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Argus Sour Crude Index (ASCI) vs. WTI Diff Spread Trade Month Futures Contract Specs

Contract Unit 1,000 barrels
Price Quotation U.S. Dollars and Cents per barrel
Trading Hours CME Globex: Sunday - Friday 6:00 p.m. - 5:00 p.m. (5:00 p.m. - 4:00 p.m. Chicago Time/CT) with a 60-minute break each day beginning at 5:00 p.m. (4:00 p.m. CT)
CME ClearPort: Sunday - Friday 6:00 p.m. - 5:00 p.m. (5:00 p.m. - 4:00 p.m. Chicago Time/CT) with a 60-minute break each day beginning at 5:00 p.m. (4:00 p.m. CT)
Minimum Price Fluctuation $0.01 per barrel
Product Code CME Globex: 36
CME ClearPort: 36
Clearing: 36
Listed Contracts 36 consecutive months
Settlement Method Financially Settled
Floating Price The Floating Price for each contract month is equal to the arithmetic average of the Argus Sour Crude Index ("ASCI") differential (Diff) price for the front month from Argus Media, which is based on the ASCI price minus the WTI Formula Basis price, for the Trade month period beginning with the first business day after the 25th calendar day two months prior to the contract month through the last business day that falls on or before the 25th calendar day of the month prior to the contract month. If the 25th calendar day is a weekend or holiday, the Trade month period shall end on the first business day prior to the 25th calendar day.
Termination Of Trading Trading shall cease at the close of trading on the last business day that falls on or before the 25th calendar day of the month prior to the contract month. If the 25th calendar day is a weekend or holiday, trading shall cease on the first business day prior to the 25th calendar day.
Position Limits NYMEX Position Limits
Exchange Rulebook NYMEX 222
Block Minimum Block Minimum Thresholds
Vendor Codes Quote Vendor Symbols Listing