Stmicroelectronics Nv Adrhedged (STHH)'s 30-day implied volatility (IV30) was 36.6% at the close on October 15, 2026, down from 48.8% the day before, against a 52-week range of 32.0% to 83.5%. Its 20-day historical volatility was 44.1%.
Data as of October 15, 2026.