State Street SPDR Bloomberg Convertible Securities ETF (CWB)'s 30-day implied volatility (IV30) was 27.2% at the close on November 5, 2026, up from 19.7% the day before, against a 52-week range of 9.9% to 26.6%. Its 20-day historical volatility was 21.0%.

Key numbers

30-day implied volatility (IV30): 27.2%
IV30 52-week range: 9.9% to 26.6% (median 17.4%)
Historical volatility: 20-day 21.0%, 1-year 19.8%
Implied move by the nearest expiration: ±1.1%

Data as of November 5, 2026.

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

Name: CWB Implied Volatility
Creator: Market Chameleon