Sequenced Unit Header with 2 Messages
| Field | Value | Value Description |
|---|---|---|
| Sequenced Unit Header Message Example | ||
| Hdr Length | 31 00 | 49 bytes, including header |
| Hdr Count | 02 | 2 messages to follow |
| Hdr Unit | 01 | Unit 1 |
| Hdr Sequence | 01 00 00 00 | First message has sequence number 1 |
| Message 1: Add Order (Short) Message Example | ||
| Length | 19 | 25 bytes |
| Type | 22 | Add Order - Short |
| Time Offset | 08 5C 44 25 | 625,237,000 ns since Last Time Message |
| Order ID | 98 97 96 D3 22 5A 0E 0E | |
| Side Indicator | 42 | Buy |
| Quantity | 20 4E | 20,000 contracts |
| Symbol | 33 34 35 33 32 31 | 345321 |
| Price | FF 7F | $327.67 |
| Message 2: Reduce Size (Short) Message Example | ||
| Length | 10 | 16 bytes |
| Type | 26 | Reduce Size - Short |
| Time Offset | 08 5C 44 25 | 625,237,000 ns since Last Time Message |
| Order Id | 98 97 96 D3 22 5A 0E 0E | |
| Canceled Quantity | 64 00 | 100 contracts |