diff --git a/infra/helm/stonks-oracle/values.yaml b/infra/helm/stonks-oracle/values.yaml
index dd70899..b5d399b 100644
--- a/infra/helm/stonks-oracle/values.yaml
+++ b/infra/helm/stonks-oracle/values.yaml
@@ -19,8 +19,8 @@ services:
     tier: orchestration
     secrets: [stonks-core-secrets]
     resources:
-      requests: { cpu: 50m, memory: 64Mi }
-      limits: { cpu: 200m, memory: 128Mi }
+      requests: { cpu: 50m, memory: 128Mi }
+      limits: { cpu: 200m, memory: 256Mi }
 
   symbolRegistry:
     replicas: 1
diff --git a/scripts/backfill_snapshot_prices.py b/scripts/backfill_snapshot_prices.py
index 2e235eb..dd1f098 100644
--- a/scripts/backfill_snapshot_prices.py
+++ b/scripts/backfill_snapshot_prices.py
@@ -18,6 +18,7 @@ import argparse
 import asyncio
 import os
 import sys
+from datetime import timedelta
 
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
@@ -42,8 +43,8 @@ FROM market_snapshots
 WHERE ticker = $1
   AND snapshot_type = 'bar'
   AND data->>'c' IS NOT NULL
-  AND captured_at >= $2 - INTERVAL '24 hours'
-  AND captured_at <= $2
+  AND captured_at >= $2
+  AND captured_at <= $3
 ORDER BY captured_at DESC
 LIMIT 1
 """
@@ -102,8 +103,9 @@ async def backfill(dry_run: bool = False) -> None:
         price: float | None = None
 
         # Fallback 1: market_snapshots within 24h of generated_at
+        window_start = generated_at - timedelta(hours=24)
         market_row = await pool.fetchrow(
-            _MARKET_SNAPSHOT_FALLBACK_SQL, ticker, generated_at
+            _MARKET_SNAPSHOT_FALLBACK_SQL, ticker, window_start, generated_at
         )
         if market_row and market_row["close"] is not None:
             price = float(market_row["close"])