Miami International Hldgs (MIAX)'s 30-day implied volatility (IV30) was 51.1% at the close on October 21, 2026, down from 52.8% the day before, against a 52-week range of 38.0% to 57.1%. Its 20-day historical volatility was 42.8%.

Key numbers

30-day implied volatility (IV30): 51.1%
IV30 52-week range: 38.0% to 57.1% (median 49.4%)
Historical volatility: 20-day 42.8%, 1-year 45.4%
Implied move by the nearest expiration: ±3.3%

Data as of October 21, 2026.

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

Name: MIAX Implied Volatility
Creator: Market Chameleon