diff --git a/pkg/exchange/binance/convert.go b/pkg/exchange/binance/convert.go
index 01dbee100..4468630ad 100644
--- a/pkg/exchange/binance/convert.go
+++ b/pkg/exchange/binance/convert.go
@@ -13,6 +13,19 @@ import (
 	"github.com/c9s/bbgo/pkg/util"
 )
 
+func toGlobalTicker(stats *binance.PriceChangeStats) types.Ticker {
+	return types.Ticker{
+		Volume: util.MustParseFloat(stats.Volume),
+		Last:   util.MustParseFloat(stats.LastPrice),
+		Open:   util.MustParseFloat(stats.OpenPrice),
+		High:   util.MustParseFloat(stats.HighPrice),
+		Low:    util.MustParseFloat(stats.LowPrice),
+		Buy:    util.MustParseFloat(stats.BidPrice),
+		Sell:   util.MustParseFloat(stats.AskPrice),
+		Time:   time.Unix(0, stats.CloseTime*int64(time.Millisecond)),
+	}
+}
+
 func toLocalOrderType(orderType types.OrderType) (binance.OrderType, error) {
 	switch orderType {
 	case types.OrderTypeLimit:
diff --git a/pkg/exchange/binance/exchange.go b/pkg/exchange/binance/exchange.go
index 69c56eaac..c5c51d2ff 100644
--- a/pkg/exchange/binance/exchange.go
+++ b/pkg/exchange/binance/exchange.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"os"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/adshao/go-binance/v2"
@@ -48,6 +49,18 @@ func (e *Exchange) Name() types.ExchangeName {
 	return types.ExchangeBinance
 }
 
+func (e *Exchange) QueryTicker(ctx context.Context, symbol string) (*types.Ticker, error) {
+	req := e.Client.NewListPriceChangeStatsService()
+	req.Symbol(strings.ToUpper(symbol))
+	stats, err := req.Do(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	ticker := toGlobalTicker(stats[0])
+	return &ticker, nil
+}
+
 func (e *Exchange) QueryTickers(ctx context.Context, symbol ...string) (map[string]types.Ticker, error) {
 	var ret = make(map[string]types.Ticker)
 	listPriceChangeStatsService := e.Client.NewListPriceChangeStatsService()
@@ -533,12 +546,25 @@ func (e *Exchange) submitSpotOrder(ctx context.Context, order types.SubmitOrder)
 		NewClientOrderID(clientOrderID).
 		Type(orderType)
 
-	req.Quantity(order.QuantityString)
-
-	if len(order.PriceString) > 0 {
-		req.Price(order.PriceString)
+	if len(order.QuantityString) > 0 {
+		req.Quantity(order.QuantityString)
+	} else if order.Market.Symbol != "" {
+		req.Quantity(order.Market.FormatQuantity(order.Quantity))
+	} else {
+		req.Quantity(strconv.FormatFloat(order.Quantity, 'f', 8, 64))
 	}
 
+	// set price field for limit orders
+	switch order.Type {
+	case types.OrderTypeStopLimit, types.OrderTypeLimit:
+		if len(order.PriceString) > 0 {
+			req.Price(order.PriceString)
+		} else if order.Market.Symbol != "" {
+			req.Price(order.Market.FormatPrice(order.Price))
+		}
+	}
+
+
 	switch order.Type {
 	case types.OrderTypeStopLimit, types.OrderTypeStopMarket:
 		if len(order.StopPriceString) == 0 {