iShares 25+ Year Treasury Strips Bond ETF (GOVZ)'s 30-day implied volatility (IV30) was 18.5% at the close on November 5, 2026, up from 16.8% the day before, against a 52-week range of 12.0% to 22.2%. Its 20-day historical volatility was 19.9%.
Data as of November 5, 2026.