QuoteUpdateUSOptionsV1 Message Fields
| Field Name | Offset | Length | Data Type | Description |
|---|---|---|---|---|
| StartOfMessage | 0 | 2 | Binary | 0xB0 0xE3 (58288) |
| MessageLength | 2 | 2 | Binary | |
| MessageType | 4 | 2 | Binary | 0x07DC (2012) |
| 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) |
| QuoteUpdateID | 12 | 16 | Text | |
| ClearingFirm | 28 | 4 | Alpha | |
| ClearingAccount | 32 | 4 | Text | |
| CMTANumber | 36 | 4 | Binary | |
| Account | 40 | 16 | Text | |
| CustomGroupID | 56 | 2 | Binary | |
| SendTime | 58 | 8 | DateTime | |
| PostingInstruction | 66 | 1 | Alpha | |
| SessionEligibility | 67 | 1 | Text | |
| SizeModifier | 68 | 1 | Text | |
| ScratchPad | 69 | 2 | Binary | |
| QuoteCnt | 71 | 1 | Binary | |
| → QuoteSymbol | 72 | 6 | Alphanumeric | (Group repeats QuoteCnt times) |
| → Side | 78 | 1 | Text | (Group repeats QuoteCnt times) |
| → OpenClose | 79 | 1 | Text | (Group repeats QuoteCnt times) |
| → Price | 80 | 8 | BinaryPrice | (Group repeats QuoteCnt times) |
| → OrderQty | 88 | 4 | Binary | (Group repeats QuoteCnt times) |
| → ScratchPad | 92 | 2 | Binary | (Group repeats QuoteCnt times) |





