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.

Ecovyst Inc. (ECVT) had 120-Day Put-Call Ratio (Volume) of 0.0000 for 2026-03-05.

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Figures for 2026-03-05

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2853
Historical Volatility (Parkinson)	0.3348
Implied Volatility (Calls)	0.3281
Implied Volatility (Puts)	0.5300
Implied Volatility (Mean)	0.4290
Put-Call Implied Volatility Ratio	1.6154
Implied Volatility Skew	-0.0463
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.0239