Hedge fund and high-frequency trading (HFT) firm Citadel LLC has asked regulators to deny the U.S. exchange application of "Flash Boys" heroes IEX Group, saying a key element of the trading platform ...

IEX Group believes that its record of protecting market participants from adverse selection and maximizing best execution in equities will be an advantage when it launches an options exchange, subject ...

NEW YORK – 9/16/24 – IEX Group, Inc. (IEX), today announced that it will launch a U.S. options exchange to partner with liquidity providers to uniquely tackle risk management challenges experienced in ...

New options exchange will be an electronic venue offering access to the full multi-listed options market while relying on a pro-rata model. IEX Group has announced the launch of a US options exchange ...

(Reuters) - Upstart stock trading venue IEX is attempting to create a regulated monopoly as it seeks to become a public exchange and its methods are "unfair" and "un-American," the head of would-be ...

Capping a nearly year-long face off over the merits of high-frequency trading, a federal regulator Friday approved a new stock exchange that could boost small and long-term investors by using an ...

Citadel Securities LLC lost its case against the SEC over a market order type from the IEX exchange of “Flash Boys” fame that features a 350-microsecond delay, after arguing the regulator botched its ...

What role does a stock exchange currently play and how has this changed? Exchanges are different from other markets in that they are required to provide “fair access” to all participants who want to ...

IEX Group Inc. will start offering a rebate for equity trades that go through its venue, reversing its previous position that ran counter to the model used by exchanges across the marketplace. The ...