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Make Predictions With Your People

Polymarket is great for world events. But sometimes you want to predict things only your friend group would care about.

180+
Active groups
7
Avg group size
8,400+
Predictions made
Live
💍
Drama
Will Jake finally propose?
67%
12+ bets
Live
🚗
Plans
Road trip actually happens?
42%
8+ bets
Live
🏈
Sports
Who wins fantasy this year?
28%
10+ bets
Why Poly.fan

Built for exactly this

Everything you need to run prediction markets with your group.

🔒

Private by Default

Your predictions stay between you and your friends. Only people you invite can see and participate. No public profiles.

🎲

Literally Any Topic

Inside jokes, relationship drama, vacation plans, who picks the worst restaurant — if your group cares about it, you can predict it.

📈

Track Who's Winning

Running leaderboards show who has the best prediction track record. Finally settle "I told you so" debates with data.

📱

Quick From Your Phone

Make predictions in seconds from your phone. Drop a link in the group chat and everyone's in.

Leaderboard
This week
Live
1
SK
Sarah K. 2450
2
MD
Mike D. 2170
3
AP
Alex P. 1890
Your rank: #7 1,890 pts
Real Stories

What people are saying

Real feedback from real groups.

"We made a market on whether our friend would actually show up on time to his own birthday. He didn't. We all saw it coming."
SK
Sarah K.
Friend Group·8 people
"The "will they get back together" market ran for 6 months. When it finally resolved, the group chat went wild."
MD
Mike D.
College Friends
"We track everything now. Who picks the restaurant, who's late, who cancels last minute. There's data on all of it."
AP
Alex P.
High School Friends
Quick Setup

Get started in 60 seconds

No credit card. Free forever for virtual trading.

Name your space
my-group .poly.fan
1

Create your space

Pick a name, get your subdomain.

Share invite link
mygroup.poly.fan/join/x7k
Copy
3 joined!
2

Invite your crew

Share a link. They join instantly.

Your first market? 72%
3

Start predicting

Create markets, see who knows best.

Ready to start predicting?

Join hundreds of groups already making predictions together. Free to start, no credit card required.