Privacy policy

East Blue, by EastIdeal Technologies. Last updated 19 October 2026.

What East Blue is

East Blue is an options strategy builder and positions tracker. The public pages (this site and the demo) collect nothing about you: the demo runs entirely in your browser on a simulated market. The desks behind the sign-in are private and used by their owner.

What we store, and where

Portfolios, strategies, legs and profit-and-loss history that the signed-in owner enters are stored on the East Blue server (currently PythonAnywhere). Sign-in uses a password that is stored only as a salted hash. Passkeys, if set up, store only public keys. Nothing is sold, shared with advertisers or used for tracking. There are no advertising or analytics cookies; the only cookie is the sign-in session cookie.

Google Drive backup (optional)

The owner can connect Google Drive so East Blue can keep an encrypted daily backup. East Blue asks for one permission only: access to the files it creates itself (the drive.file scope). It cannot see, list or change any other file in your Drive.

• What is uploaded: an encrypted copy of the portfolio data. The encryption key stays on the East Blue server and with the owner, never with Google. Passwords, session secrets and broker tokens are never part of a backup.
• What is kept: the newest 60 backup files. Older ones are deleted by East Blue.
• How long access lasts: until you disconnect it in East Blue (Backups page) or remove East Blue under your Google Account's third-party access settings.

East Blue's use of information received from Google APIs adheres to the Google API Services User Data Policy, including the Limited Use requirements.

Your choices

You can disconnect Google Drive at any time, delete the backup files from your Drive, and download or remove your data from East Blue. Deleting an account's data removes it from the server; backups already in Drive are removed by deleting them there.

Changes

If this policy changes, the date above changes with it.