Put-Call Ratio (Open Interest) (20-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Allegiant Travel Company (ALGT) had 20-Day Put-Call Ratio (Open Interest) of 1.1956 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5259
Historical Volatility (Parkinson)	0.4859
Implied Volatility (Calls)	0.6854
Implied Volatility (Puts)	0.6477
Implied Volatility (Mean)	0.6666
Put-Call Implied Volatility Ratio	0.9451
Implied Volatility Skew	0.0239
Option Statistics
Put-Call Ratio (Volume)	0.6364
Put-Call Ratio (Open Interest)	1.1956