Last business day of month preceding contract month.
Last Trading Day:
Third last business day of the month.
Open outcry trading is conducted from 8:20 A.M. until 1:30 P.M.
Electronic: 3:15 P.M. on Mondays through Thursdays and concluding at 8:00 A.M. the following day. Sundays, the session begins at 7:00 P.M. All times are New York time.
The international oil cartel -- OPEC, meets twice each year. Oil ministers from member nations sit down in Vienna, Austria to determine production policy for the coming six months
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