Our order matching engine currently supports the following eight order types:
- Market
- Limit
- Limit: Immediate-or-Cancel (IOC)
- Limit: Fill-Or-Kill (FOK)
- Limit: Maker-or-Cancel (MOC)
- Limit: Auction-Only Limit (AO)
- Limit: Indication of Interest (IOI)
- Stop-Limit
Market orders are filled immediately against resting orders at the current best available price.
Limit orders are filled at or better than a specified price. Any quantity that is not filled rests on the continuous order book until it is filled or canceled.
Stop-Limit orders place a Limit order when a Last Trade Price crosses the Stop Price of the order.
Limit: Immediate-or-Cancel (IOC) orders are filled immediately at or better than a specified price. Any quantity that is not filled immediately is canceled and does not rest on the continuous order book.
Limit: Fill-or-Kill orders are filled immediately at or better than a specified price. If the order cannot be filled in full immediately, the entire quantity is canceled. The order does not rest on the continuous order book.
Limit: Maker-or-Cancel orders rest on the continuous order book at a specified price. If any quantity can be filled immediately, the entire order is canceled.
Limit: Auction-Only (AO) Limit orders rest on the auction order book and is filled at or better than a specified price at the conclusion of an auction. Any quantity that is not filled is canceled.
Limit: Indication of Interest (IOI) orders Initiates Gemini’s block trading workflow to source liquidity for large block quantities.
For more information, please see our Marketplace page