Put-Call Ratio (Volume) (180-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Keros Therapeutics, Inc. (KROS) 180-Day Put-Call Ratio (Volume) data is not available for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5196
Historical Volatility (Parkinson)	0.4603
Implied Volatility (Calls)	0.7861
Implied Volatility (Puts)	0.8654
Implied Volatility (Mean)	0.8257
Put-Call Implied Volatility Ratio	1.1008
Implied Volatility Skew	0.0941
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	1.4984