Put-Call Ratio (Open Interest) (20-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 UltraShort S&P500 (SDS) had 20-Day Put-Call Ratio (Open Interest) of 0.3711 for 2026-09-03.

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Figures for 2026-09-03

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1775
Historical Volatility (Parkinson)	0.1154
Implied Volatility (Calls)	0.2702
Implied Volatility (Puts)	0.2320
Implied Volatility (Mean)	0.2511
Put-Call Implied Volatility Ratio	0.8585
Implied Volatility Skew	0.0604
Option Statistics
Put-Call Ratio (Volume)	0.2480
Put-Call Ratio (Open Interest)	0.3711