$GrafTech International Ltd.(EAF)$ 很专业，背离一出现，就...

Stock Traders Buy Large Volume of Put Options on GrafTech International (EAF)  June 21st, 2018

GrafTech International Ltd (NYSE:EAF) saw unusually large options trading on Wednesday. Stock investors purchased 6,501 put options on the company. This represents an increase of approximately 5,019% compared to the typical volume of 127 put options.