Jump Trading’s Head of Options Is Said to Leave the Company

CJ Shen, head of options at Jump Trading LLC, has left the company, according to a person familiar with the matter.

Shen had worked at Jump since 2013, joining after working at Merrill Lynch & Co. and Credit Suisse Group AG, according to his LinkedIn profile. Carissa Felger, a spokeswoman for Jump, declined to comment. Attempts to reach Shen were unsuccessful.

Jump is one of the giants among Chicago-based trading firms. It’s a major customer at CME Group Inc., which runs the world’s biggest futures exchange, and Risk.net published a list last year showing it was a top trader of U.S. Treasuries. The secretive automated trading firm was founded by former Chicago Mercantile Exchange pit traders Bill DiSomma and Paul Gurinas in the 1990s.

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