Graniteshares Yieldboost Semiconductor ETF (SEMY)'s 30-day implied volatility (IV30) was 19.8% at the close on October 19, 2026, down from 20.3% the day before, against a 52-week range of 14.7% to 25.7%. Its 20-day historical volatility was 15.8%.
Data as of October 19, 2026.