MT 306 Field Specifications

10. Field 12E: Expiration Style

FORMAT

Option E 4!c (Expiration Style)

PRESENCE

Mandatory (C3)

DEFINITION

This field specifies the expiration style.

CODES

Expiration Style must contain one of the following codes (Error code(s): T66):

AMER American: the option can be exercised on any date prior to and including expiration date as agreed by the parties to the trade.
BERM Bermudan or Mid-Atlantic: the option can be exercised on predetermined exercise dates as agreed to by the counterparts.
EURO European: the option can be exercised on expiration date, at or before expiration time.