Option chain for Main Street Capital (MAIN): calls and puts for every expiration and strike, with quotes, volume, open interest, implied volatility and greeks. As of Nov 6, 2026, MAIN had 6 option expirations, from Nov 20, 2026 to Jan 19, 2029, and 137 contracts traded that day. The nearest expiration, Nov 20, 2026, had an at-the-money implied volatility of 20.5% (-3% on the day) and 27 contracts traded; the busiest was Dec 18, 2026, with 79.

For the latest figures, see MAIN options overview.

Key numbers

Expirations: at-the-money implied volatility, change on the day, volume

Nov 20, 2026 (14 days): ATM IV 20.5% (-3%), volume 27
Dec 18, 2026 (42 days): ATM IV 19.7% (-3%), volume 79
Mar 19, 2027 (133 days): ATM IV 20.3% (-8%), volume 15
Jun 17, 2027 (223 days): ATM IV 22.3% (-6%), volume 6
Jan 21, 2028 (441 days): ATM IV 21.5% (+8%), volume 0
Jan 19, 2029 (805 days): ATM IV 19.9% (+3%), volume 10

Data as of November 6, 2026.

MAIN Option Chain

Detailed and comprehensive option chain for each expiration listed for MAIN. Includes volume, open interest, implied volatility, and bid/ask for each strike. Investigate further by clicking on a strike and seeing trade activity, volatility movement, and yesterday's closing values. Use the built-in options profit calculator to see the profit or loss of any MAIN options strategy.

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