ProShares Ultra Nasdaq Biotechnology (BIB)

Last Closing Price: 83.08 (2026-06-04)

Put-Call Implied Volatility Ratio (120-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

ProShares Ultra Nasdaq Biotechnology (BIB) had 120-Day Put-Call Implied Volatility Ratio of 1.1390 for 2026-06-04.