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.

Cardiol Therapeutics Inc. (CRDL) 20-Day Put-Call Ratio (Volume) data is not available for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5369
Historical Volatility (Parkinson)	0.6957
Implied Volatility (Calls)	4.0084
Implied Volatility (Puts)	4.0211
Implied Volatility (Mean)	4.0148
Put-Call Implied Volatility Ratio	1.0032
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0000