Specifies how long the order remains in effect. Absence of this field is interpreted as DAY. NOTE not applicable to CIV Orders.
(see Volume 1: "Glossary" for value definitions)
Valid values:
| '0' | Day (or session) |
| '1' | Good Till Cancel (GTC) |
| '2' | At the Opening (OPG) |
| '3' | Immediate Or Cancel (IOC) |
| '4' | Fill Or Kill (FOK) |
| '5' | Good Till Crossing (GTX) |
| '6' | Good Till Date (GTD) |
| '7' | At the Close |
Used in: