Put-Call Ratio (Volume) (20-Day)

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

Keros Therapeutics, Inc. (KROS) 20-Day Put-Call Ratio (Volume) data is not available for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5332
Historical Volatility (Parkinson)	0.4225
Implied Volatility (Calls)	1.0990
Implied Volatility (Puts)	1.0860
Implied Volatility (Mean)	1.0925
Put-Call Implied Volatility Ratio	0.9881
Implied Volatility Skew	0.0779
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	1.4706