Rio Tinto PLC (RIO)'s 30-day implied volatility (IV30) was 29.9% at the close on October 23, 2026, up from 29.4% the day before, against a 52-week range of 21.5% to 40.7%. Its 20-day historical volatility was 26.8%.
Key numbers
30-day implied volatility (IV30): 29.9%
IV30 52-week range: 21.5% to 40.7% (median 30.8%)
Historical volatility: 20-day 26.8%, 1-year 31.0%
Implied move by the nearest expiration: ±1.9%
Data as of October 23, 2026.
RIO Implied Volatility (IV) vs Historical Volatility (HV)
The RIO IV term structure shows the implied volatility difference between different maturity dates.
