Put-Call Ratio (Volume) (20-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

ProShares UltraShort Bloomberg Crude Oil (SCO) had 20-Day Put-Call Ratio (Volume) of 3.7176 for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2991
Historical Volatility (Parkinson)	0.3092
Implied Volatility (Calls)	0.7002
Implied Volatility (Puts)	0.6242
Implied Volatility (Mean)	0.6622
Put-Call Implied Volatility Ratio	0.8914
Implied Volatility Skew	0.0733
Option Statistics
Put-Call Ratio (Volume)	3.7176
Put-Call Ratio (Open Interest)	0.7930