# 2026-10832: BZX Exchange Updates Historical Data Fee Proration Policy

2026-10832, Self-Regulatory Organizations; Cboe BZX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend its Fee Schedule to Clarify That Requests for Mid-Month Subscriptions and Ad-Hoc Historical Requests for Open-Close Data Will be Prorated, is a Federal Register notice from Securities and Exchange Commission published 2026-06-01, effective 2026-05-19; PRIA reads it as touching household money (as of 2026-06-08).

- Canonical: https://policyrisk.com/federal-register/2026-10832
- As of: 2026-06-08
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-10832
- Title: Self-Regulatory Organizations; Cboe BZX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend its Fee Schedule to Clarify That Requests for Mid-Month Subscriptions and Ad-Hoc Historical Requests for Open-Close Data Will be Prorated
- Type: Notice
- Agencies: Securities and Exchange Commission
- Citation: 91 FR 32484
- Published: 2026-06-01
- Effective: 2026-05-19
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-06-08

## In one line

BZX Exchange Updates Historical Data Fee Proration Policy

## Summary

Cboe BZX Exchange is updating its fee rules to make it clear that if you start a subscription or request historical Open-Close data partway through the month, you'll only pay for the time you use. This change affects traders and data users who buy these services and takes effect immediately, helping everyone pay fair prices without surprises.

## Effects PRIA read

- Mid‑Month Subscription Fees Prorated: benefit, low. If you start a subscription mid-month for any End-of-Day (EOD) Open-Close Data, Ten-Minute Intraday Open-Close Data, or One-Minute Intraday Open-Close Data, the Exchange will prorate the subscription fee so you only pay for the portion of the month you use. This clarification was filed on May 19, 2…
- Ad‑Hoc Historical Data Fees Prorated: benefit, low. If you request ad-hoc historical Open-Close Data (EOD, Ten-Minute Intraday, or One-Minute Intraday) for specific dates, the Exchange will prorate the fee for those historical file requests so you pay only for the requested period. The Exchange filed this clarification on May 19, 2026 and it is effe…

## Related documents

- [2026-20466](https://policyrisk.com/federal-register/2026-20466): Adviser and Regulated Fund Custody Rules; Crypto Custody Rules, 2026-10-06
- [2026-19260](https://policyrisk.com/federal-register/2026-19260): Rescission of Rule 14a-8's Federal Regulation of Shareholder Proposals and Amendments to Rule 14a-4, 2026-09-21
- [2026-18424](https://policyrisk.com/federal-register/2026-18424): Political Contributions by Certain Investment Advisers, 2026-09-10
- [2026-18190](https://policyrisk.com/federal-register/2026-18190): Transfer Agent Rules, 2026-09-04
- [2026-17183](https://policyrisk.com/federal-register/2026-17183): Regulation Crypto Assets, 2026-08-21
- [2026-12163](https://policyrisk.com/federal-register/2026-12163): The Trade-Through Rule and Locked and Crossed Markets Provisions of Regulation NMS, 2026-06-17

## Sources
- [2026-10832 on federalregister.gov](https://www.federalregister.gov/documents/2026/06/01/2026-10832/self-regulatory-organizations-cboe-bzx-exchange-inc-notice-of-filing-and-immediate-effectiveness-of)
- [2026-10832 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-06-01/pdf/2026-10832.pdf)

## Related
- [Previous: 2026-10831, Self-Regulatory Organizations; Cboe C2 Exchange, Inc.; Notice of Filing and Imm…](https://policyrisk.com/federal-register/2026-10831)
- [Next: 2026-10833, Self-Regulatory Organizations; CME Securities Clearing Inc.; Order Approving Pr…](https://policyrisk.com/federal-register/2026-10833)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-10832 (as of 2026-06-08).