Put-Call Ratio (Open Interest) (120-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.

Invesco S&P SmallCap Health Care ETF (PSCH) had 120-Day Put-Call Ratio (Open Interest) of 0.0000 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1897
Historical Volatility (Parkinson)	0.1446
Implied Volatility (Calls)	0.2503
Implied Volatility (Puts)	0.2511
Implied Volatility (Mean)	0.2507
Put-Call Implied Volatility Ratio	1.0033
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0000