ShakeOnIt
Create prediction

Create prediction

Invite one person. No source, no referee — you both just declare. If your calls don't match, both of you lose your coins (no dispute). · with friends

A prediction with an invited friend. No dispute resolution—you both must agree on the outcome. If you disagree, both of you lose your coins.

Open to anyone. The AI writes the winner rule for your prediction and checks the outcome at Resolution Time; you can add a reliable source for it to check. · your own words, with everyone

Open to anyone. Write any prediction, in your own words.

Pick a real game from the published schedule, then choose who wins and by how much. The app writes the rule and settles it from the official final score. Joining closes when the game starts; if the game isn't played within a week, everyone gets their coins back. · with everyone

Pick a stock index and one of its next trading days, then say whether it closes higher or lower than it opens that day, and by how much. The app writes the rule; the day's official open and close decide it. Joining closes when that market opens. · with everyone

All major indices. Pick one and a trading day — will it close higher or lower?