The Most Active Options page highlights the top 500 symbols (U.S. market) or top 200 symbols (Canadian market) with high options volume.

The Option Volume Leaders page shows equity options with the highest daily volume, with options broken down between stocks and ETFs.

Most Active Options · OHLC Bars · Colored OHLC Bars · HLC Bars · Candlestick Hollow · Candlestick Open-to-Close · Candlestick Close-to-Close · Heikin-Ashi · Line Chart. Most Active Options · Unusual Options Activity · Unusual Stock Options Volume

Most Active All futures ranks best All futures and commodity contracts by the highest daily contract volume. Most Active Indices Futures · Currencies · Energies · Futures News

The Unusual Options Volume page shows the difference between the current volume and the average volume over the past month, highlighting unusual activity.