRightFieldOpts } from './strategyEditorShared';
 import {
   ensureDirectThresholdSnapshot,
   isThresholdOverridden,
@@ -10,9 +10,7 @@ import {
   VALUE_FIELD_PREFIX,
 } from './conditionPeriods';
 import {
-  defaultInheritedThresholdField,
   inferThresholdSymbolFromLegacyExact,
-  isThresholdFieldOrSymbol,
   isThresholdSymbol,
 } from './thresholdSymbols';
 import { parseThresholdField, setDirectThreshold } from './conditionPeriods';
@@ -45,10 +43,13 @@ function migrateConditionThreshold(
       }
     }
   }
-  if (!rightField || (!isThresholdSymbol(rightField) && !rightField.startsWith('K_'))) {
-    const defaults = getDefaultConditionFields(cond.indicatorType, signalType, def);
-    if (isThresholdFieldOrSymbol(defaults.r)) {
-      rightField = defaults.r;
+  if (!rightField) {
+    rightField = getDefaultConditionFields(cond.indicatorType, signalType, def).r;
+  } else if (!isThresholdSymbol(rightField) && !rightField.startsWith('K_')) {
+    const rightOpts = getRightFieldOpts(cond.indicatorType, signalType, def, cond);
+    const isValidRight = rightOpts.some(o => o.value === rightField);
+    if (!isValidRight) {
+      rightField = getDefaultConditionFields(cond.indicatorType, signalType, def).r;
     }
   }