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 5.6927 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7044
Historical Volatility (Parkinson)	0.5255
Implied Volatility (Calls)	1.2450
Implied Volatility (Puts)	0.8828
Implied Volatility (Mean)	1.0639
Put-Call Implied Volatility Ratio	0.7090
Implied Volatility Skew	0.2568
Option Statistics
Put-Call Ratio (Volume)	5.6927
Put-Call Ratio (Open Interest)	1.0723