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.

Perpetua Resources Corp. (PPTA) had 120-Day Put-Call Ratio (Open Interest) of 0.5237 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7172
Historical Volatility (Parkinson)	0.7059
Implied Volatility (Calls)	0.7839
Implied Volatility (Puts)	0.8036
Implied Volatility (Mean)	0.7937
Put-Call Implied Volatility Ratio	1.0252
Implied Volatility Skew	0.0017
Option Statistics
Put-Call Ratio (Volume)	2.7131
Put-Call Ratio (Open Interest)	0.5237