Northern Dynasty Minerals, Ltd. (NAK)

Last Closing Price: 0.87 (2025-09-15)

Put-Call Implied Volatility Ratio (30-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

Northern Dynasty Minerals, Ltd. (NAK) had 30-Day Put-Call Implied Volatility Ratio of 1.0930 for 2025-09-15.