Privacy Policy

1. Introduction

Signal Analyzer ("we", "us", "our") respects your privacy. This Privacy Policy explains how we collect, use, and protect your information when you use our Platform.

2. Information We Collect

2.1 Information You Provide

Currently, the Platform operates without user accounts. We may collect:

• Ticker symbols you search for (stored locally in your browser)
• Watchlist data (stored in browser localStorage)

2.2 Automatically Collected Information

We may automatically collect:

• IP addresses and general location data
• Browser type and version
• Device information
• Usage patterns and analytics data
• Error logs and performance metrics

2.3 Third-Party Data

We use third-party services (e.g., Polygon.io, Yahoo Finance) for market data. These services may collect information according to their own privacy policies.

3. How We Use Information

We use collected information to:

• Provide and improve the Platform
• Analyze usage patterns and optimize performance
• Prevent abuse and ensure security
• Comply with legal obligations
• Debug technical issues

We do NOT sell your personal information to third parties. We do NOT use your data for advertising or marketing purposes.

4. Data Storage and Security

Currently, most user data is stored locally in your browser (localStorage). We implement security measures to protect data, but no system is 100% secure. You acknowledge that:

• Data transmission over the internet is not completely secure
• We cannot guarantee absolute security
• You use the Platform at your own risk

5. Cookies and Tracking

We may use cookies and similar technologies to:

• Remember your preferences
• Analyze Platform usage
• Prevent fraud and abuse

You can control cookies through your browser settings, but this may affect Platform functionality.

6. Third-Party Services

The Platform uses third-party services that may collect information:

• Polygon.io: Market data provider (see their privacy policy)
• Yahoo Finance: Market data provider (see their privacy policy)
• Vercel: Hosting and analytics (see their privacy policy)
• Cloudflare: Security and performance (see their privacy policy)

We are not responsible for third-party privacy practices. Please review their policies.

7. Data Retention

We retain data only as long as necessary to provide the Platform and comply with legal obligations. Most user data is stored locally in your browser and can be cleared at any time.

8. Your Rights

Depending on your location, you may have rights to:

• Access your personal data
• Request correction of inaccurate data
• Request deletion of your data
• Object to processing of your data
• Data portability

To exercise these rights, clear your browser data or contact us. Note: Most data is stored locally in your browser.

9. Children's Privacy

The Platform is not intended for users under 18 years of age. We do not knowingly collect personal information from children. If you believe we have collected information from a child, please contact us.

10. International Users

The Platform may be accessed from various countries. By using the Platform, you consent to the transfer of information to and processing in the United States and other countries, which may have different data protection laws.

11. GDPR Compliance (EU Users)

If you are in the European Union, you have additional rights under GDPR:

• Right to be informed about data collection
• Right of access to your data
• Right to rectification
• Right to erasure ("right to be forgotten")
• Right to restrict processing
• Right to data portability
• Right to object to processing

To exercise GDPR rights, contact us or clear your browser data.

12. CCPA Compliance (California Users)

California residents have rights under CCPA:

• Right to know what personal information is collected
• Right to delete personal information
• Right to opt-out of sale of personal information (we do not sell data)
• Right to non-discrimination for exercising rights

13. Changes to Privacy Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last updated" date. Continued use of the Platform after changes constitutes acceptance.

14. Contact

If you have questions about this Privacy Policy or wish to exercise your rights, please contact us through the Platform or review our Terms of Service.