Privacy Policy
Last updated: March 2026
Madlytics ("we", "our", or "us") operates a trading analytics and journaling platform designed to help users track and analyze their trading performance. Madlytics is a software-as-a-service platform that enables users to record, analyze, and review their own trading activity. We are committed to protecting your privacy and handling your personal data in a transparent and secure manner.
By using Madlytics, you agree to the practices described in this Privacy Policy.
Madlytics is operated from the Netherlands and acts as the data controller for your personal data.
1. Information We Collect
Information you provide
- Email address and account credentials
- Profile information such as display name
- Trade journal entries, notes, tags, and analytics inputs
- Communications you send to us
We do not monitor, review, or make decisions based on your individual trading activity.
Automatically collected information
We may collect certain technical information such as browser type, device information, and general usage data.
We do not store IP addresses for analytics purposes. Where location information is used, it is derived in a non-identifying way and not retained.
Information from third-party services
- Authentication details from Google OAuth (subject to your Google account settings)
- Payment and subscription data provided by Stripe
2. How We Use Your Information
We use your data to:
- Provide and operate the Madlytics platform
- Authenticate users and maintain account security
- Store and process trade journal and analytics data
- Manage subscriptions and billing
- Send transactional communications such as account verification and billing receipts
- Improve platform functionality, performance, and user experience
- Comply with legal and regulatory obligations
We do not sell your personal data or use your trade data for advertising purposes. We do not sell, rent, or trade your personal data or trading activity data to third parties.
3. Sharing of Information
We may share personal data with trusted third-party service providers who support our operations, including:
- Supabase (database hosting and authentication)
- Stripe (payment processing)
- Infrastructure and hosting providers
We may update or change service providers from time to time to support the operation and improvement of the platform.
We may also disclose data where required by law or in connection with a business transfer such as a merger, acquisition, or asset sale.
4. Legal Basis for Processing (GDPR)
For users located in the European Economic Area, we process personal data under the following legal bases:
- Performance of a contract
- Legitimate interests in improving and securing our services
- Compliance with legal obligations
- Consent, where applicable
5. Data Retention
We retain account and trade data for as long as your account remains active. Upon account deletion, personal data will be removed within a reasonable period unless retention is required by law.
Billing records may be retained for up to seven years to comply with tax and financial regulations.
6. Security
We implement appropriate technical and organizational measures to protect personal data, including secure authentication systems, encrypted connections, and restricted access controls.
However, no method of data transmission or storage can be guaranteed to be completely secure.
7. International Data Transfers
Your data may be processed by service providers located outside the European Economic Area. Where such transfers occur, we take steps to ensure appropriate safeguards are in place in accordance with applicable data protection laws.
8. Your Rights
Depending on your jurisdiction, you may have rights to:
- Access your personal data
- Correct inaccurate data
- Request deletion
- Restrict or object to processing
- Request data portability
To exercise these rights, please contact us using the details below.
9. Cookies and Analytics
We use cookies and similar technologies to improve your experience and understand how Madlytics is used.
When you visit our website, you will be asked to accept or decline the use of analytics cookies.
- If you accept: We use analytics tools (such as PostHog) to understand how users interact with the product. This helps us improve features, usability, and performance.
- If you decline: We do not use analytics cookies and do not track your behavior within the product.
Before you make a choice, we may collect limited, anonymous information about page visits. This data:
- does not use cookies
- does not identify you
- is not linked across sessions
It is used only to understand general website traffic (for example, which pages are visited most).
You can change your cookie preferences at any time by clearing your browser storage or using the option in your account settings.
10. Analytics Tools
We use PostHog as our analytics provider after you give explicit consent. PostHog may collect information such as pages visited, features used, interactions within the app, and general usage patterns.
This data helps us improve the product experience and is not sold to third parties.
11. Contact
If you have questions about this Privacy Policy or your personal data, please contact: [email protected]
This Privacy Policy is governed by applicable data protection laws of the Netherlands and the European Union.