State Street SPDR Bloomberg Convertible Securities ETF (CWB)'s 30-day implied volatility (IV30) was 23.0% at the close on November 6, 2026, down from 27.2% the day before, against a 52-week range of 9.9% to 27.2%. Its 20-day historical volatility was 22.5%.

Key numbers

30-day implied volatility (IV30): 23.0%
IV30 52-week range: 9.9% to 27.2% (median 17.4%)
Historical volatility: 20-day 22.5%, 1-year 19.9%
Implied move by the nearest expiration: ±1.7%

Data as of November 6, 2026.

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

Name: CWB Implied Volatility
Creator: Market Chameleon