Put-Call Ratio (Open Interest) (180-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.

iShares Top 20 U.S. Stocks ETF (TOPT) had 180-Day Put-Call Ratio (Open Interest) of 0.2739 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1258
Historical Volatility (Parkinson)	0.1110
Implied Volatility (Calls)	0.2602
Implied Volatility (Puts)	0.2374
Implied Volatility (Mean)	0.2488
Put-Call Implied Volatility Ratio	0.9121
Implied Volatility Skew	0.0806
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.2739