How OptionBrain uses cookies and similar technologies on our website
2026/06/30
This Cookie Policy explains how OptionBrain ("we," "us," or "our") uses cookies and similar technologies when you visit optionbrain.app. By continuing to use our website, you consent to the use of cookies as described in this policy.
Cookies are small text files placed on your device when you visit a website. They allow the website to recognize your device, remember your preferences, and provide a more consistent experience across visits.
These cookies are strictly necessary for the website to function and cannot be disabled.
| Cookie | Purpose | Duration |
|---|---|---|
session_token | Maintains your authenticated session after login | Session / 7 days |
csrf_token | Protects against cross-site request forgery attacks | Session |
locale | Remembers your selected language (English or 中文) | 1 year |
theme | Stores your dark/light mode preference | 1 year |
These cookies help us understand how visitors use our platform so we can improve it. The data collected is aggregated and anonymous.
| Cookie | Provider | Purpose | Duration |
|---|---|---|---|
_vercel_analytics | Vercel | Page view and performance metrics | Session |
When you interact with payment flows, our payment processor Stripe may set cookies on your device to prevent fraud and ensure secure checkout. These cookies are governed by Stripe's Privacy Policy.
We do not use advertising or tracking cookies to build profiles for ad targeting purposes.
You can control and manage cookies in several ways:
Most browsers allow you to view, delete, or block cookies:
You can opt out of Vercel Analytics by enabling the "Do Not Track" setting in your browser.
Note: Disabling essential cookies will prevent you from logging in and using core features of OptionBrain.
We may update this Cookie Policy from time to time. We will notify you of changes by posting the updated policy on this page and updating the date above.
If you have questions about how we use cookies, please contact us:
Email: support@optionbrain.app
Website: optionbrain.app