Vistagen Therapeutics (VTGN)'s 30-day implied volatility (IV30) was 93.4% at the close on October 23, 2026, up from 81.1% the day before, against a 52-week range of 52.8% to 400.0%. Its 20-day historical volatility was 91.5%.

Key numbers

30-day implied volatility (IV30): 93.4%
IV30 52-week range: 52.8% to 400.0% (median 95.2%)
Historical volatility: 20-day 91.5%, 1-year 95.3%
Implied move by the nearest expiration: ±5.1%

Data as of October 23, 2026.

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

Name: VTGN Implied Volatility
Creator: Market Chameleon