Minimum Price Fluctuation One-quarter of one basis point (0.0025 = $6.25) when the nearest contract month of the underlying ED futures calendar spread is the nearest expiring futures contract month and also for options with premiums below 0.05 IMM index points.
One-half of one basis point (0.005 = $12.50) for all other contract months.
Price Quotation U.S. dollars and cents per IMM index point
Trading Hours CME Globex: Sunday - Friday 5:00 p.m. – 4:00 p.m. CT with a 60-minute break each day beginning at 4:00 p.m. CT
Open Outcry: Monday - Friday: 7:20 a.m. - 2:00 p.m. CT
CME ClearPort: Sunday 5:00 p.m. - Friday 5:45 p.m. CT with no reporting Monday - Thursday from 5:45 p.m. – 6:00 p.m. CT
Product Code CME Globex: SPO
CME ClearPort: SPO
Open Outcry: SP1
Clearing: SPO
Listed Contracts Quarterly contracts (Mar, Jun, Sep and Dec) listed for 4 consecutive quarters and 2 serial contract months
Termination Of Trading Trading terminates on the Friday prior to the third Wednesday of the contract month.
Position Limits CME Position Limits
Exchange Rulebook CME Chapter 452D
Block Minimum Block Minimum Thresholds
Price Limit Or Circuit Price Limits
Vendor Codes Quote Vendor Symbols Listing
Strike Price Listing Procedures At-the-money strike price plus/minus 20 strike prices in integral increments of 5 basis points (0.05 IMM index points).
Exercise Style American
Settlement Method Deliverable
Underlying Eurodollar Futures

More on SOFR

Learn about SOFR futures and stay informed of developments within the broader ecosystem including the latest cash issuance tied to SOFR.

CME SOFR Futures

    Want to trade this product? 

    Find a broker