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Live prediction market odds for Seattle Mariners vs. Boston Red Sox (4:10 PM ET). Compare prices across Kalshi and Polymarket US and Polymarket and ProphetX.

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Claim offerLegal in USAVerified Sep 14, 2026

MARKET RESOLVEDKalshi / Polymarket US / Polymarket / ProphetX

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Seattle Mariners Wins: Seattle Mariners vs. Boston Red Sox (4:10 PM ET)

MLB·Resolved 2026-09-02

This market resolved on 2026-09-02. Seattle Mariners was the officially declared outcome. Prior to resolution, the market peaked at 99%.

About This Market

Seattle Mariners vs.

Seattle Mariners vs. Boston Red Sox (4:10 PM ET): MLB game held on 2026-09-02. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.

Price History

Multi-Platform Probabilities
Loading 30D data…

Final Closing Odds

4 platforms
Candidate
Kalshi
Polymarket US
Polymarket
ProphetX
Bryce Miller Under 3.5 Strikeouts
——100%—
Bryce Miller Under 6.5 Strikeouts
——100%—
Bryce Miller Under 7.5 Strikeouts
——100%—
Ceddanne Rafaela Under 0.5 Home Runs
——100%—
Ceddanne Rafaela Under 1.5 Home Runs
——100%—
Cole Young Under 1.5 Home Runs
——100%—
Dominic Canzone Under 1.5 Home Runs
——100%—
Josh Naylor Under 1.5 Home Runs
——100%—
Julio Rodriguez Under 1.5 Home Runs
——100%—
Mickey Gasper Under 1.5 Home Runs
——100%—
Nick Sogard Under 1.5 Home Runs
——100%—
Patrick Sandoval Under 3.5 Strikeouts
——100%—
Patrick Sandoval Under 4.5 Strikeouts
——100%—
Patrick Sandoval Under 6.5 Strikeouts
——100%—
Patrick Sandoval Under 7.5 Strikeouts
——100%—
Randy Arozarena Under 1.5 Home Runs
——100%—
Roman Anthony Under 1.5 Home Runs
——100%—
Wilyer Abreu Under 1.5 Home Runs
——100%—
Bryce Miller Over 2.5 Strikeouts
99%—100%—
Seattle Mariners spread plus 2.5
——100%99%
Caleb Durbin Over 0.5 Hits
99%———
Caleb Durbin Over 0.5 Hits + Runs + RBIs
99%———
Ceddanne Rafaela Over 0.5 Hits
99%———
Ceddanne Rafaela Over 0.5 Hits + Runs + RBIs
99%———
Cole Young Over 0.5 Hits + Runs + RBIs
99%———
Julio Rodriguez Over 0.5 Hits
99%———
Julio Rodriguez Over 0.5 Hits + Runs + RBIs
99%———
Julio Rodriguez Over 1.5 Hits
99%———
Julio Rodriguez Over 2.5 Hits + Runs + RBIs
99%———
Julio Rodriguez Over 3.5 Hits + Runs + RBIs
99%———
Patrick Sandoval Over 1.5 Earned Runs
99%———
Randy Arozarena Over 0.5 Hits
99%———
Randy Arozarena Over 0.5 Hits + Runs + RBIs
99%———
Roman Anthony Over 0.5 Hits
99%———
Roman Anthony Over 0.5 Hits + Runs + RBIs
99%———
Roman Anthony Over 1.5 Hits
99%———
Roman Anthony Over 2.5 Hits
99%———
Roman Anthony Over 2.5 Hits + Runs + RBIs
99%———
Roman Anthony Over 3.5 Hits + Runs + RBIs
99%———
Roman Anthony Over 4.5 Hits + Runs + RBIs
99%———
Wilyer Abreu Over 0.5 Hits
99%———
Wilyer Abreu Over 0.5 Hits + Runs + RBIs
99%———
Wilyer Abreu Over 1.5 Hits
99%———
Wilyer Abreu Over 2.5 Hits
99%———
Wilyer Abreu Over 2.5 Hits + Runs + RBIs
99%———
Wilyer Abreu Over 3.5 Hits + Runs + RBIs
99%———
Randy Arozarena Under 0.5 Home Runs
——100%99%
Seattle Mariners spread minus 2.5
99%—100%99%
Josh Naylor Under 0.5 Home Runs
——100%98%
Seattle MarinersWINNER
99%98%100%98%
Wilyer Abreu Under 0.5 Home Runs
——100%98%
Mickey Gasper Under 0.5 Home Runs
——100%98%
Nick Sogard Under 0.5 Home Runs
——100%97%
Cole Young Under 0.5 Home Runs
——100%97%
Seattle Mariners spread plus 4.5
———96%
Cal Raleigh Under 0.5 Home Runs
———95%
Dominic Canzone Under 0.5 Home Runs
——100%93%
Total over 9.5
