What is capper.?
Capper shows you what happens to the odds under every possible next event — goal, touchdown, red card, turnover — updated live during the game.
It is the only tool that shows you where the line is going, not just where it is.
How it works
Market-anchored
Every projection is anchored to the live prediction market price. We show where the market GOES under each scenario, not a competing probability. The market price is always the headline number.
Scenario trees
For each possible next event (a goal, a red card, no more goals), we compute the projected market price and the expected movement in points. You see which events would cause the biggest swings.
Real-time updates
The engine recalculates every 2-5 seconds. Scores come from the fastest available feed. When the market moves before the score updates, we flag it as a potential event in progress (VAR review, unpublished goal).
Receipts
Every prediction is logged tick-by-tick. After each goal or card, we compare what we predicted vs. where the market actually went. Every game becomes a permanent record with real accuracy data.
What we are not
- We do not provide trading signals, picks, or betting advice.
- We do not tell you to buy or sell anything.
- We show the model probability alongside the market price. You decide.
Built by an indie developer. Currently covering the FIFA World Cup 2026, with NFL, NBA, MLB, and NHL planned for their upcoming seasons.