A snapshot of the average of all supplier postings in each OPIS rack market at approximately 10:00 a.m. ET. The snapshot includes all price moves from 6:00 p.m. ET the prior day up until the price file is frozen at approximately 10:00 a.m. ET. (Example: The January 8th Contract Average encompasses all price moves that were made at 6:00 p.m. ET January 7th up until approximately 10:00 a.m. ET January 8th.)