Put-Call Ratio (Volume) (90-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 90-Day Put-Call Ratio (Volume) of 0.9018 for 2026-09-18.

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Figures for 2026-09-18

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3048
Historical Volatility (Parkinson)	0.2599
Implied Volatility (Calls)	0.3963
Implied Volatility (Puts)	0.3956
Implied Volatility (Mean)	0.3960
Put-Call Implied Volatility Ratio	0.9982
Implied Volatility Skew	0.0142
Option Statistics
Put-Call Ratio (Volume)	0.9018
Put-Call Ratio (Open Interest)	1.4118