Put-Call Ratio (Volume) (150-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 150-Day Put-Call Ratio (Volume) of 0.2710 for 2025-09-12.

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Figures for 2025-09-12

Volatility Metrics
Historical Volatility (Close-to-Close)	1.2769
Historical Volatility (Parkinson)	1.1773
Implied Volatility (Calls)	1.2799
Implied Volatility (Puts)	1.1095
Implied Volatility (Mean)	1.1947
Put-Call Implied Volatility Ratio	0.8669
Implied Volatility Skew	-0.0369
Option Statistics
Put-Call Ratio (Volume)	0.2710
Put-Call Ratio (Open Interest)	0.3322