diff --git a/README.md b/README.md
index 500c83a..06a0534 100644
--- a/README.md
+++ b/README.md
@@ -12,8 +12,8 @@ This is a Python client library for accessing the Charles Schwab stock and optio
 - [X] Automated refreshing of access token
 - [x] Download option chain data
 - [x] Get account information
-- Place stock and option trades [Work in Progress]
-- Retrieve trade history [TODO]
+- [x] Place stock and option trades
+- Retrieve trade history [Work in Progress]
 - Monitor real-time market data [TODO]
 
 ## Installation
diff --git a/cschwabpy/models/trade_models.py b/cschwabpy/models/trade_models.py
index 22c7bbc..b0770d0 100644
--- a/cschwabpy/models/trade_models.py
+++ b/cschwabpy/models/trade_models.py
@@ -452,3 +452,12 @@ class Order(JSONSerializableBaseModel):
     replacingOrderCollection: List[str] = []
     childOrderStrategies: List[str] = []
     statusDescription: Optional[str] = None
+
+
+class EquityOrder(Order):
+    quanity: float
+
+
+class OptionOrder(Order):
+    quantity: Optional[float] = None
+    complexOrderStrategyType: ComplexOrderStrategyType