1. Overview

QuantLink AI ("QuantLink," "we," "us," or "our") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your personal information when you use our financial data analytics platform at quantlink.ai and related services (the "Service").

This Privacy Policy applies to all users of the Service, regardless of location. We comply with applicable data protection laws, including the European Union's General Data Protection Regulation ("GDPR"), the California Consumer Privacy Act as amended by the California Privacy Rights Act ("CCPA/CPRA"), the Minnesota Consumer Data Privacy Act ("MCDPA"), and Canada's Personal Information Protection and Electronic Documents Act ("PIPEDA").

By using the Service, you consent to the data practices described in this Privacy Policy. If you do not agree with this Privacy Policy, please do not use the Service.

2. Information We Collect

2.1 Information You Provide Directly

• Account Information: Name, email address, username, and password when you create an account
• Profile Information: Optional information such as profile picture, job title, and investment preferences
• Payment Information: Billing address, credit card or payment method details (processed by our third-party payment processor; we do not store full credit card numbers)
• User Content: Watchlists, custom dashboards, portfolio data, notes, and other content you create on the Service
• Communications: Information you provide when contacting us, including support requests, feedback, and survey responses

2.2 Information Collected Automatically

• Device Information: IP address, browser type and version, operating system, device identifiers, and screen resolution
• Usage Data: Pages viewed, features used, search queries, click patterns, time spent on pages, referral URLs, and navigation paths
• Log Data: Server logs, access times, error logs, and diagnostic data
• Location Data: Approximate geographic location based on your IP address (we do not collect precise GPS location)
• Cookies and Similar Technologies: See Section 5 and our Cookie Policy for details

2.3 Information from Third Parties

• Authentication Providers: If you sign in via Google, Apple, or other third-party authentication services, we receive your name, email address, and profile picture from those services
• Analytics Providers: We may receive aggregated or de-identified analytics data from third-party analytics services
• Payment Processors: Transaction status, billing address, and partial payment information from our payment processor

3. How We Collect Information

We collect information through the following means:

• Direct Interactions: When you create an account, subscribe to a plan, use features of the Service, contact support, or communicate with us
• Automated Technologies: Cookies, pixel tags, web beacons, and similar technologies that automatically collect usage data when you interact with the Service
• Third-Party Sources: Authentication providers, payment processors, and analytics services as described above

4. How We Use Your Information

We use your information for the following purposes:

5. Cookies and Tracking Technologies

We use cookies, pixel tags, web beacons, and similar technologies to collect information about your interactions with the Service. These technologies help us:

• Remember your login status and preferences
• Understand how you use the Service
• Measure the effectiveness of our communications
• Personalize your experience
• Provide analytics

For a detailed list of cookies we use and instructions on how to manage your cookie preferences, please see our Cookie Policy.

6. How We Share Your Information

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

• Service Providers: We share information with third-party service providers who perform services on our behalf, including cloud hosting, payment processing, email delivery, analytics, and customer support. These providers are contractually obligated to use your information only to provide services to us and to maintain the confidentiality and security of your data.
• Legal Compliance: We may disclose information when required by law, regulation, legal process, or governmental request, or when we believe disclosure is necessary to protect our rights, your safety, or the safety of others.
• Business Transfers: In the event of a merger, acquisition, bankruptcy, or sale of all or a portion of our assets, your information may be transferred to the acquiring entity. We will notify you via email and/or a prominent notice on the Service of any change in ownership.
• With Your Consent: We may share information with third parties when you have given us explicit consent to do so.
• Aggregated or De-Identified Data: We may share aggregated or de-identified information that cannot reasonably be used to identify you.

7. Third-Party Services and Links

The Service may contain links to third-party websites, services, or applications that are not operated by QuantLink. We are not responsible for the privacy practices of these third parties. We encourage you to read the privacy policies of any third-party service before providing your information.

Third-party services we integrate with may include:

• Payment processors (e.g., Stripe)
• Analytics services (e.g., Google Analytics, Mixpanel)
• Authentication providers (e.g., Google OAuth, Apple Sign-In)
• Customer support tools
• Email delivery services

8. Data Security

We implement appropriate technical and organizational security measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. These measures include:

• Encryption of data in transit (TLS 1.2+) and at rest (AES-256)
• Regular security assessments and penetration testing
• Access controls and authentication requirements for employees
• Monitoring systems for detecting unauthorized access attempts
• Secure development practices and code review processes

However, no method of transmission over the Internet or method of electronic storage is 100% secure. While we strive to use commercially acceptable means to protect your personal information, we cannot guarantee its absolute security.

9. Data Retention

We retain your personal information for as long as your account is active or as needed to provide you services, comply with our legal obligations, resolve disputes, and enforce our agreements. If you request account deletion, we will delete or anonymize your personal information within 30 days, except where retention is required by law (e.g., tax and billing records).

10. International Data Transfers

QuantLink is headquartered in the United States. Your personal information may be transferred to, stored, and processed in the United States or other countries where our service providers maintain facilities. These countries may have data protection laws that differ from the laws of your country of residence.

If you are located in the European Economic Area (EEA), United Kingdom, or Switzerland, we ensure that transfers of personal data to countries outside these regions are protected by appropriate safeguards, including:

• Standard Contractual Clauses (SCCs): We use EU-approved Standard Contractual Clauses with our service providers to ensure adequate data protection
• Adequacy Decisions: Where applicable, we rely on adequacy decisions by the European Commission
• Data Processing Agreements: We require all service providers to enter into data processing agreements that include appropriate data protection obligations

By using the Service, you acknowledge and consent to the transfer of your information to the United States and other jurisdictions as described in this section.

