Hallador Energy Company (HNRG)'s 30-day implied volatility (IV30) was 64.7% at the close on October 27, 2026, down from 67.6% the day before, against a 52-week range of 38.4% to 106.8%. Its 20-day historical volatility was 74.6%.

Key numbers

30-day implied volatility (IV30): 64.7%
IV30 52-week range: 38.4% to 106.8% (median 62.9%)
Historical volatility: 20-day 74.6%, 1-year 63.5%
Implied move by the nearest expiration: ±4.3%

Data as of October 27, 2026.

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

Name: HNRG Implied Volatility
Creator: Market Chameleon