| TradSesStatusCodeSet | int | State of the trading session.
| 0 | = | Unknown | Added FIX.4.3
| | [Unknown] | | 1 | = | Halted | Added FIX.4.2
| | [Halted] | | 2 | = | Open | Added FIX.4.2
| | [Open] | | 3 | = | Closed | Added FIX.4.2
| | [Closed] | | 4 | = | Pre-Open | Added FIX.4.2
| | [PreOpen] | | 5 | = | Pre-Close | Added FIX.4.2
| | [PreClose] | | 6 | = | Request Rejected | Added FIX.4.3
| | [RequestRejected] |
| Added FIX.4.2
|