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.

Delta Air Lines, Inc. (DAL) had 20-Day Put-Call Ratio (Volume) of 1.3839 for 2025-08-01.

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Figures for 2025-08-01

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3013
Historical Volatility (Parkinson)	0.2674
Implied Volatility (Calls)	0.3973
Implied Volatility (Puts)	0.3987
Implied Volatility (Mean)	0.3980
Put-Call Implied Volatility Ratio	1.0035
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	1.3839
Put-Call Ratio (Open Interest)	1.1470