Live prediction market odds for Boston Red Sox vs. Tampa Bay Rays (6:40 PM ET). Compare prices across Kalshi and Polymarket and ProphetX.
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MARKET RESOLVEDKalshi / Polymarket / ProphetX
Resolved 2026-06-09
This market resolved on 2026-06-09. Over 1.5 runs scored was the officially declared outcome. Prior to resolution, the market peaked at 99%.
Boston Red Sox vs. Tampa Bay Rays (6:40 PM ET) — MLB game held on 2026-06-09. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate |  |  |  |
|---|---|---|---|
Over 1.5 runs scoredWINNER | 99% | — | — |
Over 2.5 runs scored | 99% | — | — |
Over 3.5 runs scored | 99% | — | — |
Boston Red Sox vs. Tampa Bay Rays (6:40 PM ET) was a prediction market event tracked across 3 platforms (Kalshi, Polymarket, ProphetX). Over 1.5 runs scored led the market at 99% implied probability before resolution. Other contenders include Over 2.5 runs scored at 99%, Over 3.5 runs scored at 99%, Tampa Bay Rays spread plus 3.5 at 96%.
Over 1.5 runs scored held the lead at 99% implied probability heading into resolution. Behind Over 1.5 runs scored, Over 2.5 runs scored at 99% and Over 3.5 runs scored at 99% and Tampa Bay Rays spread plus 3.5 at 96% were the next closest contenders. The 59.0% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here were the closing odds across Kalshi, Polymarket, ProphetX: Over 1.5 runs scored: 99¢ on Kalshi. Over 2.5 runs scored: 99¢ on Kalshi. Over 3.5 runs scored: 99¢ on Kalshi. Tampa Bay Rays spread plus 3.5: 96¢ on Polymarket. The 59.0% 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 99¢ meant the market estimated a 99% chance that Over 1.5 runs scored would be the outcome. Traders who bought at 99¢ and held through resolution received $1.00 per share — a 1% return on their position. Those on the wrong side received $0.
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Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket and ProphetX.
KalshiIf Boston wins the Boston vs Tampa Bay professional baseball game originally scheduled for Jun 9, 2026 at 6:40 PM EDT, then the market resolves to Yes.
The following market refers to the Boston vs Tampa Bay professional baseball game originally scheduled for Jun 9, 2026 at 6:40 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 Boston Red Sox and Tampa Bay Rays, scheduled for June 9 at 6:40PM ET: This market will resolve to "Boston Red Sox" if the Boston Red Sox win the game. This market will resolve to "Tampa Bay Rays" if the Tampa Bay Rays 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
Tampa Bay Rays spread plus 3.5 | — | 96% | — |
Tampa Bay Rays spread plus 2.5 | — | 94% | — |
Tampa Bay Rays | 99% | 87% | 99% |
Total over 4.5 | 99% | 91% | — |
Tampa Bay Rays spread plus 1.5 | — | 89% | — |
Total under 10.5 | — | 82% | — |
Total over 5.5 | 99% | 77% | — |
Total under 9.5 | — | 76% | — |
Boston Red Sox spread plus 3.5 | — | 75% | — |
Total over 6.5 | 99% | 66% | — |
Total under 8.5 | — | 62% | — |
Boston Red Sox spread plus 2.5 | — | 60% | — |
Tampa Bay Rays spread minus 1.5 | 1% | 60% | — |
Total under 7.5 | — | 52% | — |
Total over 7.5 | 1% | 49% | — |
Boston Red Sox spread plus 1.5 | — | 40% | — |
Tampa Bay Rays spread minus 2.5 | 1% | 40% | — |
Total over 8.5 | 1% | 38% | — |
Total under 6.5 | — | 35% | — |
Tampa Bay Rays spread minus 3.5 | 1% | 25% | — |
Total over 9.5 | 1% | 25% | — |
Total under 5.5 | — | 24% | — |
Total over 10.5 | 1% | 19% | — |
Boston Red Sox spread minus 1.5 | 1% | 11% | — |
Total under 4.5 | — | 10% | — |
Boston Red Sox | 1% | 14% | 4% |
Boston Red Sox spread minus 2.5 | 1% | 7% | — |
Boston Red Sox spread minus 3.5 | 1% | 4% | — |
Over 11.5 runs scored | 1% | — | — |
Boston Red Sox spread minus 4.5 | — | — | — |
Tampa Bay Rays spread plus 4.5 | — | — | — |
Tampa Bay Rays
94.8% avg
