Quantum-Si - Class A (QSI)'s 30-day implied volatility (IV30) was 153.5% at the close on October 23, 2026, up from 126.3% the day before, against a 52-week range of 54.8% to 208.5%. Its 20-day historical volatility was 143.7%.

Key numbers

30-day implied volatility (IV30): 153.5%
IV30 52-week range: 54.8% to 208.5% (median 92.3%)
Historical volatility: 20-day 143.7%, 1-year 90.7%
Implied move by the nearest expiration: ±6.9%

Data as of October 23, 2026.

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

Name: QSI Implied Volatility
Creator: Market Chameleon