Identifies the type of position transaction
| Code | Meaning |
|---|---|
| 1 | Exercise |
| 2 | Do not exercise |
| 3 | Position adjustment |
| 4 | Position change submission / margin disposition |
| 5 | Pledge |
| 6 | Large trader submission |
| 7 | Large positions reporting submission |
| 8 | Long holdings |
| 9 | Internal transfer |
| 10 | Transfer of firm |
| 11 | External transfer |
| 12 | Corporate action |
| 13 | Notification |
| 14 | Position creation |
| 15 | Close out |
| 16 | Reopen |