About CME S&P MidCap 400 Options

Contract Size
The size of one CME S&P MidCap 400^® options on futures contract is one CME S&P MidCap 400 futures contract. CME S&P MidCap 400 options are listed four months in the March quarterly cycle. The contract moves in ticks of 0.05 index points or $25 per contract. Strike prices (price at which the options contract can be exercised by the holder) are offered in 2.5-point intervals for the two nearest contracts and 5-point intervals for deferred months.

Underlying Index
The S&P MidCap 400 is now the most widely used index for mid-sized companies. Today, mid-caps are being recognized as an independent asset class, with risk/reward profiles that differ considerably from both large-caps and small-caps. The S&P MidCap 400 covers approximately 7 percent of the U.S. equities market, and is part of a series of S&P U.S. indices that can be used as building blocks for portfolio construction.

For a complete list of stocks in the index and Index methodology, visit the Standard & Poor’s Web site.