Put-Call Ratio (Open Interest) (20-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 Bitcoin ETF (BITO) had 20-Day Put-Call Ratio (Open Interest) of 0.4882 for 2026-01-07.

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Figures for 2026-01-07

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3372
Historical Volatility (Parkinson)	0.2364
Implied Volatility (Calls)	0.4157
Implied Volatility (Puts)	0.3563
Implied Volatility (Mean)	0.3860
Put-Call Implied Volatility Ratio	0.8570
Implied Volatility Skew	0.0219
Option Statistics
Put-Call Ratio (Volume)	0.5540
Put-Call Ratio (Open Interest)	0.4882