Put-Call Ratio (Volume) (20-Day)

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

Quest Diagnostics Incorporated (DGX) had 20-Day Put-Call Ratio (Volume) of 0.4138 for 2026-05-21.

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Figures for 2026-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1771
Historical Volatility (Parkinson)	0.2036
Implied Volatility (Calls)	0.2309
Implied Volatility (Puts)	0.2548
Implied Volatility (Mean)	0.2428
Put-Call Implied Volatility Ratio	1.1034
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.4138
Put-Call Ratio (Open Interest)	2.5954