Reason for submission of mass action.
| Code | Meaning |
|---|---|
| 0 | No special reason (default) |
| 1 | Trading risk control |
| 2 | Clearing risk control |
| 3 | Market maker protection |
| 4 | Stop trading |
| 5 | Emergency action |
| 6 | Session loss or logout |
| 7 | Duplicate login |
| 8 | Product not traded |
| 9 | Instrument not traded |
| 10 | Complex instrument deleted |
| 11 | Circuit breaker activated |
| 99 | Other |