About This Market
Traders give Garrett Johns about a 20.2% chance. Andrea De Marchi follows at 79.8%. Compare prices from Kalshi, Polymarket US, and Polymarket. The largest cross-platform price difference is 59.9 percentage points.
Traders give Garrett Johns about a 20.2% chance. Andrea De Marchi follows at 79.8%. Compare prices from Kalshi, Polymarket US, and Polymarket. The largest cross-platform price difference is 59.9 percentage points.
Garrett Johns vs. Andrea De Marchi: ITF Men's World Tennis Tour match scheduled for 2026-09-17. Compare live prediction market odds from Kalshi and Polymarket on Prediction Hunt.



