diff --git a/internal/data/market/main.go b/internal/data/market/main.go
index 5e1e9c3..86333cf 100644
--- a/internal/data/market/main.go
+++ b/internal/data/market/main.go
@@ -33,9 +33,18 @@ func NewMarketData() *MarketData {
 	}
 	_ = ms.StartFutureWsMarkPrice()
 	_ = ms.StartSpotWsMarkPrice()
-	
-	// Initialize Alpha token cache
-	go ms.refreshAlphaTokenCache()
-	
+
+	// Initialize Alpha token cache and refresh every hour
+	go ms.alphaCacheRefreshLoop()
+
 	return ms
 }
+
+func (ms *MarketData) alphaCacheRefreshLoop() {
+	ms.refreshAlphaTokenCache()
+	ticker := time.NewTicker(time.Hour)
+	defer ticker.Stop()
+	for range ticker.C {
+		ms.refreshAlphaTokenCache()
+	}
+}