New Mountain Finance (NMFC)'s 30-day implied volatility (IV30) was 25.4% at the close on October 23, 2026, up from 19.3% the day before, against a 52-week range of 14.7% to 39.1%. Its 20-day historical volatility was 25.5%.

Key numbers

30-day implied volatility (IV30): 25.4%
IV30 52-week range: 14.7% to 39.1% (median 23.1%)
Historical volatility: 20-day 25.5%, 1-year 25.3%
Implied move by the nearest expiration: ±1.2%

Data as of October 23, 2026.

NMFC Implied Volatility (IV) vs Historical Volatility (HV)

Name: NMFC Implied Volatility
Creator: Market Chameleon