Last updated: October 2026
We collect the following information when you use Periodic Gains:
Your broker API keys and credentials are stored securely and used solely to execute trades on your behalf as configured by you. We do not share these credentials with any third party.
We do not sell your personal data. We may share data with:
We use industry-standard security measures to protect your data. However, no method of transmission over the internet is 100% secure.
We retain your data for as long as your account is active. You may request deletion of your account and associated data at any time by contacting us.
We use session cookies to keep you logged in. We do not use tracking or advertising cookies.
You have the right to access, correct, or delete your personal data. Contact us at periodicgains@gmail.com to exercise these rights.
The Mad Market Lab Monsters game (at /game) does not ask for your email or name. It stores:
Strategies are shown to Periodic Gains only if you opt in to sharing. You can switch sharing off, or delete all of your game data, from the game's settings at any time.
The Android and iPhone versions of the game work the same way and store the same data. They show no ads, sell nothing and do not use your data for advertising. Data is sent over an encrypted connection (HTTPS).
Deleting your game data: open the game, go to More → Delete my game data. This permanently deletes your scientist, strategies, battles and progress from our servers. You can also email periodicgains@gmail.com with your scientist nickname and we will delete it within 30 days.
Questions about this policy? Email periodicgains@gmail.com