Put-Call Ratio (Volume) (30-Day)

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

Invesco QQQ (QQQ) had 30-Day Put-Call Ratio (Volume) of 2.3045 for 2026-05-21.

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Figures for 2026-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1708
Historical Volatility (Parkinson)	0.1282
Implied Volatility (Calls)	0.2102
Implied Volatility (Puts)	0.2056
Implied Volatility (Mean)	0.2079
Put-Call Implied Volatility Ratio	0.9781
Implied Volatility Skew	0.0728
Option Statistics
Put-Call Ratio (Volume)	2.3045
Put-Call Ratio (Open Interest)	1.6355