Privacy Policy

Last Updated: December 20, 2024

1. Information We Do NOT Collect

AI US Stock Analysis is designed with privacy as a core principle. We explicitly do NOT collect:

• Personal identification information (name, email, address, etc.)
• Browsing history or website visit data
• Search queries or user behavior patterns
• Financial information or trading activity
• Location data or IP addresses
• Cookies or tracking identifiers
• Any form of analytics or telemetry data

2. How the Extension Works

2.1 Local Processing

All stock symbol detection and analysis happens locally in your browser. No data is sent to our servers.

2.2 External API Calls

The extension makes direct API calls to third-party services to fetch stock data:

• Yahoo Finance API - For real-time US stock prices and market data
• Exchange Rate API - For currency conversion rates

These API calls only transmit stock symbols (e.g., "SPY", "AAPL") - no personal information is included.

2.3 Local Storage

The extension uses Chrome's local storage to cache:

• Stock price data (expires after 1 minute)
• User's last searched stock symbols (for quick access)
• Trending stocks list (expires after 5 minutes)
• Extension preferences and settings

Important: All cached data is stored locally on your device and is never transmitted to any server.

3. Permissions Explained

3.1 Storage Permission

Why we need it: To cache stock data locally and improve performance by reducing API calls.

What we do: Store temporary stock price data and user preferences on your device.

What we DON'T do: Store personal information or browsing history.

3.2 ActiveTab Permission

Why we need it: To allow manual activation of stock analysis when you click the extension icon.

What we do: Read text content on the active tab to detect stock symbols.

What we DON'T do: Access tabs you haven't explicitly activated the extension on.

3.3 Host Permissions

Why we need it: To automatically detect stock symbols on popular financial websites and fetch data from APIs.

Websites we access:

• Yahoo Finance, Google Finance, Bloomberg, CNBC, MarketWatch
• Investing.com, Seeking Alpha, Motley Fool
• Reddit (r/stocks, r/wallstreetbets, r/investing)
• Twitter/X, Hacker News

What we do: Detect stock symbols mentioned on these sites to provide instant analysis.

What we DON'T do: Track your activity, collect browsing data, or monitor your behavior.

4. Third-Party Services

4.1 Yahoo Finance

We use Yahoo Finance's public API to fetch real-time stock market data. Please review their privacy policy at: Yahoo Privacy Policy

4.2 Exchange Rate API

We use Exchange Rate API for currency conversion. Please review their privacy policy at: Exchange Rate API Terms

5. Data Security

Since we don't collect or store personal data on our servers, there is no risk of data breaches from our end. All data processing happens locally in your browser using secure HTTPS connections to external APIs.

6. Children's Privacy

Our extension does not knowingly collect information from children under 13. The extension is designed for general stock market analysis and does not target children.

7. Changes to Privacy Policy

We may update this privacy policy from time to time. Any changes will be posted on this page with an updated "Last Updated" date. We encourage you to review this policy periodically.

8. Your Rights

Since we don't collect personal data, there is no personal information to access, modify, or delete. You can:

• Uninstall the extension at any time to remove all locally stored data
• Clear your browser's local storage to remove cached stock data
• Disable the extension to stop all functionality

9. Compliance

This extension complies with:

• Chrome Web Store Developer Program Policies
• General Data Protection Regulation (GDPR)
• California Consumer Privacy Act (CCPA)

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