diff --git a/core/exchanges/alpaca.py b/core/exchanges/alpaca.py
index 0c0103f..03861d9 100644
--- a/core/exchanges/alpaca.py
+++ b/core/exchanges/alpaca.py
@@ -121,6 +121,11 @@ class AlpacaExchange(BaseExchange):
         trade.save()
         return order
 
+    def close_trade(self, trade_id):  # TODO
+        """
+        Close a trade
+        """
+
     def get_trade(self, trade_id):
         pass  # TODO
 
diff --git a/core/exchanges/oanda.py b/core/exchanges/oanda.py
index af7a8d7..ae62306 100644
--- a/core/exchanges/oanda.py
+++ b/core/exchanges/oanda.py
@@ -94,6 +94,13 @@ class OANDAExchange(BaseExchange):
         trade.save()
         return response
 
+    def close_trade(self, trade_id):
+        """
+        Close a trade.
+        """
+        r = trades.TradeClose(accountID=self.account_id, tradeID=trade_id)
+        return self.call(r)
+
     def get_trade(self, trade_id):
         # OANDA is off by one...
         r = trades.TradeDetails(accountID=self.account_id, tradeID=trade_id)