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.

Northern Dynasty Minerals, Ltd. (NAK) had 30-Day Put-Call Ratio (Volume) of 0.0210 for 2025-09-15.

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Figures for 2025-09-15

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4437
Historical Volatility (Parkinson)	0.4789
Implied Volatility (Calls)	1.1939
Implied Volatility (Puts)	1.3049
Implied Volatility (Mean)	1.2494
Put-Call Implied Volatility Ratio	1.0930
Implied Volatility Skew	0.1093
Option Statistics
Put-Call Ratio (Volume)	0.0210
Put-Call Ratio (Open Interest)	0.0498