Put-Call Ratio (Volume) (20-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 20-Day Put-Call Ratio (Volume) of 0.0744 for 2026-03-27.

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Figures for 2026-03-27

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8861
Historical Volatility (Parkinson)	0.7694
Implied Volatility (Calls)	1.1389
Implied Volatility (Puts)	1.3567
Implied Volatility (Mean)	1.2478
Put-Call Implied Volatility Ratio	1.1912
Implied Volatility Skew	0.0207
Option Statistics
Put-Call Ratio (Volume)	0.0744
Put-Call Ratio (Open Interest)	0.1324