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.

Quest Diagnostics Incorporated (DGX) had 30-Day Put-Call Ratio (Volume) of 0.3304 for 2026-08-20.

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Figures for 2026-08-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3016
Historical Volatility (Parkinson)	0.2669
Implied Volatility (Calls)	0.2497
Implied Volatility (Puts)	0.2044
Implied Volatility (Mean)	0.2271
Put-Call Implied Volatility Ratio	0.8186
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.3304
Put-Call Ratio (Open Interest)	0.3415