Ero Copper Corp. Common Shares (ERO)'s 30-day implied volatility (IV30) was 58.7% at the close on October 23, 2026, down from 65.3% the day before, against a 52-week range of 49.6% to 72.5%. Its 20-day historical volatility was 55.8%.

Key numbers

30-day implied volatility (IV30): 58.7%
IV30 52-week range: 49.6% to 72.5% (median 61.1%)
Historical volatility: 20-day 55.8%, 1-year 63.8%
Implied move by the nearest expiration: ±4.1%

Data as of October 23, 2026.

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

Name: ERO Implied Volatility
Creator: Market Chameleon