diff --git a/pkg/metrics/maker.go b/pkg/metrics/maker.go
index 380ac21b0..82e4ae9c0 100644
--- a/pkg/metrics/maker.go
+++ b/pkg/metrics/maker.go
@@ -7,47 +7,51 @@ import (
 	"github.com/c9s/bbgo/pkg/types"
 )
 
-var OpenOrderBidExposureInUsdMetrics = prometheus.NewGaugeVec(
+var makerOpenOrderBidExposureInUsdMetrics = prometheus.NewGaugeVec(
 	prometheus.GaugeOpts{
 		Name: "bbgo_maker_open_order_bid_exposure_in_usd",
 		Help: "",
 	}, []string{"strategy_type", "strategy_id", "exchange", "symbol"})
 
-var OpenOrderAskExposureInUsdMetrics = prometheus.NewGaugeVec(
+var makerOpenOrderAskExposureInUsdMetrics = prometheus.NewGaugeVec(
 	prometheus.GaugeOpts{
 		Name: "bbgo_maker_open_order_ask_exposure_in_usd",
 		Help: "",
 	}, []string{"strategy_type", "strategy_id", "exchange", "symbol"})
 
-var OpenOrderBidOrderCountMetrics = prometheus.NewGaugeVec(
+var makerOpenOrderBidOrderCountMetrics = prometheus.NewGaugeVec(
 	prometheus.GaugeOpts{
 		Name: "bbgo_maker_open_order_bid_count",
 		Help: "",
 	}, []string{"strategy_type", "strategy_id", "exchange", "symbol"})
 
-var OpenOrderAskOrderCountMetrics = prometheus.NewGaugeVec(
+var makerOpenOrderAskOrderCountMetrics = prometheus.NewGaugeVec(
 	prometheus.GaugeOpts{
 		Name: "bbgo_maker_open_order_ask_count",
 		Help: "",
 	}, []string{"strategy_type", "strategy_id", "exchange", "symbol"})
 
-var MakerBestBidPriceMetrics = prometheus.NewGaugeVec(
+var makerBestBidPriceMetrics = prometheus.NewGaugeVec(
 	prometheus.GaugeOpts{
 		Name: "bbgo_maker_best_bid_price",
 		Help: "",
 	}, []string{"strategy_type", "strategy_id", "exchange", "symbol"})
 
-var MakerBestAskPriceMetrics = prometheus.NewGaugeVec(
+var makerBestAskPriceMetrics = prometheus.NewGaugeVec(
 	prometheus.GaugeOpts{
 		Name: "bbgo_maker_best_ask_price",
 		Help: "",
 	}, []string{"strategy_type", "strategy_id", "exchange", "symbol"})
 
-func UpdateOpenOrderMetrics(strategyType, strategyId, exchangeName, symbol string, submitOrders []types.SubmitOrder) {
+func UpdateMakerOpenOrderMetrics(strategyType, strategyId, exchangeName, symbol string, submitOrders []types.SubmitOrder) {
 	bidOrderCount := 0
 	askOrderCount := 0
 	bidExposureQuoteAmount := fixedpoint.Zero
 	askExposureQuoteAmount := fixedpoint.Zero
+
+	bestAskPrice := fixedpoint.Zero
+	bestBidPrice := fixedpoint.Zero
+
 	for _, submitOrder := range submitOrders {
 		quoteAmount := submitOrder.Quantity.Mul(submitOrder.Price)
 
@@ -55,11 +59,22 @@ func UpdateOpenOrderMetrics(strategyType, strategyId, exchangeName, symbol strin
 		case types.SideTypeSell:
 			askExposureQuoteAmount = askExposureQuoteAmount.Add(quoteAmount)
 			askOrderCount++
+			if bestAskPrice.IsZero() {
+				bestAskPrice = submitOrder.Price
+			} else {
+				bestAskPrice = fixedpoint.Min(bestAskPrice, submitOrder.Price)
+			}
 
 		case types.SideTypeBuy:
 			bidExposureQuoteAmount = bidExposureQuoteAmount.Add(quoteAmount)
 			bidOrderCount++
 
+			if bestBidPrice.IsZero() {
+				bestBidPrice = submitOrder.Price
+			} else {
+				bestBidPrice = fixedpoint.Max(bestBidPrice, submitOrder.Price)
+			}
+
 		}
 	}
 
@@ -70,19 +85,21 @@ func UpdateOpenOrderMetrics(strategyType, strategyId, exchangeName, symbol strin
 		"symbol":        symbol,
 	}
 
-	OpenOrderBidExposureInUsdMetrics.With(labels).Set(bidExposureQuoteAmount.Float64())
-	OpenOrderAskExposureInUsdMetrics.With(labels).Set(askExposureQuoteAmount.Float64())
-	OpenOrderBidOrderCountMetrics.With(labels).Set(float64(bidOrderCount))
-	OpenOrderAskOrderCountMetrics.With(labels).Set(float64(askOrderCount))
+	makerOpenOrderBidExposureInUsdMetrics.With(labels).Set(bidExposureQuoteAmount.Float64())
+	makerOpenOrderAskExposureInUsdMetrics.With(labels).Set(askExposureQuoteAmount.Float64())
+	makerOpenOrderBidOrderCountMetrics.With(labels).Set(float64(bidOrderCount))
+	makerOpenOrderAskOrderCountMetrics.With(labels).Set(float64(askOrderCount))
+	makerBestBidPriceMetrics.With(labels).Set(bestBidPrice.Float64())
+	makerBestAskPriceMetrics.With(labels).Set(bestAskPrice.Float64())
 }
 
 func init() {
 	prometheus.MustRegister(
-		OpenOrderAskExposureInUsdMetrics,
-		OpenOrderBidExposureInUsdMetrics,
-		MakerBestAskPriceMetrics,
-		MakerBestBidPriceMetrics,
-		OpenOrderAskOrderCountMetrics,
-		OpenOrderBidOrderCountMetrics,
+		makerOpenOrderAskExposureInUsdMetrics,
+		makerOpenOrderBidExposureInUsdMetrics,
+		makerBestAskPriceMetrics,
+		makerBestBidPriceMetrics,
+		makerOpenOrderAskOrderCountMetrics,
+		makerOpenOrderBidOrderCountMetrics,
 	)
 }
diff --git a/pkg/strategy/xdepthmaker/strategy.go b/pkg/strategy/xdepthmaker/strategy.go
index b91ac9055..d435b7a91 100644
--- a/pkg/strategy/xdepthmaker/strategy.go
+++ b/pkg/strategy/xdepthmaker/strategy.go
@@ -1194,7 +1194,7 @@ func (s *Strategy) updateQuote(ctx context.Context, maxLayer int) {
 
 	s.logger.Infof("%d orders are generated, placing...", len(submitOrders))
 
-	metrics.UpdateOpenOrderMetrics(ID, s.InstanceID(), s.MakerExchange, s.Symbol, submitOrders)
+	metrics.UpdateMakerOpenOrderMetrics(ID, s.InstanceID(), s.MakerExchange, s.Symbol, submitOrders)
 
 	_, err = s.MakerOrderExecutor.SubmitOrders(ctx, submitOrders...)
 	if err != nil {