Put-Call Ratio (Open Interest) (150-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

NioCorp Developments Ltd. (NB) had 150-Day Put-Call Ratio (Open Interest) of 0.0787 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0617
Historical Volatility (Parkinson)	1.0160
Implied Volatility (Calls)	1.1610
Implied Volatility (Puts)	1.1857
Implied Volatility (Mean)	1.1733
Put-Call Implied Volatility Ratio	1.0212
Implied Volatility Skew	-0.0267
Option Statistics
Put-Call Ratio (Volume)	0.8231
Put-Call Ratio (Open Interest)	0.0787