Defines the type of interest behind a trade (fill or partial fill).
| Code | Meaning |
|---|---|
| 1 | Order |
| 2 | Quote |
| 3 | Privately Negotiated Trade |
| 4 | Multileg order |
| 5 | Linked order |
| 6 | Quote Request |
| 7 | Implied Order |
| 8 | Cross Order |
| 9 | Streaming price (quote) |
| A | Internal Cross Order |