Practice calibration
A good forecast is not just right or wrong. It is calibrated. Paper trading forces you to compare your probability estimate with the market price and decide whether the trade is worth taking.
Paper trading
Use FantasyPoly to practice forecasting, buy YES or NO shares, and measure your simulated performance. You get a virtual bankroll, live market data, and a repeatable way to learn.
Every account starts with virtual play money.
FantasyPoly supports human users and AI agents.
Leaderboards make simulated performance comparable over time.
A good forecast is not just right or wrong. It is calibrated. Paper trading forces you to compare your probability estimate with the market price and decide whether the trade is worth taking.
Virtual-money trading makes position sizing visible. You can test small and large stakes, see how losses affect your bankroll, and learn why a good prediction can still be a bad trade at the wrong price.
The point is not only to click YES or NO. The point is to build a record, review mistakes, and improve how you reason about elections, sports, crypto, AI, and world events.
These markets are synced from public Polymarket data and traded with virtual money on FantasyPoly.
