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.

Cartesian Therapeutics, Inc. (RNAC) had 180-Day Put-Call Ratio (Volume) of 0.0000 for 2026-04-20.

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Figures for 2026-04-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8397
Historical Volatility (Parkinson)	0.8606
Implied Volatility (Calls)	1.2416
Implied Volatility (Puts)	1.4308
Implied Volatility (Mean)	1.3362
Put-Call Implied Volatility Ratio	1.1524
Implied Volatility Skew	0.1883
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.0122