|E-mini S&P 500 Options
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|Contract Size||One E-mini S&P 500 futures contract|
|Strike Price Interval||25-point intervals within ± 50% previous day’s settlement price of the underlying futures
10-point intervals within ± 20% previous day’s settlement price of the underlying futures
Once the contract becomes the second nearest contract, 5-point intervals within ± 10% previous day’s settlement price of the underlying futures will be available
|Tick Size (minimum fluctuation)||OUTRIGHT||0.25=$12.50 for premium >5.00|
|REDUCED TICK||0.05=$2.50 for premium < or =5.00|
All time listed are Central Time
|CME Globex||MON – FRI: 5:00 p.m. previous day – 4:15 p.m.; trading halt from 3:15 p.m. – 3:30 p.m.|
|Contract Months||Four months in the March Quarterly Cycle (Mar, Jun, Sep, Dec)
Three Serial Months (i.e., Jan, Feb, Apr)
|Last Trade Date/Time
|CME Globex (Electronic Platform)
||QUARTERLY: 8:30 a.m. / 3rd Friday of the contract month
SERIAL: 4:15 p.m. / 3rd Friday of the contract month
|Strike Listing||CME Globex (Electronic Platform)||All strike intervals|
|Exercise Procedure||American Style.|
|Expiration Date Procedure||An option can be exercised until 7:00 p.m. on any business day the option is traded.
QUARTERLY OPTIONS - Unexercised in-the-money options will be automatically exercised at 7:00 p.m. on the day of determination of the Final Settlement Price.
SERIAL OPTIONS - Unexercised in-the-money options will be automatically exercised at 7:00 p.m. on Serial Option expiration day.
|Settlement at Expiration||Option exercise results in a position in the underlying cash-settled Futures contract. Options which are in-the-money on the last day of trading are automatically exercised.
In-the-money QUARTERLY OPTIONS, in the absence of contrary instructions delivered to the Clearing House by 7:00 p.m. on the day of the expiration, are exercised automatically into expiring cash-settled futures, which settle to the SOQ calculated the morning of the 3rd Friday of the contract month.
In-the-money SERIAL OPTIONS, in the absence of contrary instructions delivered to the Clearing House by 7:00 p.m. on the day of the expiration, shall be exercised automatically on serial option expiration day.
|Daily Price Limits||Option trading is not permitted during trading halts due to price limit events.
View price limits details.
|Position Limits||See: CME Rulebook Chapter 5 - POSITION LIMIT, POSITION ACCOUNTABILITY AND REPORTABLE LEVEL TABLE|
|Block Trade Eligibility||No. View more on block-trade eligible contracts.|
|Rulebook Chapter||358 A|
|Exchange Rule||These contracts are listed with, and subject to, the rules and regulations of CME.|