The time of day at which an option expires on the expiration date. After this time, the option may no longer be exercised.
The time of day by which all exercise notices must be received on the expiration date. Check with your Account Executive regarding your brokerage firm's deadline for submitting exercise notices on expiration Friday.
The time when the value of a variable will expire. This is calculated for all values of variables and displayed in the attribute table.
in the over-the-counter market, the latest time an option may be exercised is usually 3pm London time or 10am New York time, or 3pm Tokyo time, on that particular day
Time at which the option ceases to exist. If the option is in the money, it will be settled against the prevailing spot price at the expiration time, which is 10:00 AM NY time.
The time of day by which all exercise notices must be received on the expiration date. Technically, the expiration time is currently 5:00PM on the expiration date, but public holders of option contracts must indicate their desire to exercise no later than 5:30PM on the business day preceding the expiration date. The times are Eastern Time. See also Expiration Date.
Early Exercise assignment Elasticity of an option