Put-Call Ratio (Open Interest) (30-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 S&P500 (SSO) had 30-Day Put-Call Ratio (Open Interest) of 0.7728 for 2026-04-20.

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Figures for 2026-04-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3554
Historical Volatility (Parkinson)	0.2323
Implied Volatility (Calls)	0.2984
Implied Volatility (Puts)	0.3160
Implied Volatility (Mean)	0.3072
Put-Call Implied Volatility Ratio	1.0590
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	1.7986
Put-Call Ratio (Open Interest)	0.7728