MassCancelOrderUSOptionsV1
| Field | Hexadecimal | Description |
|---|---|---|
| StartOfMessage | b0 e3 | BOE3 (58288, 0xe3b0) |
| MessageLength | 3e 00 | 62 |
| MessageType | df 07 | MassCancelOrderUSOptionsV1 (2015, 0x07df) |
| MatchingUnit | 00 | 0 |
| Reserved | 00 | 0 |
| SequenceNumber | bc 01 00 00 | 444 |
| MassCancelID | 6d 61 73 73 63 78 6c 2d 35 35 34 34 00 00 00 00 00 00 00 00 | masscxl-5544 |
| ClearingFirm | 00 00 00 00 | |
| RoutingFirmID | 00 00 00 00 | |
| RiskRoot | 00 00 00 00 00 00 | |
| MassCancelInst | 00 00 00 00 00 00 00 00 | |
| SendTime | 00 00 00 00 00 00 00 00 | 1970-01-01 00:00:00.000000 |
| Scratchpad | 00 00 | 0 |