Put-Call Ratio (Open Interest) (180-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 180-Day Put-Call Ratio (Open Interest) of 0.1031 for 2025-12-26.

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Figures for 2025-12-26

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3563
Historical Volatility (Parkinson)	0.2599
Implied Volatility (Calls)	0.4507
Implied Volatility (Puts)	0.4562
Implied Volatility (Mean)	0.4534
Put-Call Implied Volatility Ratio	1.0122
Implied Volatility Skew	0.0430
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.1031