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 Ultra S&P500 (SSO) had 90-Day Put-Call Ratio (Open Interest) of 0.4864 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2181
Historical Volatility (Parkinson)	0.1586
Implied Volatility (Calls)	0.3011
Implied Volatility (Puts)	0.2818
Implied Volatility (Mean)	0.2915
Put-Call Implied Volatility Ratio	0.9358
Implied Volatility Skew	0.1286
Option Statistics
Put-Call Ratio (Volume)	1.1571
Put-Call Ratio (Open Interest)	0.4864