iShares MSCI South Korea ETF (EWY)'s 30-day implied volatility (IV30) was 48.6% at the close on October 27, 2026, down from 50.1% the day before, against a 52-week range of 27.0% to 90.7%. Its 20-day historical volatility was 48.7%.

Key numbers

30-day implied volatility (IV30): 48.6%
IV30 52-week range: 27.0% to 90.7% (median 50.6%)
Historical volatility: 20-day 48.7%, 1-year 56.1%
Implied move by the nearest expiration: ±3.4%

Data as of October 27, 2026.

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

Name: EWY Implied Volatility
Creator: Market Chameleon