Put-Call Ratio (Volume) (90-Day)

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

Cardiol Therapeutics Inc. (CRDL) 90-Day Put-Call Ratio (Volume) data is not available for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7167
Historical Volatility (Parkinson)	0.7238
Implied Volatility (Calls)	3.0680
Implied Volatility (Puts)	2.9747
Implied Volatility (Mean)	3.0213
Put-Call Implied Volatility Ratio	0.9696
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0137