Put-Call Ratio (Volume) (150-Day)

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

GrafTech International Ltd. (EAF) had 150-Day Put-Call Ratio (Volume) of 0.0000 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	1.2717
Historical Volatility (Parkinson)	0.9419
Implied Volatility (Calls)	1.0738
Implied Volatility (Puts)	1.1993
Implied Volatility (Mean)	1.1365
Put-Call Implied Volatility Ratio	1.1169
Implied Volatility Skew	-0.0146
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.2798