Live probability
Odds are pool-weighted, so the more Cache behind a side, the higher its probability. Updates in real time as participants sign.
Start betting
on McMaster.
A ranked prediction market for Mac students.
Buy contracts on the outcomes of future events and let the record show you called it.
Participation is free using simulated money.
- 2
- open contracts
- —
- participants
- 1
- contracts signed
§ IMcMaster's prediction market
W
hat's happening at Mac?
McMaster campus life is full of things worth predicting. Called it. turns real-world events into purchasable contracts.
- And 308 others open right now.
Athletics · Nov 22closes in 14d
“Marauders win by 10+”
Yes74%
ALL TIME+24%
No26%
Pool $3,552
Signed252
Resolves Nov 22, 2026
How it works
Prediction markets.
01
Enter a market.
Create or find markets for upcoming events (sports, student politics, academics, professors, etc.).
§ IIThe house rules
A
ccuracy and accountability.
Cache is play-money
Called it. does NOT endorse gambling. Cache operates in a virtual economy and cannot be purchased or exchanged for real money.
Community-driven markets
Resolutions are determined by 1) reputable sources, 2) social media, 3) burden of proof on market creator, 4) weighted community consensus, 5) transparent admin override.
Public portfolios and rivalries
Compare your accuracy against friends, rivals, and the whole campus. All bought contracts are public and on your profile.
§ IIIThe boardLive
L
ive contracts, open to anyone.
Sign in to participate. No sign-in required to read.
ContractAll timeYes / No splitImpliedPool · Signed
01Will Xenos win anything?
YES 100NO 0
100%
Pool$25 cache1 signed
02This is an internal testing question. ?
YES 50NO 50
50%
Pool$0 cache0 signed
It pays to know
what you know.
Free to join, free of micro-transactions, and ad-free.
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