Cboe EDGA Introduces Fees for New Clock Tool
Published Date: 6/12/2026
Notice
Summary
Cboe EDGA Exchange just rolled out a new Clock Service to help traders sync their time systems perfectly. Starting May 18, 2026, users can try it for free, but after that, there will be fees for using this handy tool. This change affects anyone who wants precise timing for trading and keeps things running smoothly.
Analyzed Economic Effects
5 provisions identified: 2 benefits, 3 costs, 0 mixed.
Monthly Clock Service Fee
Starting May 18, 2026, the Exchange charges $7,500 per month for its Cboe Clock Service. The fee includes a single 1 Gbps physical port and the service can be used to connect to all eight Cboe exchanges; subscribing firms (Members and non-Members) may cancel at any time.
Optional Redundant Connection Fee
The Exchange offers an optional redundant Clock Service connection (an extra 1 Gbps physical port) for $2,500 per month. Firms may purchase multiple secondary connections if they choose.
One-Time HATI Licensing Fee
Firms that do not use a Safran White Rabbit switch must pay a one-time High-Accuracy Timing IP Core (HATI) licensing set-up fee of $5,000 per physical connection to enable their device for the Clock Service.
30-Day Free Trial and Proration Rules
New subscribers get a 30-day free trial of the Clock Service fee only; first-time subscribers still must pay any one-time HATI set-up fees and fees for any additional connections. Monthly fees are prorated for mid-month starts, but the one-time HATI fee is not prorated.
High-Precision Time Synchronization Capability
The Clock Service provides White Rabbit time signals over a 1 Gbps port so subscribers can synchronize their primary clocks to the Exchange's clock at a more granular level, enabling sub-nanosecond-level latency measurements between a firm's systems and the Exchange.
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Previous / Next Documents
Previous: 2026-11811 — Self-Regulatory Organizations; Cboe EDGX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Adopt Fees for Its New Clock Service
Cboe EDGX Exchange just rolled out a new Clock Service that helps users sync their time systems perfectly with the Exchange. Starting May 18, 2026, they’re charging fees for this service but also offering a free trial to get everyone on board. This change affects both members and non-members who want accurate timing for their trades and data.
Next: 2026-11813 — Self-Regulatory Organizations; Cboe BYX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Adopt Fees for Its New Clock Service
Cboe BYX Exchange just rolled out a new Clock Service that helps users sync their time systems for better trading accuracy. Starting May 18, 2026, they’re charging fees for this service but also offering a free trial to get everyone on board. This affects both members and non-members who want precise timing in their trading activities.