Us Stock Market Tracker

Privacy Policy for US Stock Market Tracker

Last Updated: December 28, 2025

INTRODUCTION

US Stock Market Tracker ("we", "our", or "the extension") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our Chrome extension.

INFORMATION WE COLLECT

Data We DO Collect:
• Stock symbols you search for (stored locally only)
• Your personal watchlist (stored locally only)
• Extension preferences and settings (stored locally only)

Storage Location:
All data is stored locally on your device using Chrome's storage API. This data never leaves your computer unless you choose to sync it via Chrome's sync feature.

DATA WE DO NOT COLLECT

We do NOT collect:
• Personal identification information
• Email addresses
• Financial account information
• Banking details
• Credit card information
• Browsing history
• Usage analytics
• IP addresses
• Location data
• Any tracking information

HOW WE USE YOUR INFORMATION

The information stored locally is used solely to:
1. Provide extension functionality
2. Display your saved watchlist
3. Remember your preferences
4. Provide quick access to frequently searched stocks

THIRD-PARTY SERVICES

Yahoo Finance API:
• Purpose: Retrieve stock market data
• Data transmitted: Stock symbols only
• No personal info: No personal information is included in requests
• Privacy Policy: https://legal.yahoo.com/us/en/yahoo/privacy/index.html

hsxytz.com:
When you click links to visit hsxytz.com:
• You leave the extension environment
• hsxytz.com's privacy policy applies
• Standard website cookies may be used
• Please review hsxytz.com's privacy policy

PERMISSIONS EXPLAINED

storage:
• Purpose: Save your watchlist and preferences locally
• Scope: Local device only
• Data: Stock symbols and settings

host_permissions (query1.finance.yahoo.com):
• Purpose: Retrieve stock market data from Yahoo Finance API
• Scope: Yahoo Finance API only
• Data: Stock symbols you search for

DATA SECURITY

We implement security measures to protect your information:
• All data stored locally on your device
• No data transmission to our servers
• HTTPS connections for API requests
• No cookies or tracking scripts
• Minimal permission requirements

CHROME SYNC

If you enable Chrome Sync:
• Your watchlist may sync across your Chrome browsers
• Data is encrypted by Google
• Syncing is optional and controlled by Chrome settings
• We do not control Chrome's sync functionality

CHILDREN'S PRIVACY

Our extension is not intended for children under 13 years of age. We do not knowingly collect information from children under 13.

DATA RETENTION

• Local Data: Retained until you remove the extension or clear browser data
• No Server Data: We don't store any data on our servers
• Complete Control: You can delete all data by removing the extension

YOUR RIGHTS

You have the right to:

1. Access Your Data
• View your watchlist anytime in the extension

2. Delete Your Data
• Remove individual stocks from your watchlist
• Uninstall the extension to delete all data

3. Control Data Sharing
• Disable Chrome Sync to keep data local
• Control extension permissions

COMPLIANCE

This extension complies with:
• Chrome Web Store Developer Program Policies
• GDPR (General Data Protection Regulation)
• CCPA (California Consumer Privacy Act)
• COPPA (Children's Online Privacy Protection Act)

CHANGES TO THIS POLICY

We may update this Privacy Policy occasionally. Changes will be:
• Posted in the extension update notes
• Reflected in the "Last Updated" date
• Available in the extension package

Continued use after changes constitutes acceptance of the updated policy.

DATA BREACH NOTIFICATION

In the unlikely event of a data breach:
• We will notify users promptly
• We will detail the nature of the breach
• We will provide guidance on protective measures

Note: Since we don't store user data on servers, traditional data breaches are not applicable to this extension.

INTERNATIONAL USERS

This extension is available worldwide. By using it:
• Data remains on your local device
• No cross-border data transfers occur
• Local privacy laws apply

CALIFORNIA PRIVACY RIGHTS

California residents have specific rights under CCPA:
• Right to know what data is collected
• Right to delete data (uninstall extension)
• Right to opt-out of data sales (we don't sell data)

EUROPEAN UNION USERS

EU users have rights under GDPR:
• Right to access data (view your watchlist)
• Right to rectification (edit your watchlist)
• Right to erasure (remove extension)
• Right to data portability (export watchlist manually)
• Right to object (don't use the extension)

COOKIES

This extension does NOT use cookies.

DO NOT TRACK

We honor Do Not Track signals. However, since we don't track users, this setting doesn't affect extension functionality.

CONTACT US

If you have questions about this Privacy Policy:
• Website: https://www.hsxytz.com
• Email: privacy@hsxytz.com
• Chrome Web Store: Submit feedback through the extension page

SUMMARY

Your privacy is our priority. We collect minimal data, store it locally, and never share it with third parties. You have complete control over your information.

This privacy policy is effective as of December 28, 2025.