diff --git a/pkg/core/tradestore.go b/pkg/core/tradestore.go
index 340e3df15..f1acdb244 100644
--- a/pkg/core/tradestore.go
+++ b/pkg/core/tradestore.go
@@ -10,6 +10,7 @@ import (
 )
 
 const TradeExpiryTime = 3 * time.Hour
+const CoolTradePeriod = 1 * time.Hour
 const MaximumTradeStoreSize = 1_000
 
 type TradeStore struct {
@@ -139,7 +140,7 @@ func (s *TradeStore) Prune(curTime time.Time) {
 
 func (s *TradeStore) isCoolTrade(trade types.Trade) bool {
 	// if the duration between the current trade and the last trade is over 1 hour, we call it "cool trade"
-	return !s.lastTradeTime.IsZero() && time.Time(trade.Time).Sub(s.lastTradeTime) > time.Hour
+	return !s.lastTradeTime.IsZero() && time.Time(trade.Time).Sub(s.lastTradeTime) > CoolTradePeriod
 }
 
 func (s *TradeStore) exceededMaximumTradeStoreSize() bool {
diff --git a/pkg/core/tradestore_test.go b/pkg/core/tradestore_test.go
index 431572ab4..c820a2a02 100644
--- a/pkg/core/tradestore_test.go
+++ b/pkg/core/tradestore_test.go
@@ -30,7 +30,7 @@ func TestTradeStore_Prune(t *testing.T) {
 	store := NewTradeStore()
 	store.Add(
 		types.Trade{ID: 1, Time: types.Time(now.Add(-25 * time.Hour))},
-		types.Trade{ID: 2, Time: types.Time(now.Add(-23 * time.Hour))},
+		types.Trade{ID: 2, Time: types.Time(now.Add(-2 * time.Hour))},
 		types.Trade{ID: 3, Time: types.Time(now.Add(-2 * time.Minute))},
 		types.Trade{ID: 4, Time: types.Time(now.Add(-1 * time.Minute))},
 	)