ProShares Big Data Refiners ETF (DAT)

Last Closing Price: 42.65 (2026-01-16)

Implied Volatility Skew (120-Day)

Implied Volatility Skew: A measurement that quantifies the difference in implied volatility of options at lower and higher strike prices.

ProShares Big Data Refiners ETF (DAT) had 120-Day Implied Volatility Skew of -0.0015 for 2026-01-20.