Privacy Policy

Version 2026-11-12. We keep as little as the game needs.

What we store

• Your email address and, if you sign in with Google, the name and picture Google shares with us.
• The name and avatar you choose in each club, and your answer to "how much do you know about stocks?"
• What you do in the game: picks, trades, theses, predictions, comments, lesson progress.
• Your conversations with the AI coach.
• When you agreed to the Terms, and which version.
• Basic technical records needed to run the site, such as sign-in sessions and error logs.

We don't ask for your birthdate, address, phone number or any payment details.

Who can see it

• Your club sees your club name, avatar, theses, comments and results. Clubmates see your holdings as shares of your portfolio, a week late.
• Your club's organizers who don't play themselves can see every player's holdings, trades, theses, returns and progress as they happen.
• Your coach conversations are private to you. Organizers and clubmates can't read them.
• The people who run Owners Club can access the data to operate and fix the service.

Nobody outside your club can see your club.

Who else handles it

We use a small number of companies to run the service: a web host, a database host, an email sender for sign-in codes, Google if you choose Google sign-in, and Anthropic, whose AI model powers the coach. What you write to the coach is sent to that model to produce its reply. We don't sell your data and we don't show ads.

How long we keep it

Game data is kept while your club is active. Coach conversations are kept for the season and then deleted.

Deleting your data

• Leave a club from its page, and everything you did in that club is deleted.
• Delete your account from the Me page, and your sign-in and everything you did in every club is deleted.
• A club's organizer can remove a member, which deletes what that member did in the club.

Deleting is immediate and can't be undone. Copies in our database host's backups age out on their schedule.

Under 13

Owners Club is for people 13 and older. If we learn an account belongs to someone younger, we delete the account and its data.

Cookies

We use one cookie to keep you signed in. There is no advertising or cross-site tracking.

Questions

Ask your club's organizer, or open an issue on the project's public code repository.