Sionna Therapeutics (SION)'s 30-day implied volatility (IV30) was 71.2% at the close on November 9, 2026, down from 87.3% the day before, against a 52-week range of 58.3% to 318.6%. Its 20-day historical volatility was 84.5%.

Key numbers

30-day implied volatility (IV30): 71.2%
IV30 52-week range: 58.3% to 318.6% (median 79.6%)
Historical volatility: 20-day 84.5%, 1-year 84.2%
Implied move by the nearest expiration: ±5.3%

Data as of November 9, 2026.

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

Name: SION Implied Volatility
Creator: Market Chameleon