Nasdaq BX Ditches GPS Antennas: Traders Lose Cosmic Clock Sync
Published Date: 11/21/2025
Notice
Summary
Nasdaq BX is dropping its special GPS antenna service that helped traders keep perfect time in its data center. This change affects anyone using the Exchange’s co-location services in Carteret, NJ, and it’s effective immediately with no extra fees or delays. If you rely on this GPS timing, it’s time to adjust your setup!
Analyzed Economic Effects
3 provisions identified: 0 benefits, 2 costs, 1 mixed.
Shared GPS Option Continues; Fees Listed
Nasdaq BX will continue to offer a shared GPS antenna option for firms that colocate in NY11 in Carteret, NJ. The filing lists the shared installation fee as $900 and a monthly fee of $600 (the dedicated installation fee was $1,500 and the dedicated monthly fee was $600).
Dedicated GPS Antenna Removed
If you colocate servers in Nasdaq BX's NY11 data center in Carteret, NJ and use a dedicated GPS antenna, you cannot order a dedicated antenna after September 30, 2025. Existing dedicated GPS antenna service will end on April 1, 2026, and all dedicated antennas must be removed by that date; you can instead request the shared GPS antenna service.
Scope: Who Uses the GPS Service
About 49% of the Exchange's co-location customers subscribe to the GPS timing Service and most of those use the shared option. Approximately 5% of customers who subscribe to the Service purchase both dedicated and shared options.
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