On rare occasions, an order submitted to a trading venue may be cancelled and a confirmation of the order cancellation will appear with the below cancel reasons;
| Order Cancelled Reason | Description |
|---|---|
| CANCEL_REQUEST | The order was cancelled as a result of a user request to cancel it |
| BY_EXCHANGE | The order cancellation was initiated by the exchange (trading venue) itself |
| ORDER_MODIFIED | The order cancellation was initiated automatically after a modification |
| BY_ADMIN | The order cancellation was initiated by an admin user |