# 2026-12528: Exchange Finally Deletes Expired Tick Size Rules

2026-12528, Self-Regulatory Organizations; Nasdaq PHLX LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Delete Obsolete Rule Text Regarding the Now-Completed Tick Size Pilot, is a Federal Register notice from Securities and Exchange Commission published 2026-06-23, effective 2026-06-10; PRIA reads it as touching household money (as of 2026-06-30).

- Canonical: https://policyrisk.com/federal-register/2026-12528
- As of: 2026-06-30
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-12528
- Title: Self-Regulatory Organizations; Nasdaq PHLX LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Delete Obsolete Rule Text Regarding the Now-Completed Tick Size Pilot
- Type: Notice
- Agencies: Securities and Exchange Commission
- Citation: 91 FR 37476
- Published: 2026-06-23
- Effective: 2026-06-10
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-06-30

## In one line

Exchange Finally Deletes Expired Tick Size Rules

## Summary

Nasdaq PHLX is cleaning house by deleting old rules about the Tick Size Pilot, a test that ended years ago. This change affects traders and market participants by removing outdated info, making the rulebook clearer and easier to use. The update took effect immediately on June 10, 2026, with no impact on fees or trading costs.

## Effects PRIA read

- Remove Obsolete Tick Size Rule: benefit, low. Nasdaq PHLX deleted obsolete rule text in Equity 4, Rule 3317 that implemented the Tick Size Pilot. The Tick Size Pilot ran for two years starting in October 2016, and the rule change took effect on June 10, 2026. The filing states this update does not change fees or trading costs.

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## Sources
- [2026-12528 on federalregister.gov](https://www.federalregister.gov/documents/2026/06/23/2026-12528/self-regulatory-organizations-nasdaq-phlx-llc-notice-of-filing-and-immediate-effectiveness-of-a)
- [2026-12528 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-06-23/pdf/2026-12528.pdf)

## Related
- [Previous: 2026-12527, Self-Regulatory Organizations; MIAX PEARL, LLC; Notice of Filing and Immediate…](https://policyrisk.com/federal-register/2026-12527)
- [Next: 2026-12529, Self-Regulatory Organizations; The Nasdaq Stock Market LLC; Notice of Filing an…](https://policyrisk.com/federal-register/2026-12529)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-12528 (as of 2026-06-30).