Live prediction market odds for Arizona Diamondbacks vs. Seattle Mariners (4:10 PM ET). Compare prices across Kalshi and Polymarket and ProphetX.
Join our Discord for breaking news alerts, driven by real-time movements in prediction markets.
MARKET RESOLVEDKalshi / Polymarket / ProphetX
Resolved 2026-05-31
This market resolved on 2026-05-31. Total over 4.5 was the officially declared outcome. Prior to resolution, the market peaked at 100%.
Arizona Diamondbacks vs. Seattle Mariners (4:10 PM ET) — MLB game held on 2026-05-31. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate |  |  |  |
|---|---|---|---|
Total over 4.5WINNER | — | 100% | — |
Seattle Mariners | 99% | — | 84% |
Arizona Diamondbacks | 1% | — |
Arizona Diamondbacks vs. Seattle Mariners (4:10 PM ET) was a prediction market event tracked across 3 platforms (Kalshi, Polymarket, ProphetX). Total over 4.5 led the market at 100% implied probability before resolution. Other contenders include Seattle Mariners at 91%, Arizona Diamondbacks at 13%, Total under 4.5 at 0%.
Total over 4.5 held the lead at 100% implied probability heading into resolution. Behind Total over 4.5, Seattle Mariners at 91% and Arizona Diamondbacks at 13% and Total under 4.5 at 0% were the next closest contenders. The 23.2% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here were the closing odds across Kalshi, Polymarket, ProphetX: Total over 4.5: 100¢ on Polymarket. Seattle Mariners: 99¢ on Kalshi, 84¢ on ProphetX. Arizona Diamondbacks: 1¢ on Kalshi, 24¢ on ProphetX. Total under 4.5: 0¢ on Polymarket. The 23.2% 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 100¢ meant the market estimated a 100% chance that Total over 4.5 would be the outcome. Traders who bought at 100¢ and held through resolution received $1.00 per share — a 0% return on their position. Those on the wrong side received $0.
Build a custom bot or arb alert system for the “Arizona Diamondbacks vs. Seattle Mariners (4:10 PM ET)” event. All for free.
As seen on Financial Times, Guardian and Polymark.et
Used by builders and traders in our 3K+ Discord community
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket and ProphetX.
KalshiIf Seattle wins the Arizona vs Seattle professional baseball game originally scheduled for May 31, 2026 at 4:10 PM EDT, then the market resolves to Yes.
The following market refers to the Arizona vs Seattle professional baseball game originally scheduled for May 31, 2026 at 4:10 PM EDT. If this game is postponed or delayed, the market will remain open and close after the rescheduled game has finished (within two days). If the game is cancelled or rescheduled to over two days away, the market will resolve to a fair price in accordance with the rules.
PolymarketIn the upcoming MLB game between the Arizona Diamondbacks and Seattle Mariners, scheduled for May 31 at 4:10PM ET: This market will resolve to "Arizona Diamondbacks" if the Arizona Diamondbacks win the game. This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
ProphetXSports moneyline - resolves based on official game outcome per ProphetX Prediction Rules
| 24% |
Total under 4.5 | — | 0% | — |
Arizona Diamondbacks spread minus 1.5 | — | — | — |
Arizona Diamondbacks spread minus 2.5 | — | — | — |
Arizona Diamondbacks spread minus 3.5 | — | — | — |
Arizona Diamondbacks spread plus 1.5 | — | — | — |
Arizona Diamondbacks spread plus 2.5 | — | — | — |
Arizona Diamondbacks spread plus 3.5 | — | — | — |
Arizona Diamondbacks spread plus 4.5 | — | — | — |
Seattle Mariners spread minus 1.5 | — | — | — |
Seattle Mariners spread minus 2.5 | — | — | — |
Seattle Mariners spread minus 3.5 | — | — | — |
Seattle Mariners spread minus 4.5 | — | — | — |
Seattle Mariners spread plus 1.5 | — | — | — |
Seattle Mariners spread plus 2.5 | — | — | — |
Seattle Mariners spread plus 3.5 | — | — | — |
Total over 10.5 | — | — | — |
Total over 5.5 | — | — | — |
Total over 6.5 | — | — | — |
Total over 7.5 | — | — | — |
Total over 8.5 | — | — | — |
Total over 9.5 | — | — | — |
Total under 10.5 | — | — | — |
Total under 5.5 | — | — | — |
Total under 6.5 | — | — | — |
Total under 7.5 | — | — | — |
Total under 8.5 | — | — | — |
Total under 9.5 | — | — | — |
Seattle Mariners
91.3% avg
