# 2026-11810: Another Cboe Exchange Prices Its New Clock Service

2026-11810, 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, is a Federal Register notice from Securities and Exchange Commission published 2026-06-12, effective 2026-05-18; PRIA reads it as touching household money (as of 2026-06-19).

- Canonical: https://policyrisk.com/federal-register/2026-11810
- As of: 2026-06-19
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-11810
- Title: 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
- Type: Notice
- Agencies: Securities and Exchange Commission
- Citation: 91 FR 35739
- Published: 2026-06-12
- Effective: 2026-05-18
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-06-19

## In one line

Another Cboe Exchange Prices Its New Clock Service

## Summary

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 affects both members and non-members who want precise timing for their trading activities.

## Effects PRIA read

- Monthly $7,500 Clock Service Fee: cost, high. If your firm subscribes to Cboe's Clock Service, the Exchange charges $7,500 per month starting May 18, 2026. That monthly fee includes a single 1 Gbps physical port (which may be used only to receive the time signal) and the service can be used for all eight Cboe exchanges; the service is optional…
- Optional Redundant Connection: $2,500/Month: cost, high. If your firm wants a backup Clock Service connection, Cboe offers an optional redundant 1 Gbps physical port for $2,500 per month. Firms may purchase multiple secondary connections if they choose.
- One-Time HATI Licensing Setup Fee: $5,000: cost, high. If your firm does not use a Safran White Rabbit-enabled switch, you must pay a one-time High-Accuracy Timing IP Core (HATI) setup fee of $5,000 for each physical connection to use the Clock Service; for example, two connections would incur $10,000 in one-time fees.
- 30-Day Free Trial for New Subscribers: benefit, high. New subscribers who have never before signed up for Cboe Clock Service receive the first 30 days of the Clock Service free; the trial applies only to the monthly Clock Service fee and does not waive the one-time HATI setup fee or fees for additional connections. The free trial began with the adopti…

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## Sources
- [2026-11810 on federalregister.gov](https://www.federalregister.gov/documents/2026/06/12/2026-11810/self-regulatory-organizations-cboe-edgx-exchange-inc-notice-of-filing-and-immediate-effectiveness-of)
- [2026-11810 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-06-12/pdf/2026-11810.pdf)

## Related
- [Previous: 2026-11809, Self-Regulatory Organizations; Cboe BZX Exchange, Inc.; Notice of Filing and Im…](https://policyrisk.com/federal-register/2026-11809)
- [Next: 2026-11811, Self-Regulatory Organizations; Cboe EDGX Exchange, Inc.; Notice of Filing and I…](https://policyrisk.com/federal-register/2026-11811)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-11810 (as of 2026-06-19).