Colloquial Name	Description	TimeInForce	Partial Fills?
Immediate or Cancel	All or part of the order is to be executed immediately (the book will possibly be swept, generating multiple partial fills), any unfilled parts of the order are to be canceled.	IOC	YES
Fill Or Kill		FOK	NO
Day		DAY
Good 'Til Canceled		GTC
Good 'Til Date	Order is active until a specified time. TWAP?	GTD
Good For Time	Order is active for a specified duration. TWAP?	GFT
At Market Opening		OPN*

Order Types

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