Put-Call Ratio (Open Interest) (60-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

ProShares Ultra Nasdaq Biotechnology (BIB) had 60-Day Put-Call Ratio (Open Interest) of 0.4477 for 2025-12-26.

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Figures for 2025-12-26

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3553
Historical Volatility (Parkinson)	0.2845
Implied Volatility (Calls)	0.4480
Implied Volatility (Puts)	0.4133
Implied Volatility (Mean)	0.4306
Put-Call Implied Volatility Ratio	0.9227
Implied Volatility Skew	0.0548
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.4477