Backtrex, operated by Stemya Tech (SIREN 881 895 478), is committed to protecting your privacy. This policy explains how your personal data is collected, used, and protected in accordance with the General Data Protection Regulation (GDPR).
Data Collected
We collect the following categories of data:
- Registration data: email address, password (encrypted)
- Usage data: strategies created, backtests run, parameters used
- Analytics data: pages visited, session duration, browser type (via anonymized cookies)
- Contact data: name and message if you use the contact form
Purposes of Processing
Your data is used to:
- Provide and improve the Backtrex service
- Manage your account and subscriptions
- Respond to your support requests
- Analyze site usage to improve the experience
- Send service-related communications (notifications, updates)
Legal Basis
Data processing is based on: contract performance (service usage), your consent (analytics cookies, newsletter), and our legitimate interest (service improvement, security).
Retention Periods
- Account data: retained as long as your account is active, then 3 years after deletion
- Usage data (strategies, backtests): deleted within 30 days of account deletion
- Analytics data: anonymized after 26 months
- Contact data: 3 years after last contact
Your Rights
Under the GDPR, you have the following rights:
- Right of access: obtain a copy of your personal data
- Right to rectification: correct inaccurate data
- Right to erasure: request deletion of your data
- Right to data portability: receive your data in a structured format
- Right to object: oppose the processing of your data
- Right to restriction: restrict processing in certain cases
To exercise these rights, contact us at contact@backtrex.com. We will respond within 30 days.
Data Sharing
We never sell your personal data. Your data may be shared with:
- Supabase (database hosting and authentication) — EU
- Hostinger (web hosting) — EU
- Anonymized analytics services
Security
We implement technical and organizational measures to protect your data: SSL/TLS encryption, hashed passwords, restricted data access, regular backups.
Complaints
If you believe your rights are not being respected, you may file a complaint with the CNIL (French Data Protection Authority): www.cnil.fr.
Contact
For any questions regarding this policy, contact us at: contact@backtrex.com.