diff --git a/pkg/bbgo/environment.go b/pkg/bbgo/environment.go
index c8aaff93f..0f88e6b7a 100644
--- a/pkg/bbgo/environment.go
+++ b/pkg/bbgo/environment.go
@@ -190,7 +190,16 @@ func (environ *Environment) Init(ctx context.Context) (err error) {
 
 		// trade sync and market data store depends on subscribed symbols so we have to do this here.
 		for symbol := range session.loadedSymbols {
-			position := &Position{Symbol: symbol}
+			market, ok := markets[symbol]
+			if !ok {
+				return fmt.Errorf("market %s is not defined", symbol)
+			}
+
+			position := &Position{
+				Symbol:        symbol,
+				BaseCurrency:  market.BaseCurrency,
+				QuoteCurrency: market.QuoteCurrency,
+			}
 
 			var trades []types.Trade
 
diff --git a/pkg/bbgo/position.go b/pkg/bbgo/position.go
index 563fd3930..452cbb8b2 100644
--- a/pkg/bbgo/position.go
+++ b/pkg/bbgo/position.go
@@ -6,7 +6,10 @@ import (
 )
 
 type Position struct {
-	Symbol      string           `json:"symbol"`
+	Symbol        string `json:"symbol"`
+	BaseCurrency  string `json:"baseCurrency"`
+	QuoteCurrency string `json:"quoteCurrency"`
+
 	Base        fixedpoint.Value `json:"base"`
 	Quote       fixedpoint.Value `json:"quote"`
 	AverageCost fixedpoint.Value `json:"averageCost"`