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S&P MidCap 400 Options
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Type
 
S&P MidCap 400 Options
Opening Date 2/13/1992
Ticker Symbol MD (Calls and Puts)
MD= Clearing
View product and vendor codes
Contract Size One S&P MidCap 400 contract
Strike Price Intervals Deferred month: 5-point intervals. Once the contract becomes the second nearest contract, 2.5-point intervals will be available
Tick Size (minimum fluctuation) OUTRIGHT 0.05=$25.00
CAB 0.025=$12.50
Trading Hours
All time listed are Central Time		 Open Outcry MON-FRI: 8:30 a.m. – 3:15 p.m.
Contract Months
View Listings		 Open Outcry Four months in the March Quarterly Cycle (Mar, Jun, Sep, Dec) Plus Two Serial Months (i.e., Jan, Feb)
Last Trade Date/Time
View Calendar		 Open Outcry QUARTERLY:  3:15 p.m. / Thursday prior to 3rd Friday of the contract month
SERIAL: 3:15 p.m. / 3rd Friday of the contract month
Strike Listing Open Outcry All strikes interval
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 day of determination of the Final Settlement Price.
FLEX Options are also available
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)
View price limits details.
Position Limits 5,000 futures equivalent contract net on same side of market in all contract months combined
Block Trade Eligibility Yes. View more on block-trade eligibile contracts.
Block Minimum 250 contracts
Rulebook Chapter 353A
Exchange Rule These contracts are listed with, and subject to, the rules and regulations of CME.