Put-Call Ratio (Volume) (10-Day)

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

Kaiser Aluminum Corporation (KALU) had 10-Day Put-Call Ratio (Volume) of 1.0000 for 2026-08-28.

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Figures for 2026-08-28

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3173
Historical Volatility (Parkinson)	0.3674
Implied Volatility (Calls)	0.4287
Implied Volatility (Puts)	0.4676
Implied Volatility (Mean)	0.4481
Put-Call Implied Volatility Ratio	1.0907
Implied Volatility Skew	0.0311
Option Statistics
Put-Call Ratio (Volume)	1.0000
Put-Call Ratio (Open Interest)	0.2622