# 2026-12636: New NDX Options Gain Extra Weekday Expiration Slots

2026-12636, Self-Regulatory Organizations; Nasdaq PHLX LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To List Certain A.M.-Settled NDX Options, is a Federal Register notice from Securities and Exchange Commission published 2026-06-24, effective 2026-06-17; PRIA reads it as touching household money (as of 2026-07-01).

- Canonical: https://policyrisk.com/federal-register/2026-12636
- As of: 2026-07-01
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-12636
- Title: Self-Regulatory Organizations; Nasdaq PHLX LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To List Certain A.M.-Settled NDX Options
- Type: Notice
- Agencies: Securities and Exchange Commission
- Citation: 91 FR 38066
- Published: 2026-06-24
- Effective: 2026-06-17
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-07-01

## In one line

New NDX Options Gain Extra Weekday Expiration Slots

## Summary

Nasdaq PHLX is rolling out new A.M.-settled Nasdaq-100 (NDX) options that can expire on any weekday except the usual third Friday or month-end days. This means traders get more flexible choices for when their options end, starting right away. If you trade NDX options, expect more ways to plan your moves and potentially save or make money with these fresh expiration dates.

## Effects PRIA read

- More weekday A.M.-settled NDX expirations: benefit, medium. If you trade Nasdaq-100 (NDX) options, the Exchange will allow new A.M.-settled NDX option series that can expire on any Monday–Friday (except the third Friday of the month or days that coincide with an end-of-month expiration) and also on the last trading day of the month. The Exchange filed this…
- No new position limits; same trading rules: benefit, low. The new A.M.-settled NDX expirations will be subject to the same Exchange rules that govern other NDX options, including customer account rules, margin requirements, and trading halt procedures. The filing also states there are no position limits for NDX options pursuant to Options 4A, Section 6(a)…

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## Sources
- [2026-12636 on federalregister.gov](https://www.federalregister.gov/documents/2026/06/24/2026-12636/self-regulatory-organizations-nasdaq-phlx-llc-notice-of-filing-and-immediate-effectiveness-of)
- [2026-12636 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-06-24/pdf/2026-12636.pdf)

## Related
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- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-12636 (as of 2026-07-01).
