# Order Cancel Reasons

Reasons orders are canceled include, but are not limited to:

- MakerOrCancelWouldTake - A `maker-or-cancel` order would fill immediately
- ImmediateOrCancelWouldPost - An `immediate-or-cancel` order would not fill immediately
- FillOrKillWouldNotFill - A `fill-or-kill` order would not fully fill immediately
- ExceedsPriceLimits - Exceeds price limits imposed by Gemini
- SelfCrossPrevented - Crosses a pre-existing open order
- MarketOrderSweptBook - Unable to completely fill the `market` order
