Colosseum

Colosseum

Prediction markets crafted for fun and friendly competition.
Bet on anything with your friends.

Fast

Create and trade markets instantly. Built for speed so you can focus on the fun, not the friction.

Social

Bet with your friends, coworkers, and team. See what everyone really thinks with real-time market prices.

Simple

No complexity, just fun. Create a market, trade shares, and collect when you're right. That's it.

Fun predictions

Here are some ideas for markets you can create with your friends

Bob will break production this week

YES 65¢NO 35¢

Tom will eat at Chipotle on Tuesday

YES 42¢NO 58¢

Sarah will be late to standup 3+ times

YES 78¢NO 22¢

Team will ship the feature before Friday

YES 35¢NO 65¢

Kevin will mention crypto in the meeting

YES 89¢NO 11¢

PR review will take more than 2 days

YES 55¢NO 45¢

Ready to start betting?

Create your account and start trading with your friends.