# 2026-19218: IEX Patches Rule Glitches Before Options Debut

2026-19218, Self-Regulatory Organizations; Investors Exchange LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Address Internal Inconsistencies in Rule 22.260 in Advance of the Launch of IEX Options, is a Federal Register notice from Securities and Exchange Commission published 2026-09-21, effective 2026-09-08; PRIA reads it as touching household money (as of 2026-09-28).

- Canonical: https://policyrisk.com/federal-register/2026-19218
- As of: 2026-09-28
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-19218
- Title: Self-Regulatory Organizations; Investors Exchange LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Address Internal Inconsistencies in Rule 22.260 in Advance of the Launch of IEX Options
- Type: Notice
- Agencies: Securities and Exchange Commission
- Citation: 91 FR 59824
- Published: 2026-09-21
- Effective: 2026-09-08
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-09-28

## In one line

IEX Patches Rule Glitches Before Options Debut

## Summary

IEX is fixing confusing parts of its Rule 22.260 to get ready for launching IEX Options. This change helps traders by making the rules clearer and easier to follow, with no extra costs or delays. The update is effective immediately, so everyone can trade smoothly when IEX Options go live.

## Effects PRIA read

- Market Orders Will Be Canceled, Not Converted: benefit, low. IEX deleted Rule 22.260(b) so a sell or buy Market order with a Time-in-Force of IOC will be canceled (not converted into a Limit order) when there is no contra-side interest. This change is effective upon filing (filed September 8, 2026) and is intended to be operative by October 2, 2026 when IEX…
- Drill-Through Protection Excludes Post Only Orders: benefit, low. IEX amended Rule 22.260(e) so Drill-Through Protection will not apply to Post Only orders (in addition to bulk messages and ISOs). This means Post Only interest, which by rule cannot remove liquidity, will not be subject to the drill-through iterations that limit how far aggressive orders can execu…
- Rule Changes Effective Immediately for IEX Options Launch: benefit, low. The Exchange filed the amendments on September 8, 2026 and requested, and the Commission designated, that the proposed rule change be operative upon filing so the rules will be in effect for the October 2, 2026 IEX Options launch. The immediate effectiveness is intended to prevent confusion when tr…

## 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
- [2026-19218 on federalregister.gov](https://www.federalregister.gov/documents/2026/09/21/2026-19218/self-regulatory-organizations-investors-exchange-llc-notice-of-filing-and-immediate-effectiveness-of)
- [2026-19218 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-09-21/pdf/2026-19218.pdf)

## Related
- [Previous: 2026-19217, Draft Interim Staff Guidance: Material Compatibility for Non-Light Water-Reacto…](https://policyrisk.com/federal-register/2026-19217)
- [Next: 2026-19219, Self-Regulatory Organizations; Nasdaq Texas, LLC; Notice of Filing and Immediat…](https://policyrisk.com/federal-register/2026-19219)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-19218 (as of 2026-09-28).