Order type.
Valid values:
| '1' | Market |
| '2' | Limit |
| '3' | Stop |
| '4' | Stop limit |
| '5' | Market on close |
| '6' | With or without |
| '7' | Limit or better |
| '8' | Limit with or without |
| '9' | On basis |
| 'A' | On close |
| 'B' | Limit on close |
| 'C' | Forex - Market |
| 'D' | Previously quoted |
| 'E' | Previously indicated |
| 'F' | Forex - Limit |
| 'G' | Forex - Swap |
| 'H' | Forex - Previously Quoted |
| 'P' | Pegged (requires ExecInst (18) = L, R, M, P or O) |
Used in: