Supported Functions by DAS, IB and TD Ameritrade

Function DAS IB TD Ameritrade
Market Order
Limit Order
Stop Orders
Trigger Orders
OCO Order
Basket Order
Day
Day+
IOC
GTC
GTD (Day)
FOK
At Open Order
At Close Order
AON
ANY
INETM/ARCAM
Order Check
Partial Fills
Cancel/Replace
Direct Access Trading *✓
Direct Routing *✓
Trading Restrictions *✓
Hotkeys ^✓
Short List
Short Locate Tool
HFT
Scalping
Fractional Shares
Pre-Market Start Time 4AM ET 4AM ET 7AM ET
Post-Market End Time 8PM ET 8PM ET 8PM ET
Futures
Futures Options *✓
Forex
Options & Complex Options
TSX (Toronto Exchange) Order Entry **✕

*Supported but with some limitations by the broker.

**Due to regulatory concerns, these orders must be placed directly through IB.

^TD acknowledgement is above a microsecond delay and so some hotkey orders may get rejected.