1 files changed, 6 insertions, 2 deletions
diff --git a/trade.py b/trade.py
index 796f824..9e782a5 100644
--- a/trade.py
+++ b/trade.py
@@ -25,8 +25,12 @@ class Trade:
             date (str): The date of the trade, formatted as a string.
         """
 
-        if amount <= 0 or total_cost <= 0:
-            raise ValueError("Amount and total cost must be > 0")
+        if amount < 0 and total_cost < 0:
+            pass
+        elif amount > 0 and total_cost > 0:
+            pass
+        else:
+            raise ValueError("Amount and tota> cost must be same sign")
 
         self.__amount: Decimal = Decimal(amount)
         self.__total_cost: Decimal = Decimal(total_cost)