Main Street Capital (MAIN) options traded 905 contracts on October 30, 2026 (832 calls and 73 puts, a put/call ratio of 0.09), compared with a 30-day average of 492. Options price a move of about ±1.3% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 24.3%
Implied move by the nearest expiration: ±1.3%
Option volume: 905 contracts (832 calls, 73 puts); 30-day average 492

Data as of October 30, 2026.

MAIN Option Breakdown

A breakdown of key statistics for each option expiration listed for MAIN. View implied volatility, volatility skew, volume, open interest, straddle premiums, and liquidity -- including bid/ask spread and NBBO bid/ask sizes. Includes links to the option chain, as well as numerous detailed charts.

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