Put-Call Ratio (Open Interest) (120-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 120-Day Put-Call Ratio (Open Interest) of 0.3451 for 2026-09-01.

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Figures for 2026-09-01

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8113
Historical Volatility (Parkinson)	0.6603
Implied Volatility (Calls)	0.9902
Implied Volatility (Puts)	0.9183
Implied Volatility (Mean)	0.9543
Put-Call Implied Volatility Ratio	0.9274
Implied Volatility Skew	-0.0023
Option Statistics
Put-Call Ratio (Volume)	0.0885
Put-Call Ratio (Open Interest)	0.3451