diff --git a/apps/api/src/jobs/rollup.ts b/apps/api/src/jobs/rollup.ts
index 9df5794..d58fed0 100644
--- a/apps/api/src/jobs/rollup.ts
+++ b/apps/api/src/jobs/rollup.ts
@@ -105,7 +105,9 @@ export async function startRollupJob() {
     console.error("[rollup] force-run check failed:", e);
   }
 
-  // Periodic refreshes for the *current* bucket of each resolution.
-  setInterval(() => { rollupCurrent("hourly").catch((e) => console.warn("[rollup] hourly failed:", e)); },  5 * 60 * 1000);
-  setInterval(() => { rollupCurrent("daily").catch((e) => console.warn("[rollup] daily failed:",  e)); }, 30 * 60 * 1000);
+  // Periodic refreshes for the *current* bucket of each resolution. Each query
+  // is bounded by the current bucket only (date_trunc(...)) so it stays cheap
+  // even at high cadence.
+  setInterval(() => { rollupCurrent("hourly").catch((e) => console.warn("[rollup] hourly failed:", e)); },  30 * 1000);     // every 30s
+  setInterval(() => { rollupCurrent("daily").catch((e) => console.warn("[rollup] daily failed:",  e)); },  5 * 60 * 1000);  // every 5min
 }