Main Street Capital (MAIN) options traded 250 contracts on October 22, 2026 (101 calls and 149 puts, a put/call ratio of 1.48), compared with a 30-day average of 557. Options price a move of about ±1.3% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 20.3%
Implied move by the nearest expiration: ±1.3%
Option volume: 250 contracts (101 calls, 149 puts); 30-day average 557

Data as of October 22, 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.

▲ Close