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Trading firms Virtu and Citadel Securities clash over new options exchange

by Investor News Today
July 11, 2025
in Market Updates
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Trading firms Virtu and Citadel Securities clash over new options exchange
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Virtu Monetary has come out in opposition to rival Citadel Securities’ makes an attempt to dam the opening of a brand new US choices change, because the high-speed buying and selling big wades right into a dispute over market construction that has sucked in a few of Wall Avenue’s greatest names.

The disagreement hinges on the implementation of a 350-microsecond so-called “pace bump” that US change operator IEX — made well-known by the Michael Lewis’s bestseller Flash Boys — hopes will defend merchants on its proposed change from shopping for and promoting choices at stale costs.

This mechanism will permit IEX to cancel and reprice a small proportion of orders, however critics of the plan, together with billionaire Ken Griffin’s Citadel Securities, say it could find yourself harming unusual traders whereas enriching IEX’s shareholders and market makers.

New York-headquartered Virtu on Wednesday wrote to the Securities and Alternate Fee in help of IEX, which says it needs to protect traders from the price of latency arbitrage — the exploitation by high-frequency merchants of the microseconds it takes costs to replicate broader market strikes.

Virtu’s intervention comes three weeks after Citadel Securities criticised what it described as IEX’s “nefarious” and “illegal” plan “to introduce an unprecedented quote cancelling scheme” into the ballooning US choices market, in a letter to the SEC.

Retail dealer Charles Schwab, the New York Inventory Alternate and Nasdaq have additionally stated that IEX’s plan to launch a brand new fairness choices change shouldn’t be accepted. 

However in its letter, Virtu stated IEX’s proposal “represents a well-intentioned effort to advance” market transparency and enhance “the investor expertise”. 

It added: “The introduction of latest buying and selling venues has the potential to advertise competitors, foster innovation and probably ship higher buying and selling outcomes for all market contributors.” Virtu was co-founded by Doug Cifu and Vincent Viola, former chair of the New York Mercantile Alternate and the proprietor of ice hockey staff the Florida Panthers.

Citadel Securities and IEX have clashed earlier than. In 2015, Citadel Securities sought to dam IEX’s software for registration as a nationwide securities change, writing on the time {that a} new entrant would “create confusion for {the marketplace}, and for retail traders specifically”. 

Citadel’s try was finally unsuccessful, though 11 years later IEX stays a small participant in US equities, with a market share of roughly 2.6 per cent, in line with the agency.

Citadel’s newest try to shut down IEX’s deliberate transfer into the choices market has drawn the ire of strain group We The Traders, which wrote to the SEC on the topic earlier this month.

“Virtually 10 years because the first remark letters had been filed in opposition to the IEX Equities change software, and all we’ve got are the identical drained, recycled arguments,” stated WTI chief know-how workplace Dave Lauer within the letter.

“It has turn into clear that regardless of critics’ makes an attempt to rewrite historical past and faux that there is no such thing as a such factor as latency arbitrage, such arbitrage does exist, and exploits each geographical and technological latencies in an effort to earn earnings for the quickest merchants to the detriment of slower merchants,” he added.

John Ramsay, chief market coverage officer at IEX, stated: “For the individuals who complain that the quotes will likely be inaccessible, it’s price asking inaccessible to whom and for what function. If the reply is that they’ll be inaccessible to people who find themselves utilizing latency arbitrage, that’s precisely the purpose.”

Extra reporting by Jennifer Hughes



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