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 Ultra S&P500 (SSO) had 20-Day Put-Call Ratio (Volume) of 1.3590 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1894
Historical Volatility (Parkinson)	0.1639
Implied Volatility (Calls)	0.3699
Implied Volatility (Puts)	0.2766
Implied Volatility (Mean)	0.3232
Put-Call Implied Volatility Ratio	0.7479
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	1.3590
Put-Call Ratio (Open Interest)	0.4918