Put-Call Ratio (Volume) (30-Day)

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

Canadian National Railway Company (CNI) had 30-Day Put-Call Ratio (Volume) of 49.4198 for 2026-01-13.

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Figures for 2026-01-13

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2368
Historical Volatility (Parkinson)	0.1937
Implied Volatility (Calls)	0.2642
Implied Volatility (Puts)	0.2598
Implied Volatility (Mean)	0.2620
Put-Call Implied Volatility Ratio	0.9837
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	49.4198
Put-Call Ratio (Open Interest)	0.6095