iShares 1-3 Year Treasury Bond ETF (SHY)'s 30-day implied volatility (IV30) was 2.8% at the close on October 28, 2026, up from 2.0% the day before, against a 52-week range of 1.0% to 5.3%. Its 20-day historical volatility was 1.7%.
Data as of October 28, 2026.