Why was holding company jefferies/leucadia stock still/off market severeal years?

https://en.wikipedia.org/wiki/Jefferies_Financial_Group

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https://finance.yahoo.com/quote/JEF?p=JEF&.tsrc=fin-srch

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Its a straight line from 2013 to 2018?

Submitted November 09, 2018 at 12:18PM by mchurry https://ift.tt/2DyHT0c