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.

Ecovyst Inc. (ECVT) had 10-Day Put-Call Ratio (Volume) of 14.0000 for 2026-04-20.

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Figures for 2026-04-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4767
Historical Volatility (Parkinson)	0.3608
Implied Volatility (Calls)	0.5839
Implied Volatility (Puts)	0.7339
Implied Volatility (Mean)	0.6589
Put-Call Implied Volatility Ratio	1.2568
Implied Volatility Skew	-0.1265
Option Statistics
Put-Call Ratio (Volume)	14.0000
Put-Call Ratio (Open Interest)	0.0224