Put-Call Ratio (Open Interest) (30-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.

ATI Inc. (ATI) had 30-Day Put-Call Ratio (Open Interest) of 2.6147 for 2025-12-04.

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Figures for 2025-12-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2027
Historical Volatility (Parkinson)	0.3261
Implied Volatility (Calls)	0.3801
Implied Volatility (Puts)	0.3706
Implied Volatility (Mean)	0.3754
Put-Call Implied Volatility Ratio	0.9751
Implied Volatility Skew	0.0419
Option Statistics
Put-Call Ratio (Volume)	1.2730
Put-Call Ratio (Open Interest)	2.6147