diff --git a/pkg/strategy/grid2/strategy.go b/pkg/strategy/grid2/strategy.go
index 96d54a0c5..40375536a 100644
--- a/pkg/strategy/grid2/strategy.go
+++ b/pkg/strategy/grid2/strategy.go
@@ -881,6 +881,7 @@ func (s *Strategy) openGrid(ctx context.Context, session *bbgo.ExchangeSession)
 func (s *Strategy) updateOpenOrderPricesMetrics(orders []types.Order) {
 	orders = sortOrdersByPriceAscending(orders)
 	num := len(orders)
+	metricsGridOrderPrices.Reset()
 	for idx, order := range orders {
 		labels := s.newPrometheusLabels()
 		labels["ith"] = strconv.Itoa(num - idx)