Chicago Board Options Exchange

Chicago, IL 60605

Judge: CBOE can't be held liable for failure to stop manipulation of VIX market

By Jonathan Bilyk | Monday, Jan 27, 2020 @ 6:25pm

Judge says investor plaintiffs can't prove they were actually harmed by manipulation, or that CBOE intervention would have stopped anything.
Judge tosses suit against Chicago Options Exchange, says plaintiffs didn't show VIX exchange allowed manipulation

By Dan Churney | Tuesday, Jun 4, 2019 @ 7:20pm

A Chicago federal judge has knocked down a putative class action against the Chicago Board Options Exchange, which alleged the exchange allowed anonymous traders to manipulate the market, saying plaintiffs failed to show the exchange knew of, much less encouraged any manipulation.
Regulatory immunity no shield for Options Clearing Corp from accusations some investors got tips on price movement

By Robert Davis | Friday, Apr 27, 2018 @ 11:03pm

The organization known as the world's largest equity derivative clearinghouse must yet face a lawsuit accusing it of tipping off certain investors to changes in the price of certain options, as a state appeals panel says such private admissions undermine the protections it might otherwise enjoy under regulatory immunity.