ProShares UltraShort Nasdaq Biotechnology (BIS)

Last Closing Price: 9.21 (2026-01-20)

Implied Volatility Skew (60-Day)

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

ProShares UltraShort Nasdaq Biotechnology (BIS) had 60-Day Implied Volatility Skew of 0.0623 for 2026-01-20.