Costco Wholesale (COST)'s 30-day implied volatility (IV30) was 23.7% at the close on November 11, 2026, up from 23.2% the day before, against a 52-week range of 17.6% to 30.0%. Its 20-day historical volatility was 25.0%.

Key numbers

30-day implied volatility (IV30): 23.7%
IV30 52-week range: 17.6% to 30.0% (median 22.3%)
Historical volatility: 20-day 25.0%, 1-year 21.2%
Implied move by the nearest expiration: ±1.3%

Data as of November 11, 2026.

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

Name: COST Implied Volatility
Creator: Market Chameleon