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October 15, 2026 | United States

Nasdaq Reports Network Disruption Affecting US Equities Data Feeds

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Nasdaq is currently addressing a technical network issue at its Carteret, New Jersey facility that has resulted in intermittent data gaps for US equities. The exchange has advised market participants to utilize backup data feeds from its Chicago location to maintain operational continuity.

Technical Glitch at Nasdaq

On Thursday, October 15, 2026, Nasdaq reported a network disruption originating from its primary data facility in Carteret, New Jersey. This technical issue has caused intermittent gaps in the delivery of market data across its US equities platforms, creating potential visibility challenges for traders and automated systems that rely on real-time information.

Operational Response

In response to the disruption, Nasdaq has issued guidance to its clients, recommending that they switch their systems to unaffected backup data feeds originating from the exchange's Chicago facility. By rerouting traffic, the exchange aims to ensure that market participants maintain access to necessary pricing and trade information while technical teams work to resolve the root cause of the failure at the Carteret site.

Data Recovery Procedures

For firms that may have missed critical information during the period of instability, Nasdaq has provided instructions on how to submit recovery requests. This process allows market participants to reconcile their internal records with the exchange's official data, ensuring that trade reporting and portfolio valuations remain accurate despite the temporary technical hurdle.

Market Impact and Stability

While the disruption caused concern among market participants, Nasdaq confirmed that it is actively investigating the issue. Shares of Nasdaq Inc. remained largely unaffected by the news of the technical glitch. The incident serves as a reminder of the complexity inherent in modern electronic trading infrastructure, where even minor network issues can have widespread implications for data integrity.

Why it matters

For the everyday investor, this event highlights the importance of robust infrastructure in the financial markets. While most retail investors use brokerage platforms that aggregate data from multiple sources, professional traders and institutional systems rely heavily on direct, uninterrupted feeds. When these feeds experience gaps, it can lead to temporary uncertainty in pricing, underscoring why exchanges maintain redundant systems in geographically diverse locations to protect the overall stability of the financial ecosystem.

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