About a-team Marketing Services
The knowledge platform for the financial technology industry

A-Team Insight Blogs

Nasdaq Suspends High-Speed Trading Service Amid Regulatory Scrutiny

Subscribe to our newsletter

Nasdaq has halted a high-speed trading service following concerns raised by competitors and regulatory scrutiny from the U.S. Securities and Exchange Commission (SEC). The service, which offered select clients access to lower-latency hollow-core fiber optic cables, was not publicly disclosed and had not undergone the SEC’s rule-filing process.

Low-latency network provider McKay Brothers brought the issue to the attention of regulators, alleging that Nasdaq had been offering the service to certain colocation clients for an additional monthly fee of $10,000. This undisclosed latency advantage, McKay argued, created an uneven playing field and contradicted regulatory requirements for transparency and fairness in exchange access.

In response, Nasdaq announced that it would discontinue the service. The decision highlights the competitive and regulatory pressures faced by exchanges as they seek to provide advanced trading infrastructure while maintaining compliance with market rules.

Sylvain Thieullent, CEO at Horizon Trading Solutions, shared his thoughts with TradingTech Insight on the broader implications of such technological advancements: “The trading environment has developed to a point where securing marginal gains is critical to success. Whether this is through faster execution speed achieved via infrastructure or technological upgrades, systems that can perform better during periods of high volatility, or the provision of additional insights into pre-trade analytics, traders are always looking for an edge.”

Nasdaq has also outlined plans to upgrade its data centre infrastructure, including an “Equalization Project” intended to standardise latency across colocation customers. The move is aimed at addressing concerns about preferential access while ensuring that technological improvements benefit all market participants equitably.

As exchanges continue to navigate the balance between innovation and regulatory compliance, the scrutiny over Nasdaq’s service serves as a reminder of the ongoing debate surrounding market fairness and the role of speed in trading competition.

Subscribe to our newsletter

Related content

WEBINAR

Recorded Webinar: Navigating the Build vs Buy Dilemma: Cloud Strategies for Accelerating Quantitative Research

For many quantitative trading firms and asset managers, building a self-provisioned historical market data environment remains one of the most time-consuming and resource-intensive steps in establishing a new research capability. Sourcing data, normalising symbologies, handling corporate actions and maintaining infrastructure can take months and absorb significant budget before a single model is tested. At the...

BLOG

Reconciliation No Longer Has Time On Its Side as T+1 Approaches

By John Bevil, senior product manager at Xceptor. Europe’s capital markets firms are entering the most consequential phase of T+1 preparation. From 11 October 2027, trades executed in European markets are expected to settle one business day after trade date, reducing the settlement cycle from T+2 to T+1. More than 4 trillion euros of securities...

EVENT

Data Management Summit New York City

Now in its 15th year the Data Management Summit NYC brings together the North American data management community to explore how data strategy is evolving to drive business outcomes and speed to market in changing times.

GUIDE

What the Global Legal Entity Identifier (LEI) Will Mean for Your Firm

It’s hard to believe that as early as the 2009 Group of 20 summit in Pittsburgh the industry had recognised the need for greater transparency as part of a wider package of reforms aimed at mitigating the systemic risk posed by the OTC derivatives market. That realisation ultimately led to the Dodd Frank Act, and...