diff --git a/src/components/ReportActionItem/MoneyRequestReportPreview/MoneyRequestReportPreviewContent.tsx b/src/components/ReportActionItem/MoneyRequestReportPreview/MoneyRequestReportPreviewContent.tsx
index 792122cc11a9..3193f0e8d29f 100644
--- a/src/components/ReportActionItem/MoneyRequestReportPreview/MoneyRequestReportPreviewContent.tsx
+++ b/src/components/ReportActionItem/MoneyRequestReportPreview/MoneyRequestReportPreviewContent.tsx
@@ -57,7 +57,7 @@ import {startSpan} from '@libs/telemetry/activeSpans';
 import {getPendingSubmitFollowUpAction} from '@libs/telemetry/submitFollowUpAction';
 import type {SkeletonSpanReasonAttributes} from '@libs/telemetry/useSkeletonSpan';
 import {compareByRBR} from '@libs/TransactionPreviewUtils';
-import {hasPendingUI, isManagedCardTransaction, isPending} from '@libs/TransactionUtils';
+import {getCreated, hasPendingUI, isManagedCardTransaction, isPending} from '@libs/TransactionUtils';
 import colors from '@styles/theme/colors';
 import variables from '@styles/variables';
 import CONST from '@src/CONST';
@@ -160,7 +160,7 @@ function MoneyRequestReportPreviewContent({
     const styles = useThemeStyles();
     const StyleUtils = useStyleUtils();
     const currentUserDetails = useCurrentUserPersonalDetails();
-    const {translate, formatPhoneNumber} = useLocalize();
+    const {translate, formatPhoneNumber, localeCompare} = useLocalize();
     const {convertToDisplayString} = useCurrencyListActions();
     // eslint-disable-next-line rulesdir/prefer-shouldUseNarrowLayout-instead-of-isSmallScreenWidth
     const {shouldUseNarrowLayout, isSmallScreenWidth} = useResponsiveLayout();
@@ -357,11 +357,16 @@ function MoneyRequestReportPreviewContent({
         if (shouldShowAccessPlaceHolder) {
             return [];
         }
-        const sorted = [...transactions].sort((a, b) =>
-            compareByRBR(a, b, transactionViolations, currentUserDetails?.login ?? '', currentUserDetails?.accountID ?? CONST.DEFAULT_NUMBER_ID, iouReport, policy),
-        );
+        const sorted = [...transactions].sort((a, b) => {
+            const rbrComparison = compareByRBR(a, b, transactionViolations, currentUserDetails?.login ?? '', currentUserDetails?.accountID ?? CONST.DEFAULT_NUMBER_ID, iouReport, policy);
+            if (rbrComparison !== 0) {
+                return rbrComparison;
+            }
+            // Tiebreak by date (ascending — oldest first) so position is stable across RBR state changes
+            return localeCompare(getCreated(a), getCreated(b));
+        });
         return sorted.slice(0, 11);
-    }, [shouldShowAccessPlaceHolder, transactions, transactionViolations, currentUserDetails?.login, currentUserDetails?.accountID, iouReport, policy]);
+    }, [shouldShowAccessPlaceHolder, transactions, transactionViolations, currentUserDetails?.login, currentUserDetails?.accountID, iouReport, policy, localeCompare]);
     const prevCarouselTransactionLength = useRef(0);
 
     useEffect(() => {
diff --git a/src/libs/TransactionUtils/index.ts b/src/libs/TransactionUtils/index.ts
index c41e65cd11f3..59c9dc9c5af0 100644
--- a/src/libs/TransactionUtils/index.ts
+++ b/src/libs/TransactionUtils/index.ts
@@ -429,7 +429,9 @@ function buildOptimisticTransaction(params: BuildOptimisticTransactionParams): T
         created = '',
         merchant = '',
         receipt,
-        category = '',
+        // Prevent RBR flip and transaction jump: initialize category to 'Uncategorized' instead of
+        // empty string so optimistic missing category violation isn't added then removed during backend sync
+        category = CONST.SEARCH.CATEGORY_DEFAULT_VALUE,
         tag = '',
         taxCode = '',
         taxAmount = 0,