York Water Company (YORW)'s 30-day implied volatility (IV30) was 23.1% at the close on October 26, 2026, down from 25.3% the day before, against a 52-week range of 15.7% to 27.3%. Its 20-day historical volatility was 25.8%.

Key numbers

30-day implied volatility (IV30): 23.1%
IV30 52-week range: 15.7% to 27.3% (median 22.7%)
Historical volatility: 20-day 25.8%, 1-year 24.1%
Implied move by the nearest expiration: ±1.6%

Data as of October 26, 2026.

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

Name: YORW Implied Volatility
Creator: Market Chameleon