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 0.9455 for 2026-04-06.

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Figures for 2026-04-06

Volatility Metrics
Historical Volatility (Close-to-Close)	2.7091
Historical Volatility (Parkinson)	1.1708
Implied Volatility (Calls)	1.0156
Implied Volatility (Puts)	0.9919
Implied Volatility (Mean)	1.0037
Put-Call Implied Volatility Ratio	0.9767
Implied Volatility Skew	0.1941
Option Statistics
Put-Call Ratio (Volume)	0.1538
Put-Call Ratio (Open Interest)	0.9455