Part of trading cycle when an instrument expires. Field is applicable for derivatives.
| Code | Meaning |
|---|---|
| 0 | Expire on trading session close (default) |
| 1 | Expire on trading session open |
| 2 | Trading eligibility expiration specified in the date and time fields [EventDate(866) and EventTime(1145)] associated with EventType(865)=7(Last Eligible Trade Date) |