Put-Call Ratio (Open Interest) (30-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 30-Day Put-Call Ratio (Open Interest) of 0.4184 for 2025-09-12.

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Figures for 2025-09-12

Volatility Metrics
Historical Volatility (Close-to-Close)	1.2718
Historical Volatility (Parkinson)	1.0402
Implied Volatility (Calls)	0.9019
Implied Volatility (Puts)	0.7692
Implied Volatility (Mean)	0.8356
Put-Call Implied Volatility Ratio	0.8528
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0446
Put-Call Ratio (Open Interest)	0.4184