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.

Cartesian Therapeutics, Inc. (RNAC) had 20-Day Put-Call Ratio (Volume) of 0.0050 for 2026-04-20.

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Figures for 2026-04-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7157
Historical Volatility (Parkinson)	0.6771
Implied Volatility (Calls)	1.1768
Implied Volatility (Puts)	2.6083
Implied Volatility (Mean)	1.8926
Put-Call Implied Volatility Ratio	2.2165
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0050
Put-Call Ratio (Open Interest)	0.0180