For AI agents: a documentation index is available at the root level at /llms.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.

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Contracts Market Data Subscriptions Order Types Changelog

Contracts Market Data Subscriptions Order Types Changelog

Compliance Requirements for API Market Data
- Professional vs Non-Professional
Market Data & Users
- TWS Data vs API Data
- Market Data Costs and Fees
Market Data Lines
- Understanding Market Data Subscriptions
- Regulatory Snapshots
Popular Market Data Subscriptions
- NASDAQ Specialty Subscriptions

Introduction
Market Data Requirements
Market Data Subscription Minimum Equity Balance Requirements
Support for Market Data Subscriptions
Introduction
Market Data API Acknowledgement
Introduction
Automation and Software Disclosure
Professional vs Non-Professional
Introduction
Multiple Users
Market Data Sharing
Introduction
Step One: Log In To Client Portal
Step Two: Click the Head & Shoulders Icon
Step Three: Go to the Settings Page
Step Four: Open the Paper Trading Account settings
Step Five: Review Your Paper Credentials
TWS Data vs API Data
Market Data Costs and Fees
Introduction
Specialized Market Data Lines
How Market Data is Allocated
Understanding Market Data Subscriptions
Regulatory Snapshots
Introduction
Chinese Market Data Subscriptions
News Data
NASDAQ Specialty Subscriptions

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Market Data & Users Finding your Paper User Credentials

Step One: Log In To Client Portal

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Log in to the Client Portal using your Live Account’s username and password.

Client Portal login window.

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Introduction

Step Two: Click the Head & Shoulders Icon