iShares U.S. Telecommunications ETF (IYZ)'s 30-day implied volatility (IV30) was 23.9% at the close on October 22, 2026, up from 21.4% the day before, against a 52-week range of 12.0% to 28.3%. Its 20-day historical volatility was 22.0%.
Data as of October 22, 2026.