diff --git a/BitMart.Net/Clients/SpotApi/BitMartRestClientSpotApi.cs b/BitMart.Net/Clients/SpotApi/BitMartRestClientSpotApi.cs
index 44cd466..124f495 100644
--- a/BitMart.Net/Clients/SpotApi/BitMartRestClientSpotApi.cs
+++ b/BitMart.Net/Clients/SpotApi/BitMartRestClientSpotApi.cs
@@ -160,8 +160,7 @@ protected override ServerRateLimitError ParseRateLimitResponse(int httpStatusCod
         public ISpotClient CommonSpotClient => this;
 
         /// <inheritdoc />
-        public string GetSymbolName(string baseAsset, string quoteAsset) =>
-            throw new NotImplementedException();
+        public string GetSymbolName(string baseAsset, string quoteAsset) => baseAsset + "_" + quoteAsset;
 
         internal void InvokeOrderPlaced(OrderId id)
         {