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.

CeriBell, Inc. (CBLL) had 180-Day Put-Call Ratio (Volume) of 0.0000 for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5597
Historical Volatility (Parkinson)	0.4775
Implied Volatility (Calls)	0.6526
Implied Volatility (Puts)	0.6807
Implied Volatility (Mean)	0.6666
Put-Call Implied Volatility Ratio	1.0430
Implied Volatility Skew	0.0440
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.0136