Sequenced Unit Header with 2 Messages
| Sequenced Unit Header Message Example | ||
| Hdr Length | 3E 00 | 62 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: Trade Message Example | ||
| Length | 25 | 37 bytes |
| Type | B4 | Trade |
| Time Offset | 10 84 D4 23 | 601,130,000 ns since last Time Message |
| Symbol | 36 35 34 33 32 31 | 654321 |
| Reserved | 20 20 | |
| Quantity | BC 02 00 00 | 700 contracts |
| Price | 08 E2 01 00 00 00 00 00 | $12.34 |
| Execution Id | 34 2B 46 E0 BB 00 00 00 | 0AAP09VEC |
| 40 42 0F 00 00 00 00 00 | 1,000,000 contracts | |
| Trade Condition | 20 | Normal Trade (space) |
| Message 2: Single Side Update Message Example | ||
| Length | 11 | 17 bytes |
| Type | B4 | Single Side Update (Short) |
| Time Offset | 30 FA D3 29 | 701,758,000 ns since last Time Message |
| Symbol | 36 35 34 33 32 31 | 654321 |
| Side | 42 | B (Buy) |
| Price | 0C 30 | $1.23 |
| Quantity | 64 00 | 100 contracts |