Put-Call Ratio (Volume) (150-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

iShares Top 20 U.S. Stocks ETF (TOPT) had 150-Day Put-Call Ratio (Volume) of 0.0000 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1716
Historical Volatility (Parkinson)	0.1288
Implied Volatility (Calls)	0.2517
Implied Volatility (Puts)	0.2597
Implied Volatility (Mean)	0.2557
Put-Call Implied Volatility Ratio	1.0316
Implied Volatility Skew	0.0605
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.2801