TraderStack
Legal document

Privacy Policy

Effective March 20, 2026Last updated March 20, 2026Version 1.0
Your privacy matters to us. This policy explains what data TraderStack collects, why we collect it, how it's used, and the controls you have over it. We do not sell your personal data to third parties.
01

Overview

TraderStack ("we," "our," "us") is committed to protecting your privacy. This Privacy Policy applies to all data collected through our website, web application, and related services (collectively, the "Service").

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

Our commitmentWe do not sell your personal data. We do not use your trade data for advertising. Your trading records are yours - we only process them to provide the Service to you.
02

What We Collect

Information you provide directly:

Data typeDescriptionWhen collected
Account infoEmail address and password (hashed). Optional display name.Registration
Trade dataSymbol, direction, entry/exit price, size, dates, P&L, and custom tags.When you log trades
Journal entriesFree-form notes, reflections, and screenshots you attach to trades.When you write
Rule stackTrading rules, strategies, and criteria you define.When you build rules
Billing infoHandled by Stripe directly. We only receive a payment token and subscription status.When you subscribe
Support messagesMessages you send when contacting support.When you contact us

Information collected automatically:

Data typeDescription
Usage dataPages visited, features used, time spent, and interaction patterns within the app.
Device infoBrowser type, operating system, device type, and screen resolution.
Log dataIP address, access timestamps, error logs, and referring URL.
Cookies / tokensAuthentication session tokens and preference cookies. See the Cookies section.
03

How We Use Your Data

We use the data we collect for the following purposes:

  • To provide, operate, and maintain the Service, including processing your trade logs, journal entries, and analytics.
  • To manage your account, authenticate your identity, and process payments.
  • To send essential transactional communications such as account confirmations, password resets, and billing receipts.
  • To provide customer support and respond to your inquiries.
  • To detect, investigate, and prevent fraudulent activity, abuse, and security incidents.
  • To improve the Service, fix bugs, and develop new features based on aggregate usage patterns.
  • To comply with legal obligations and enforce our Terms & Conditions.
What we don't doWe do not use your trade data or journal entries to train machine learning models. We do not serve targeted advertising based on your trading activity.
04

Data Sharing

We do not sell, rent, or trade your personal information to third parties. We may share your data only in the following limited circumstances:

  • Service providers who process data on our behalf to deliver the Service (e.g., cloud infrastructure, auth, payments), bound by data protection agreements.
  • Legal requirements - where required by law, subpoena, or lawful government request.
  • Protection of rights - where necessary to protect the safety of TraderStack, our users, or the public.
  • Business transfers - in a merger, acquisition, or asset sale, with advance notice provided to you.
  • With your explicit consent - in any other case, we will ask first.
05

Third-Party Services

TraderStack integrates with a small number of carefully selected third-party services. Each processes your data only as necessary to fulfil their function:

Supabase
Authentication provider and database host. Stores your account credentials and application data securely with row-level security.
Auth & DB
Stripe
Payment processing. Handles subscription billing and payment card data. We never store full card details on our servers.
Payments
Vercel
Cloud infrastructure and hosting. Serves the application and processes requests. Logs may include IP addresses for a limited retention period.
Infrastructure
06

Cookies & Tracking

TraderStack uses a minimal set of cookies and browser storage to operate the Service. We do not use cookies for advertising or cross-site tracking.

Cookie / storagePurposeDuration
Session tokenKeeps you logged in securely. Required for the Service to function.Session / 7 days
Preference storageRemembers UI preferences such as sidebar state and theme settings.Persistent
CSRF tokenSecurity token to prevent cross-site request forgery attacks.Session

You can control cookie preferences through your browser settings. Disabling essential cookies will prevent the Service from functioning correctly.

07

Data Security

We implement industry-standard security measures to protect your data:

  • All data is transmitted over encrypted HTTPS connections.
  • Passwords are hashed and never stored in plaintext.
  • Database access is restricted using row-level security policies (Supabase RLS).
  • Payment data is handled exclusively by Stripe's PCI-DSS compliant systems.
  • We conduct periodic security reviews and address identified vulnerabilities promptly.
NoteNo method of transmission over the internet is 100% secure. If you believe your account has been compromised, contact us immediately at traderstack.contact@gmail.com.
08

Data Retention

We retain your personal data for as long as your account is active or as needed to provide the Service:

  • Account data is retained for the lifetime of your account, plus up to 30 days following deletion to allow for recovery.
  • Trade data and journals are retained while your account is active. You can export or delete your data from account settings at any time.
  • Billing records are retained for a minimum of 7 years as required by applicable tax regulations.
  • Server logs are retained for up to 90 days for security and debugging purposes, then automatically purged.
  • Support communications are retained for up to 3 years.

When you delete your account, we will delete or anonymise your personal data within 30 days, except where retention is required by law.

09

Your Rights

Depending on your location, you may have the following rights regarding your personal data:

Access
Request a copy of the personal data we hold about you.
Correction
Request correction of inaccurate or incomplete personal data.
Deletion
Request deletion of your personal data, subject to legal retention obligations.
Portability
Receive your data in a structured, machine-readable format via CSV export.
Objection
Object to our processing of your data in certain circumstances.
Restriction
Request that we restrict processing of your data in certain situations.
Withdraw consent
Withdraw consent for optional processing at any time without affecting prior processing.
Complaint
Lodge a complaint with the relevant supervisory authority in your jurisdiction.

To exercise any of these rights, contact us at traderstack.contact@gmail.com. We will respond within 30 days.

10

Children's Privacy

The Service is not directed to individuals under the age of 18. We do not knowingly collect personal data from children. If we become aware that a child under 18 has provided us with personal information, we will take immediate steps to delete it.

If you are a parent or guardian and believe your child has provided us with personal data, please contact us at traderstack.contact@gmail.com.

11

International Data Transfers

TraderStack operates primarily from the United States. If you are located outside the US, your data may be transferred to and processed in the US or other countries where our service providers operate.

We take appropriate steps to ensure international transfers are protected in accordance with applicable data protection laws. Where required, we rely on standard contractual clauses approved by relevant data protection authorities.

12

Changes to This Policy

We may update this Privacy Policy from time to time. When we make material changes, we will update the "Last updated" date and notify you by email where appropriate.

Your continued use of the Service after any changes constitutes your acceptance of the updated policy.

13

Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy, please reach out:

TraderStack

Support: traderstack.contact@gmail.com

We aim to respond to all privacy-related inquiries within 5 business days, and to rights requests within 30 calendar days.