Put-Call Ratio (Open Interest) (10-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 UltraPro S&P500 (UPRO) had 10-Day Put-Call Ratio (Open Interest) of 0.5644 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4124
Historical Volatility (Parkinson)	0.2330
Implied Volatility (Calls)	0.5285
Implied Volatility (Puts)	0.5778
Implied Volatility (Mean)	0.5532
Put-Call Implied Volatility Ratio	1.0933
Implied Volatility Skew	0.3151
Option Statistics
Put-Call Ratio (Volume)	0.9356
Put-Call Ratio (Open Interest)	0.5644