Put-Call Ratio (Volume) (120-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Ero Copper Corp. (ERO) had 120-Day Put-Call Ratio (Volume) of 0.3672 for 2026-01-08.

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Figures for 2026-01-08

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4865
Historical Volatility (Parkinson)	0.4450
Implied Volatility (Calls)	0.5363
Implied Volatility (Puts)	0.5434
Implied Volatility (Mean)	0.5399
Put-Call Implied Volatility Ratio	1.0133
Implied Volatility Skew	-0.0076
Option Statistics
Put-Call Ratio (Volume)	0.3672
Put-Call Ratio (Open Interest)	0.1222