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 3.8762 for 2025-12-17.

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Figures for 2025-12-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2580
Historical Volatility (Parkinson)	0.2686
Implied Volatility (Calls)	0.4106
Implied Volatility (Puts)	0.3793
Implied Volatility (Mean)	0.3949
Put-Call Implied Volatility Ratio	0.9239
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	3.8762
Put-Call Ratio (Open Interest)	0.9069