Privacy Policy

Last updated: December 3, 2025

1. Introduction

CatStock ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our stock analysis platform (the "Service").

2. Information We Collect

2.1 Personal Information

When you register for an account, we may collect:

  • Email address
  • Name and display name
  • Profile picture (if you choose to provide one)
  • Authentication credentials

2.2 Portfolio and Trading Data

To provide our services, we collect and store:

  • Stock positions and portfolio holdings
  • Trade history and transactions
  • Custom screening conditions and saved searches
  • Performance metrics and analytics data

2.3 Usage Information

We automatically collect certain information about your device and how you interact with our Service:

  • IP address and device information
  • Browser type and version
  • Pages visited and features used
  • Time and date of access
  • Referring website addresses

2.4 Cookies and Tracking Technologies

We use cookies and similar tracking technologies to track activity on our Service and store certain information. You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent.

3. How We Use Your Information

We use the collected information for various purposes:

  • To provide, maintain, and improve our Service
  • To manage your account and provide customer support
  • To analyze portfolio performance and generate insights
  • To personalize your experience
  • To communicate with you about updates, features, and promotional content
  • To monitor and analyze usage patterns and trends
  • To detect, prevent, and address technical issues and security threats
  • To comply with legal obligations

4. Information Sharing and Disclosure

We do not sell your personal information. We may share your information in the following circumstances:

  • Service Providers: With third-party service providers who perform services on our behalf (e.g., hosting, analytics, customer support)
  • Legal Requirements: When required by law or to respond to legal process
  • Protection of Rights: To protect our rights, privacy, safety, or property, and that of our users
  • Business Transfers: In connection with a merger, acquisition, or sale of assets
  • With Your Consent: With your explicit consent for other purposes

5. Data Security

We implement appropriate technical and organizational security measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. However, no method of transmission over the Internet or electronic storage is 100% secure, and we cannot guarantee absolute security.

6. Data Retention

We retain your personal information for as long as necessary to provide our services and fulfill the purposes outlined in this Privacy Policy. We will retain and use your information to comply with legal obligations, resolve disputes, and enforce our agreements.

7. Your Rights and Choices

Depending on your location, you may have certain rights regarding your personal information:

  • Access: Request access to your personal information
  • Correction: Request correction of inaccurate information
  • Deletion: Request deletion of your personal information
  • Data Portability: Request a copy of your data in a portable format
  • Opt-out: Opt-out of marketing communications
  • Withdraw Consent: Withdraw consent where we rely on consent to process your information

To exercise these rights, please contact us through our support channels.

8. Third-Party Services

Our Service may contain links to third-party websites or services that are not operated by us. We are not responsible for the privacy practices of these third parties. We encourage you to review the privacy policies of any third-party services you access.

9. Children's Privacy

Our Service is not intended for children under the age of 18. We do not knowingly collect personal information from children under 18. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.

10. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. These countries may have different data protection laws. By using our Service, you consent to the transfer of your information to Japan and other countries where we operate.

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by posting the new Privacy Policy on this page and updating the "Last updated" date. We encourage you to review this Privacy Policy periodically for any changes.

12. Contact Us

If you have any questions about this Privacy Policy or our privacy practices, please contact us at:

Email: myash.inquiry@gmail.com

13. Governing Law

This Privacy Policy shall be governed by and construed in accordance with the laws of Japan.