OmnidiaMarket blog

Plain-English guides to prediction markets and predicting with friends, from a free, play-money social prediction game. Start with what a prediction market is, how to predict with your group chat, and the honest answer to whether prediction markets are gambling. Virtual tokens only — no real money.

• What is a prediction market? A beginner’s guideThe beginner’s guide: what a prediction market is, why the price equals the probability, and the real-money vs play-money difference.
• How to predict with friends (play-money): the complete guideTurn your group chat’s calls into a scored game: how predicting with friends works, how to set one up, and which app fits.
• Are prediction markets gambling? The honest answerThe honest answer: real-money markets are a form of gambling; a play-money game is not — the line is whether money can go in or out.

Virtual tokens only. No real money. No cash-out. Just bragging rights. 18+.