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 0.1925 for 2026-02-11.

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Figures for 2026-02-11

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0356
Historical Volatility (Parkinson)	0.9670
Implied Volatility (Calls)	1.3685
Implied Volatility (Puts)	1.4263
Implied Volatility (Mean)	1.3974
Put-Call Implied Volatility Ratio	1.0423
Implied Volatility Skew	-0.1369
Option Statistics
Put-Call Ratio (Volume)	0.1925
Put-Call Ratio (Open Interest)	0.3936