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Prediction Markets for Special Events

Bachelor parties, weddings, reunions, group trips — add an extra layer of fun with predictions about what's going to happen.

340+
Events hosted
12
Avg predictions
Maximum
Fun had
Live
😭
Wedding
Groom cries during vows?
85%
24+ bets
Live
😴
Party
Who falls asleep first?
34%
12+ bets
Live
🎲
Odds
Trip goes as planned?
23%
16+ bets
Why Poly.fan

Built for exactly this

Everything you need to run prediction markets with your group.

🎉

Event-Specific Groups

Create a group just for your event. Invite everyone attending, create themed predictions, archive it after.

Resolve In Real-Time

Markets can be resolved as things happen. "Will the best man roast go too far?" — resolve right after the speech.

📸

Instant Memories

Screenshot the predictions before and after. Becomes content for the group chat for years.

🌐

No App Required

100% web-based. Share a link and everyone's in. Works great even with older relatives who won't download anything.

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.

"Set up markets for my friend's wedding. "Groom cries during vows" hit 87%. He made it to the second sentence."
JH
Jen H.
Wedding Party
"Bachelor weekend predictions: who loses their phone, who goes to bed first, who gets lost. All three hit."
DT
Dave T.
Bachelor Party
"Made a market on whether our group trip itinerary would survive day one. It did not. The odds were right."
AK
Amanda K.
Trip Group
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.