Vaneck Oil Refiners ETF (CRAK)'s 30-day implied volatility (IV30) was 34.8% at the close on October 23, 2026, up from 34.3% the day before, against a 52-week range of 13.4% to 35.9%. Its 20-day historical volatility was 23.4%.
Data as of October 23, 2026.