Put-Call Implied Volatility Ratio (20-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

Grupo Aeroportuario del Centro Norte S.A.B. de C.V. (OMAB) had 20-Day Put-Call Implied Volatility Ratio of 0.9216 for 2025-12-02.

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2025-12-02

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2545
Historical Volatility (Parkinson)	0.2777
Implied Volatility (Calls)	0.3602
Implied Volatility (Puts)	0.3320
Implied Volatility (Mean)	0.3461
Put-Call Implied Volatility Ratio	0.9216
Implied Volatility Skew	0.0400
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	1.5783