Put-Call Ratio (Open Interest) (90-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 K-1 Free Crude Oil ETF (OILK) had 90-Day Put-Call Ratio (Open Interest) of 0.2857 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2127
Historical Volatility (Parkinson)	0.1302
Implied Volatility (Calls)	0.3347
Implied Volatility (Puts)	0.2923
Implied Volatility (Mean)	0.3135
Put-Call Implied Volatility Ratio	0.8732
Implied Volatility Skew	-0.0127
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.2857