Put-Call Ratio (Volume) (180-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 180-Day Put-Call Ratio (Volume) of 0.7876 for 2026-05-21.

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Figures for 2026-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4101
Historical Volatility (Parkinson)	0.3549
Implied Volatility (Calls)	0.4314
Implied Volatility (Puts)	0.4623
Implied Volatility (Mean)	0.4469
Put-Call Implied Volatility Ratio	1.0716
Implied Volatility Skew	0.0060
Option Statistics
Put-Call Ratio (Volume)	0.7876
Put-Call Ratio (Open Interest)	1.2756