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.

Kodiak Sciences Inc. (KOD) had 20-Day Put-Call Ratio (Open Interest) of 0.1447 for 2026-02-20.

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Figures for 2026-02-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.9166
Historical Volatility (Parkinson)	0.8727
Implied Volatility (Calls)	1.1166
Implied Volatility (Puts)	1.1903
Implied Volatility (Mean)	1.1535
Put-Call Implied Volatility Ratio	1.0660
Implied Volatility Skew	0.0009
Option Statistics
Put-Call Ratio (Volume)	0.7073
Put-Call Ratio (Open Interest)	0.1447