diff --git a/src/server/live/grid-cycle.ts b/src/server/live/grid-cycle.ts
index fdbdb5a..2ec4bb3 100644
--- a/src/server/live/grid-cycle.ts
+++ b/src/server/live/grid-cycle.ts
@@ -90,7 +90,7 @@ export function processGridCycle(
     }
     return { pair, c4h, atr: atr(c4h, p.atrPeriod), adx: adx(c4h, p.atrPeriod), next4h };
   });
-  const byPair = new Map(contexts.map((c) => [c.pair, c]));
+  const byPair = new Map<Pair, (typeof contexts)[number]>(contexts.map((c) => [c.pair, c]));
 
   const timeline: { ts: number; pair: Pair; candle: Candle }[] = [];
   for (const ctx of contexts) {