ModifyOrderUSOptionsV1 Message Fields
| Field Name | Offset | Length | Data Type | Description |
|---|---|---|---|---|
| StartOfMessage | 0 | 2 | Binary | 0xB0 0xE3 |
| MessageLength | 2 | 2 | Binary | |
| MessageType | 4 | 2 | Binary | 0x07DB (2011) |
| MatchingUnit | 6 | 1 | Binary | Zero - from member message |
| Reserved | 7 | 1 | Binary | MUST be zero from member |
| SequenceNumber | 8 | 4 | Binary | Next sequence number (or zero) |
| ClOrdID | 12 | 20 | Text | |
| OrigClOrdID | 32 | 20 | Text | |
| ClearingFirm | 52 | 4 | Alpha | |
| RoutingFirmID | 56 | 4 | Alpha | |
| OrderQty | 60 | 4 | Binary | |
| Price | 64 | 8 | BinaryPrice | |
| OrdType | 72 | 1 | Text | |
| MaxFloor | 73 | 4 | Binary | |
| StopPx | 77 | 8 | BinaryPrice | |
| CancelOrigOnReject | 85 | 1 | Text | |
| Reserved | 86 | 41 | Binary | Must be null-filled (0x00) |
| ScratchPad | 127 | 2 | Binary |