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E-mini S&P 500 Options
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Type
 
E-mini S&P 500 Options
Opening Date 9/9/1997
Ticker Symbol ES
ES= Clearing
View product and vendor codes
Contract Size One E-mini S&P 500 futures contract
Strike Price Interval Deferred months: 25-point intervals and 10-point intervals. Once the contract becomes the second nearest contract, 5-point intervals will be available.
Tick Size (minimum fluctuation) OUTRIGHT 0.25=$12.50 for premium >5.00
HALF TICK 0.05=$2.50 for premium < or =5.00
CAB 0.05=$2.50
Trading Hours
All time listed are Central Time		 CME Globex MON-THURS: 5:00 p.m.-3:15 p.m. & 3:30 p.m.-4:30 p.m.
(Daily maintenance shutdown 4:30 p.m.-5:00 p.m.)
SUN: 5:00 p.m.-3:15 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
View Calendar		 CME Globex (Electronic Platform)
 		 QUARTERLY:  8:30 a.m. / 3rd Friday of the contract month
SERIAL: 3:15 p.m. / 3rd Friday of the contract month
Strike Listing CME Globex (Electronic Platform) All strike intervals
Exercise Procedure American Style.
Expiration Date An option can be exercised until 7:00 p.m. on any business day the option is traded. Unexercised in-the-money options will be automatically exercised at 7:00 p.m.  on the day of determination of the Final Settlement Price.
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 are exercised 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 are exercised into futures at their strike prices at 3:15 p.m. on the 3rd Friday of the contract month.
Daily Price Limits RTH:  Successive 10%, 20%, 30% limits (downside only)
ETH (overnight):  5% up or down
View price limits details.
Position Limits Position limits work in conjunction with existing S&P 500 futures & options limits
Block Trade Eligibility No. View more on block-trade eligibile contracts.
Block Minimum N/A
Rulebook Chapter 358 A
Exchange Rule These contracts are listed with, and subject to, the rules and regulations of CME.