|Good Til Cancel (GTC)
||Orders with this expiry setting remain open and active until either executed or explicitly canceled by the client.
|Good Til Date (GTD)
||The submitting client specifies the date at which an order is to be expired if not already executed.
||Orders with this expiry type that have not been executed will be expired by the system at the end of the ErisX system day on which they were entered.
|Fill or Kill (FOK)
||A “Fill or Kill” is an order that will either fill immediately the whole requested quantity when entering the orderbook, or it will be cancelled in its entirety.
|Immediate or Cancel (IOC)
||An “Immediate or Cancel” order, when submitted, will immediately fill any portion of the order that is executable and cancel any remaining quantity. Similar to a Fill or Kill but an IOC can have partial fills.