Tecogen (TGEN)'s 30-day implied volatility (IV30) was 118.5% at the close on October 27, 2026, up from 108.3% the day before, against a 52-week range of 83.4% to 187.0%. Its 20-day historical volatility was 116.4%.

Key numbers

30-day implied volatility (IV30): 118.5%
IV30 52-week range: 83.4% to 187.0% (median 115.2%)
Historical volatility: 20-day 116.4%, 1-year 109.9%
Implied move by the nearest expiration: ±6.8%

Data as of October 27, 2026.

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

Name: TGEN Implied Volatility
Creator: Market Chameleon