A Closer Look at Dark Trading On IEX

Markets

IEX Exchange

IEX Options

Latest News

IEX President Bryan Harkins Shares His 2026 Outlook with Traders Magazine See all news

Lastest Article

10% of the Market and 20% of Midpoint Volume Trade Here at 3:50pm See all articles

Boxes & Lines Podcast

Technology

IEX Exchange

Speed Bump

IEX Signal

Latest Article

10% of the Market and 20% of Midpoint Volume Trade Here at 3:50pm See all articles

Blog

Products

Order Types

Market Data & Connectivity

Retail Program

Router

Latest News

IEX President Bryan Harkins Shares His 2026 Outlook with Traders Magazine See all news

Lastest Article

10% of the Market and 20% of Midpoint Volume Trade Here at 3:50pm See all articles

Latest Podcast

That's Odd! Boxes and Lines Lite See all podcasts

Company

About

Careers

Newsroom

Boxes & Lines Podcast

Boxes and Lines Lite: The 3% Myth (feat. Matt Weinberg & Sam Stevens)See all podcasts

Latest News

IEX Enters Options Market with Top Talent and Innovative Solutions See all news

Introducing Options

Resources

Trading Resources

Trading Hours & Holidays

Latest Podcast

That's Odd! Boxes and Lines Lite See all podcasts

Latest Article

IEX Enters Options Market with Top Talent and Innovative Solutions See all articles

Blog

System Alerts

Trading Alerts

System Status Trading Alerts Login

Cancel

Home

Regulation

Circular Reports

PC-2026-0175

Product Circulars

Download Document

Markets

IEX Exchange IEX Options

Technology

Technology Speed Bump IEX Signal

Products

Order types Market data Router Retail Program Options

Company

About Careers Newsroom Square Edge Brand Guidelines

Resources

Trading Resources Trading Hours & Holidays Documents Rule Book Fee Schedule Market Stats

Legal

Patent Notice Privacy Terms Trademark Notice Governance

Notices

System Status Trading Alerts

By clicking “Accept All Cookies”, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. View our Privacy Policy for more information.

Preferences Deny Accept

Privacy Preference Center

When you visit websites, they may store or retrieve data in your browser. This storage is often necessary for the basic functionality of the website. The storage may be used for marketing, analytics, and personalization of the site, such as storing your preferences. Privacy is important to us, so you have the option of disabling certain types of storage that may not be necessary for the basic functioning of the website. Blocking categories may impact your experience on the website.

Reject all cookies Allow all cookies

Manage Consent Preferences by Category

Essential

Always Active

This is some text inside of a div block.

Marketing

Essential

These items are used to deliver advertising that is more relevant to you and your interests. They may also be used to limit the number of times you see an advertisement and measure the effectiveness of advertising campaigns. Advertising networks usually place them with the website operator’s permission.

Personalization

Essential

These items allow the website to remember choices you make (such as your user name, language, or the region you are in) and provide enhanced, more personal features. For example, a website may provide you with local weather reports or traffic news by storing data about your current location.

Analytics

Essential

These items help the website operator understand how its website performs, how visitors interact with the site, and whether there may be technical issues. This storage type usually doesn’t collect information that identifies a visitor.

Confirm my preferences and close