Live prediction market odds for Alexander Blockx vs. Brandon Nakashima. Compare prices across Kalshi and Polymarket.
Join our Discord for breaking news alerts, driven by real-time movements in prediction markets.
MARKET RESOLVEDKalshi / Polymarket
Resolved 2026-04-25
This market resolved on 2026-04-25. Alexander Blockx was the officially declared outcome. Prior to resolution, the market peaked at 50%.
Alexander Blockx vs. Brandon Nakashima — ATP Tennis match held on 2026-04-25. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate |  |  |
|---|---|---|
Alexander BlockxWINNER | 99% | 0% |
Brandon Nakashima | 1% | 100% |
Alexander Blockx vs. Brandon Nakashima was a prediction market event tracked across 2 platforms (Kalshi, Polymarket). Alexander Blockx led the market at 50% implied probability before resolution. Other contenders include Brandon Nakashima at 50%.
Alexander Blockx held the lead at 50% implied probability heading into resolution. Behind Alexander Blockx, Brandon Nakashima at 50% were the next closest contenders. The 98.9% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here were the closing odds across Kalshi, Polymarket: Alexander Blockx: 99¢ on Kalshi, 0¢ on Polymarket. Brandon Nakashima: 1¢ on Kalshi, 100¢ on Polymarket. The 98.9% spread across platforms highlights where markets disagreed — a gap traders can exploit by buying low on one platform and selling high on another.
A price of 50¢ meant the market estimated a 50% chance that Alexander Blockx would be the outcome. Traders who bought at 50¢ and held through resolution received $1.00 per share — a 100% return on their position. Those on the wrong side received $0.
Build a custom bot or arb alert system for the “Alexander Blockx vs. Brandon Nakashima” event. All for free.
As seen on Financial Times, Guardian and Polymark.et
Used by builders and traders in our 3K+ Discord community
Alexander Blockx
49.5% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Brandon Nakashima wins the Nakashima vs Blockx professional tennis match in the 2026 ATP Madrid Round Of 64 after a ball has been played, then the market resolves to Yes.
The following market refers to the Nakashima vs Blockx professional tennis match in the 2026 ATP Madrid Round Of 64 after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks).
PolymarketThis market refers to the tennis match between Brandon Nakashima and Alexander Blockx in the Madrid Open, originally scheduled for April 25, 2026 at 5:00AM ET. This market will resolve to “Nakashima” if Brandon Nakashima wins the first set. It will resolve to “Blockx” if Alexander Blockx wins the first set. If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50. Resolution will be based on official ATP match statistics.