11. Your Rights Under GDPR

If you are located in the European Economic Area (EEA), United Kingdom, or Switzerland, you have the following rights under the General Data Protection Regulation:

• Right of Access (Art. 15): You have the right to request a copy of the personal data we hold about you, along with information about how we process it
• Right to Rectification (Art. 16): You have the right to request correction of inaccurate personal data or completion of incomplete personal data
• Right to Erasure (Art. 17): You have the right to request deletion of your personal data in certain circumstances (the "right to be forgotten")
• Right to Restriction of Processing (Art. 18): You have the right to request that we restrict the processing of your personal data in certain circumstances
• Right to Data Portability (Art. 20): You have the right to receive your personal data in a structured, commonly used, and machine-readable format and to transmit it to another controller
• Right to Object (Art. 21): You have the right to object to processing of your personal data based on legitimate interests, including profiling and direct marketing
• Right to Withdraw Consent (Art. 7): Where processing is based on consent, you have the right to withdraw your consent at any time without affecting the lawfulness of processing based on consent before its withdrawal
• Right Not to Be Subject to Automated Decision-Making (Art. 22): You have the right not to be subject to a decision based solely on automated processing, including profiling, which produces legal effects or similarly significantly affects you

To exercise any of these rights, please contact us at hello@quantlink.ai. We will respond to your request within thirty (30) days. You also have the right to lodge a complaint with your local data protection supervisory authority.

12. Your Rights Under CCPA/CPRA

If you are a California resident, you have the following rights under the California Consumer Privacy Act as amended by the California Privacy Rights Act:

• Right to Know: You have the right to request information about the categories and specific pieces of personal information we have collected, the sources of collection, the purposes for collection, and the categories of third parties with whom we share it
• Right to Delete: You have the right to request that we delete personal information we have collected from you, subject to certain exceptions
• Right to Correct: You have the right to request that we correct inaccurate personal information
• Right to Opt-Out of Sale or Sharing: You have the right to opt out of the "sale" or "sharing" of your personal information (see Section 14)
• Right to Limit Use of Sensitive Information: You have the right to limit our use and disclosure of sensitive personal information to purposes necessary to provide the Service
• Right to Non-Discrimination: We will not discriminate against you for exercising any of your CCPA/CPRA rights

To exercise your rights, you may contact us at hello@quantlink.ai. We may verify your identity before fulfilling your request. We will respond to verifiable consumer requests within forty-five (45) days.

Categories of Personal Information Collected (CCPA Categories)

13. Minnesota Consumer Data Privacy Act (MCDPA)

Minnesota residents have all rights described above plus the right to opt out of any sale of personal data (we do not sell data) and the right to appeal any denial of a rights request. To exercise these rights or to appeal a denial, please contact us at hello@quantlink.ai.

14. Do Not Sell or Share My Personal Information

QuantLink does not sell your personal information as defined under the CCPA/CPRA. We do not exchange your personal information for monetary or other valuable consideration.

We may "share" certain personal information with third-party advertising partners for cross-context behavioral advertising purposes, which may constitute "sharing" under the CPRA. You have the right to opt out of this sharing.

To opt out of the sharing of your personal information for advertising purposes:

• Email us at hello@quantlink.ai with the subject line "Do Not Sell or Share"
• Adjust your cookie preferences through our cookie consent manager (see Cookie Policy)

We honor Global Privacy Control (GPC) signals. If your browser or device sends a GPC signal, we will treat it as a valid opt-out request for the sale/sharing of personal information associated with that browser or device.

15. Children's Privacy

The Service is not directed to individuals under the age of eighteen (18). We do not knowingly collect personal information from children under 18. If you are a parent or guardian and you believe your child has provided us with personal information, please contact us at hello@quantlink.ai. If we become aware that we have collected personal information from a child under 18 without verification of parental consent, we will take steps to delete that information promptly.

16. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices, technologies, legal requirements, or other factors. We will notify you of material changes by posting the updated Privacy Policy on the Service with a new "Last Updated" date and, for material changes, by sending an email notification at least thirty (30) days before the changes take effect.

We encourage you to review this Privacy Policy periodically for the latest information on our privacy practices.

17. Accessibility Statement

QuantLink AI is committed to making our platform accessible to the widest possible audience, regardless of disability or assistive technology used. We strive to ensure that our stock research tools, charts, screeners, and AI insights are usable by everyone.

Our Standards

We are actively working toward compliance with the Web Content Accessibility Guidelines (WCAG) 2.1 Level AA. This includes improvements to color contrast, keyboard navigation, screen-reader compatibility, alternative text for images/charts, and clear structure for data tables and AI-generated content.

Measures We Take

• Regular internal reviews and testing with common assistive technologies
• Consideration of accessibility in new feature development
• Ongoing improvements to complex visualizations and dynamic content

Known Limitations & Continuous Improvement

Some advanced charting features and real-time data visualizations may have temporary limitations. We are actively addressing these. If you encounter any accessibility barriers, please let us know at hello@quantlink.ai — your feedback directly improves the platform.

18. Contact Us

If you have any questions, concerns, or complaints about this Privacy Policy or our data practices, please contact us:

• Email: hello@quantlink.ai
• Website: quantlink.ai

For EEA residents: If you are not satisfied with our response, you have the right to lodge a complaint with your local data protection supervisory authority.