State Street SPDR Bloomberg International Treasury Bond ETF (BWX)'s 30-day implied volatility (IV30) was 13.4% at the close on November 2, 2026, down from 13.6% the day before, against a 52-week range of 6.6% to 15.2%. Its 20-day historical volatility was 7.5%.
Data as of November 2, 2026.