...
Bracket: This strategy will "bracket" your order with two opposite-side OCO orders. The bracket order will trigger if either a profit target level or a stop loss level is hit.
Iceberg: When executing an order with a large quantity, an iceberg order divides the total quantity into a smaller visible portion on the order book. As the smaller quantity is filled, a new order is released until the full order quantity has been fulfilled.
OCO: One-cancels-the-other order is a multi-part order that combines a stop order with a limit order. Once one of the orders is expectedexecuted, the other is cancelled.
Trailing Stop: The system will automatically move the stop order in the direction of your position by the number of pegs you identify.
...
Day: A Day order must be executed before the close of the trading day. If it has not been executed, the order is cancelledis cancelled.
GTC: GTC (Good till Cancelled) orders will continue to work until the order is filled, or until you cancel it.
GTD: GTD (Good till Date) orders will continue to work through the close of the date specified. If the order is not filled by the close of the GTD, it will be cancelled.
FAK: A Fill-and-Kill order is one where the order is executed up to the quantity of contracts available at the order limit price and any amount unfilled is cancelled.
FOK: If the Fill-or-Kill order does not execute immediately and completely as soon as it becomes available, the entire order is cancelled. This type of order is used to ensure that the trade (usually for a large quantity) is entered at the desired price, or not at all. A partial fill is not acceptable with an FOK order.
IOC: If any portion of an Immediate-or-Cancel order is not filled as soon as it becomes available, the unfilled parts of the order are cancelled. Unlike an FOK order, partial fills are accepted.