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.

Abbott Laboratories (ABT) had 20-Day Put-Call Ratio (Open Interest) of 1.6909 for 2026-07-21.

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Figures for 2026-07-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5355
Historical Volatility (Parkinson)	0.2958
Implied Volatility (Calls)	0.2976
Implied Volatility (Puts)	0.2758
Implied Volatility (Mean)	0.2867
Put-Call Implied Volatility Ratio	0.9269
Implied Volatility Skew	0.0850
Option Statistics
Put-Call Ratio (Volume)	0.5002
Put-Call Ratio (Open Interest)	1.6909