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Eurodollar Calendar Spread Options Contract Specs

Options
Minimum Price Fluctuation Quoted in IMM Index points.
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.
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: MON - FRI: 7:20 a.m. - 2:00 p.m.
CME ClearPort: 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
Product Code CME Globex: SPO
CME ClearPort: SPO
Open Outcry: SP1
Clearing: SPO
Listed Contracts Four consecutive expiries in the Mar, Jun, Sep and Dec quarterly cycle plus two serial expiries not in the quarterly cycle.
Termination Of Trading 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 Options are American Style and are exercised by notifying the Clearing House by 7:00 p.m. CT on the day of exercise. Unexercised options shall expire at 7:00 p.m. CT on the last trading day. In-the-money options that have not been exercised shall be automatically exercised following expiration in the absence of contrary instructions.
In-the-money ED CSOs shall settle by exercising into the underlying Eurodollar futures spread at the price differential determined by the option strike. For example, an ED CSO call option with a strike price of .75 exercises into a long nearby ED futures and a short deferred ED futures at a price .75 lower than that of the nearby futures. For an ED CSO put option with a strike price of .75, the option exercises into a short nearby ED futures and a long deferred ED futures at a price .75 lower than that of the nearby futures.
Settlement Method Deliverable
Underlying Eurodollar Futures