Key Takeaways
- Kalshi and Polymarket combined pulled in nearly $1.9 billion in wagers on the midterm elections.
- Kalshi's election predictions won 98% of resolved races, but missed some major upsets like Greg Abbott's loss in Texas.
- The NFL's ad ban forces prediction markets to sidestep the Super Bowl broadcast entirely.
In mid-October, a Times Square billboard displayed the odds of Democrats winning the Senate in the U.S. midterm elections. The sign didn’t belong to a polling firm or cable broadcaster; it was an ad for prediction platform Kalshi.
The poster was a glowing reminder of how prediction market platforms—which let traders buy and sell ‘yes’ or ‘no’ contracts on a range of outcomes—are going mainstream.
Kalshi’s rival Polymarket went big on marketing in October too, and so far the ROI looks good for both. A Washington Post analysis found that combined, the brands pulled in nearly $1.9 billion in wagers on the midterm vote.
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