Federal Register #SR-CboeEDGX-2026-015

SEC Solicitation: Cboe EDGX/EDGA Exchange Clock Service for High-Precision Time Synchronization

The Securities and Exchange Commission (SEC) is considering a proposed rule change from Cboe EDGX and EDGA Exchanges to introduce an optional Exchange Clock Service for market participants. - Government Buyer: - Securities and Exchange Commission (SEC), Division of Trading and Markets - OEMs and Vendors: - Cboe EDGX Exchange, Inc. - Cboe EDGA Exchange, Inc. - Products/Services Requested: - Exchange Clock Service - Provides high-precision time synchronization for subscribing participants - Utilizes White Rabbit and Precision Time Protocol (PTP) technologies - Includes dedicated 1 Gbps physical ports for clock synchronization only (not for order routing or other purposes) - No specific part numbers or quantities provided - Unique or Notable Requirements: - Service enables sub-nanosecond accuracy for device clock synchronization - Designed to assist with system efficiency, trade surveillance, and compliance with regulatory clock synchronization requirements - Service is optional and available to both Members and non-Members - Dedicated ports are solely for the Clock Service and cannot be used for other connectivity - Place of Performance/Delivery: - Securities and Exchange Commission Headquarters, 100 F Street NE, Washington, DC 20549

Description

This notice announces a proposed rule change filed by Cboe EDGX Exchange, Inc. with the Securities and Exchange Commission to introduce a new Exchange Clock Service. The service aims to provide enhanced time synchronization for subscribing participants using White Rabbit and Precision Time Protocol technologies, allowing them to synchronize their internal devices with the Exchange's clocks with high precision. The service includes dedicated 1 Gbps physical ports solely for this purpose and is intended to assist participants in system efficiency, trade surveillance, and compliance with clock synchronization requirements. The rule change is effective immediately upon filing.

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