Put-Call Ratio (Volume) (30-Day)

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

Century Aluminum Company (CENX) had 30-Day Put-Call Ratio (Volume) of 0.7290 for 2026-06-05.

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Figures for 2026-06-05

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7438
Historical Volatility (Parkinson)	0.6595
Implied Volatility (Calls)	0.8574
Implied Volatility (Puts)	0.7802
Implied Volatility (Mean)	0.8188
Put-Call Implied Volatility Ratio	0.9100
Implied Volatility Skew	0.1056
Option Statistics
Put-Call Ratio (Volume)	0.7290
Put-Call Ratio (Open Interest)	0.4835