Documents for Trading on IEX Exchange | Investors Exchange LLC

Rule Book, Manuals, & Guidelines

IEX Exchange Rule Book

IEX User Manual

IEX Connectivity Manual

IEX Extranet Manual

The IEX Exchange Rule Book, IEX Connectivity Manual, and IEX Extranet Manual will be updated to include IEX Options at a future date, pending regulatory approval as warranted.

Order Types Resources

IEX Post Only

IEX Trade Now

IEX Retail Liquidity Provider

IEX Retail Orders

IEX Corporate D-Peg (C-Peg) Order

IEX Discretionary Limit (D-Limit) Order

IEX Offset Peg Order

IEX Market Peg Order

Resources

September 1, 2023 Amended Order Directing the Exchanges and FINRA to File a NMS Plan Regarding Consolidated Equity Market Data

CT Plan related

October 23, 2023 CT Plan Proposal

The Cost of Exchange Services

IEX Opening and Closing Auction Quick Guide

IEX Opening and Closing Auction FAQs

LULD Amendment 12

IEX Opening Process for Non-IEX-Listed Securities

Specifications

IEX FIX Specification

IEX DEEP+ Specification

IEX DEEP+ SNAP Specification

IEX DEEP Specification

IEX DEEP SNAP Specification

IEX TOPS Specification

IEX TOPS SNAP Specification

IEX Transport Specification

IEX Auction Process Specification

IEX Threshold Securities List Specification

IEX Daily List File Specification

IEX Short Interest Report Specification

IEX Market Maker Specification

Membership

IEX Equities Clearing Letter of Guarantee

IEX Member Application

IEX User Agreement

IEX RMO Application Retail Order Attestation

IEX Market Maker Application

IEX User Agreement Addendum to Permit Volume Attribution

IEX User Agreement Addendum to Permit Investor Disclosure

IEX Data

IEX Market Data Policies

IEX Data Subscriber Agreement

Service Bureau

IEX Service Bureau Agreements

IEX Service Bureau Application

IEX Service Bureau Authorization

Connectivity

IEX Connectivity Services Agreement and Forms

IEX Equities Port Request Form

Previous IEX Connectivity Services Agreement and Forms

Effective prior to January 3, 2022

Documents Specific to IEX Options

IEX Options Authorization or Revocation of Restricted Clearing Number

IEX Options Authorized Traders List

IEX Options Binary Order Entry Port Request Form

IEX Options Clearing Letter of Guarantee

IEX Options Designated Give Up Contact Form

IEX Options Existing Member Application

IEX Options FIX Drop Copy Port Request Form

IEX Options FIX Order Entry Port Request Form

IEX Options Market Maker Quoting Port Request Form

IEX Options Notification of OCC Account Information

IEX Options Options Clearing Member Restriction Form

IEX Options Options Market Maker Application

IEX Options Testing Agreement

IEX Options TPH Modification and Termination Form

To see a full list of all agreements and forms for IEX Options, visit the IEX Options Information Hub.

Boxes and Lines

Blog posts, podcast episodes, and insights from IEX Exchange.

Our 2025 Interns Take the Mic

Bingo! With T. Rowe Price’s Mett Kinak

Boxes and Lines Lite - Welcome to the Pennyverse

Boxes and Lines Lite: Tokenization: Back to the Future Again

Learn More

Featured Podcast

The IEX Options Episode – With John Palmer and Ivan Brown