NPK International (NPKI)'s 30-day implied volatility (IV30) was 47.6% at the close on October 16, 2026, up from 44.5% the day before, against a 52-week range of 23.4% to 54.2%. Its 20-day historical volatility was 40.4%.
Key numbers
30-day implied volatility (IV30): 47.6%
IV30 52-week range: 23.4% to 54.2% (median 39.0%)
Historical volatility: 20-day 40.4%, 1-year 43.4%
Implied move by the nearest expiration: ±2.5%
Data as of October 16, 2026.
NPKI Implied Volatility (IV) vs Historical Volatility (HV)
The NPKI IV term structure shows the implied volatility difference between different maturity dates.