Option - LO
Expiration of Trading
Trading ends three business days before the termination of trading in the underlying futures contract.
Futures - CL
Termination of Trading
Trading in the current delivery month shall cease on the third business day prior to the twenty-fifth calendar day of the month preceding the delivery month.
If the twenty-fifth calendar day of the month is a
non-business day, trading shall cease on the third business day prior to the last business day preceding the twenty-fifth calendar day.
In the event that the official Exchange holiday schedule changes subsequent to the listing of a Crude Oil futures, the originally listed expiration date shall remain in effect.
In the event that the originally listed expiration day is declared a holiday, expiration will move to the business day immediately prior.