Index Options

This section covers most active index options. By far the most liquid index options are those on S&P500 (SPX) and VIX.

Most index options are European exercise style, but a few are American (for instance, OEX = S&P100 index options).

Index Options Volume

This page is an overview of index options trading volume on US exchanges. The tables below show daily average options trading volume by index option symbol in each year. The data includes volume from the CBOE group of options exchanges (CBOE, BATS, C2, EDGX). See also most active stocks and ETFs by options volume. **Index Options Volume in 2026.** Average number of option contracts traded per day, [more ...]

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