# 2026-16457: Nasdaq PHLX Joins the Market Maker Quoting Amendment Parade, Zzz

2026-16457, Self-Regulatory Organizations; Nasdaq PHLX LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Amend Market Maker Quoting Obligations, is a Federal Register notice from Securities and Exchange Commission published 2026-08-13, effective 2026-09-01; PRIA reads it as touching household money (as of 2026-08-20).

- Canonical: https://policyrisk.com/federal-register/2026-16457
- As of: 2026-08-20
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-16457
- Title: Self-Regulatory Organizations; Nasdaq PHLX LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Amend Market Maker Quoting Obligations
- Type: Notice
- Agencies: Securities and Exchange Commission
- Citation: 91 FR 52372
- Published: 2026-08-13
- Effective: 2026-09-01
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-08-20

## In one line

Nasdaq PHLX Joins the Market Maker Quoting Amendment Parade, Zzz

## Summary

No summary available.

## Effects PRIA read

- Aggregate LMM/DMM Quoting Counts: benefit, medium. If your firm houses both Lead Market Makers (LMMs) and Directed Market Makers (DMMs) under the same member organization, the Exchange will count their quoting activity together when measuring compliance. The 90% continuous two-sided quoting threshold remains in place, and this aggregated counting w…
- Market Makers' 60% Obligation Unchanged: benefit, low. Market Makers (SQTs and RSQTs) will continue to be measured against a 60% continuous two-sided quoting requirement and will not be moved to the 90% LMM/DMM standard. A Market Maker that is also assigned as an LMM in a given series will still be held separately to both the LMM and Market Maker oblig…

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## Sources
- [2026-16457 on federalregister.gov](https://www.federalregister.gov/documents/2026/08/13/2026-16457/self-regulatory-organizations-nasdaq-phlx-llc-notice-of-filing-and-immediate-effectiveness-of)
- [2026-16457 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-08-13/pdf/2026-16457.pdf)

## Related
- [Previous: 2026-16455, Agency Information Collection Activities: Proposed Collection; Comment Request](https://policyrisk.com/federal-register/2026-16455)
- [Next: 2026-16458, Self-Regulatory Organizations; Nasdaq MRX, LLC; Notice of Filing and Immediate…](https://policyrisk.com/federal-register/2026-16458)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-16457 (as of 2026-08-20).