Privacy Policy

Introduction

Portfolio Modeller ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our portfolio analysis service.

By using Portfolio Modeller, you agree to the collection and use of information in accordance with this policy.

Information We Collect

Personal Information

• Email addresses you provide (if you sign up for premium features)
• Portfolio configurations you create (premium users only)
• Usage data and analytics information

Portfolio Data Processing

When you use Portfolio Modeller:

• Free tier: Portfolio configurations are processed in real-time and not stored
• Premium tier: You can optionally save portfolio configurations for future reference
• We do not store your actual investment amounts or personal financial information
• All analysis is performed using publicly available historical market data
• Your portfolio data is processed securely and not shared with third parties

How We Use Your Information

• To provide and maintain our portfolio analysis service
• To calculate historical portfolio performance using market data
• To generate performance charts and metrics
• To save your portfolio configurations (premium users, optional)
• To improve our service and user experience
• To communicate with you about service updates

Data Security

We implement appropriate security measures to protect your information:

• All data transmission is encrypted using HTTPS
• Portfolio configurations are processed in secure, isolated environments
• Free tier: No personal data is stored on our servers
• Premium tier: Saved configurations are encrypted and stored securely
• Regular security audits and updates

Third-Party Services

We use the following third-party services:

• Yahoo Finance (yfinance): For historical market data and stock prices
• Google Analytics: For website analytics (optional, can be disabled)
• Plausible: For privacy-focused analytics (optional)

Each service has its own privacy policy and data handling practices. We only use publicly available market data and do not share your portfolio configurations with these services.

Your Rights

You have the right to:

• Access any personal data we may have about you
• Request correction of inaccurate data
• Request deletion of your data
• Opt out of marketing communications
• Lodge a complaint with data protection authorities

Cookies and Tracking

We use cookies and similar technologies to:

• Improve website functionality and user experience
• Analyze website traffic and usage patterns
• Remember your preferences and settings

You can control cookie settings through your browser preferences.

Children's Privacy

Portfolio Modeller is not intended for use by children under 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.

Changes to This Policy

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

Contact Us

If you have any questions about this Privacy Policy, please contact us: