Put-Call Ratio (Volume) (90-Day)

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

State Street SPDR Portfolio Nasdaq 100 ETF (QNDX) had 90-Day Put-Call Ratio (Volume) of 0.0000 for 2026-08-17.

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Figures for 2026-08-17

Volatility Metrics
Historical Volatility (Close-to-Close)	--
Historical Volatility (Parkinson)	--
Implied Volatility (Calls)	0.1915
Implied Volatility (Puts)	0.3165
Implied Volatility (Mean)	0.2540
Put-Call Implied Volatility Ratio	1.6531
Implied Volatility Skew	-0.0325
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.2381