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.

Northern Dynasty Minerals, Ltd. (NAK) had 180-Day Put-Call Ratio (Volume) of 0.2273 for 2026-05-14.

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Figures for 2026-05-14

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0851
Historical Volatility (Parkinson)	0.7862
Implied Volatility (Calls)	0.9662
Implied Volatility (Puts)	0.9954
Implied Volatility (Mean)	0.9808
Put-Call Implied Volatility Ratio	1.0301
Implied Volatility Skew	0.0366
Option Statistics
Put-Call Ratio (Volume)	0.2273
Put-Call Ratio (Open Interest)	0.2432