Privacy Policy

Last updated: March 27, 2026

1. Information We Collect

We collect the following: - Email address, display name (at registration) - Watchlist stock information - Payment info (processed via PAY.JP; we do not store card details) - Access logs (IP address, browser info)

2. Purpose of Use

We use collected information for: - Providing and operating the Service - User support - Analysis for service improvement - Sending important notices

3. Third-Party Sharing

We do not share personal information with third parties, except as required by law.

4. External Services

The Service uses: - Supabase (authentication, database) - PAY.JP (payment processing) - Yahoo Finance (stock data) - Cloudflare (hosting, analytics) Please review each service's privacy policy.

5. Cookies

We use cookies for authentication session management and user preference storage.

6. Data Storage

User data is stored on Supabase servers with appropriate security measures. Complete security of internet communications cannot be guaranteed.

7. User Rights

Users may request to view, correct, or delete their data. Deleting your account removes all associated data.

8. Contact

For privacy inquiries, please contact us through the in-service contact form.