99%—100%93%
Roman Anthony Under 0.5 Home Runs
——0%90%
Total over 6.5
99%——90%
Julio Rodriguez Under 0.5 Home Runs
——100%89%
Seattle Mariners spread plus 1.5
——100%87%
Total over 10.5
99%——81%
Seattle Mariners spread plus 3.5
———80%
Seattle Mariners spread minus 1.5
99%—100%75%
Total over 8.5
99%—100%75%
Seattle Mariners spread minus 4.5
———74%
Wilyer Abreu Over 1.5 Hits + Runs + RBIs
86%——56%
Mickey Gasper Over 0.5 Home Runs
1%——71%
Total over 7.5
99%—100%71%
Bryce Miller Under 4.5 Strikeouts
——80%56%
Cal Raleigh Under 1.5 Hits + Runs + RBIs
———68%
Connor Wong Under 1.5 Hits + Runs + RBIs
———68%
Cal Raleigh Over 0.5 Hits + Runs + RBIs
66%———
Boston Red Sox spread plus 1.0
———65%
Patrick Sandoval Under 5.5 Strikeouts
——100%65%
Weston Wilson Over 0.5 Hits + Runs + RBIs
63%——63%
J.P. Crawford Under 1.5 Hits + Runs + RBIs
———62%
Taylor Ward Under 1.5 Hits + Runs + RBIs
———59%
Cole Young Under 1.5 Hits + Runs + RBIs
———59%
Total under 9.0
———59%
Roman Anthony Over 1.5 Hits + Runs + RBIs
99%——58%
Trevor Story Under 1.5 Hits + Runs + RBIs
———58%
Ceddanne Rafaela Over 1.5 Hits + Runs + RBIs
59%——56%
Nick Sogard Under 1.5 Hits + Runs + RBIs
———56%
Cal Raleigh Over 0.5 Hits
56%———
Dominic Canzone Under 1.5 Hits + Runs + RBIs
———55%
Jarren Duran Under 1.5 Hits + Runs + RBIs
———55%
Randy Arozarena Over 1.5 Hits + Runs + RBIs
99%——55%
Josh Naylor Under 1.5 Hits + Runs + RBIs
———54%
Caleb Durbin Under 1.5 Hits + Runs + RBIs
———54%
Julio Rodriguez Over 1.5 Hits + Runs + RBIs
99%——53%
Mickey Gasper Over 1.5 Hits + Runs + RBIs
99%——53%
Seattle Mariners spread plus 1.0
———53%
Total over 8.0
———53%
Mickey Gasper Under 1.5 Hits + Runs + RBIs
———53%
Cal Raleigh Over 1.5 Hits + Runs + RBIs
0%——52%
Julio Rodriguez Under 1.5 Hits + Runs + RBIs
———52%
Josh Naylor Over 1.5 Hits + Runs + RBIs
99%——51%
Ceddanne Rafaela Under 1.5 Hits + Runs + RBIs
———51%
Dominic Canzone Over 1.5 Hits + Runs + RBIs
99%——50%
Randy Arozarena Under 1.5 Hits + Runs + RBIs
———50%
Wilyer Abreu Under 1.5 Hits + Runs + RBIs
———50%
Boston Red Sox spread minus 1.0
———49%
Total under 8.0
———48%
Caleb Durbin Over 1.5 Hits + Runs + RBIs
47%——49%
Jarren Duran Over 1.5 Hits + Runs + RBIs
48%——48%
Roman Anthony Under 1.5 Hits + Runs + RBIs
———48%
Trevor Story Over 1.5 Hits + Runs + RBIs
99%——47%
Taylor Ward Over 1.5 Hits + Runs + RBIs
46%——47%
Cole Young Over 1.5 Hits + Runs + RBIs
44%——46%
Ceddanne Rafaela Over 2.5 Hits + Runs + RBIs
45%———
Randy Arozarena Over 2.5 Hits + Runs + RBIs
45%———
Nick Sogard Over 1.5 Hits + Runs + RBIs
40%——49%
J.P. Crawford Over 1.5 Hits + Runs + RBIs
99%——45%
Weston Wilson Under 0.5 Hits + Runs + RBIs
———45%
Total over 9.0
———44%
Seattle Mariners spread minus 3.5
99%——43%
Patrick Sandoval Over 5.5 Strikeouts
1%——42%
Julio Rodriguez Over 4.5 Hits + Runs + RBIs
41%———
Cal Raleigh Over 0.5 Home Runs
18%——62%
Connor Wong Over 1.5 Hits + Runs + RBIs
38%——42%
Seattle Mariners spread minus 1.0
———37%
Bryce Miller Over 4.5 Strikeouts
1%—20%47%
Total under 7.5
——0%33%
Caleb Durbin Over 1.5 Hits
31%———
Cal Raleigh Over 2.5 Hits + Runs + RBIs
30%———
Caleb Durbin Over 2.5 Hits + Runs + RBIs
30%———
Wilyer Abreu Over 4.5 Hits + Runs + RBIs
30%———
Total under 8.5
——0%29%
Boston Red Sox spread plus 1.5
——0%29%
Total under 10.5
———29%
Boston Red Sox spread plus 4.5
———28%
Roman Anthony Over 3.5 Hits
27%———
Cole Young Over 2.5 Hits + Runs + RBIs
26%———
Julio Rodriguez Over 2.5 Hits
22%———
Boston wins by over 3.5 runs
1%——22%
Cal Raleigh Over 3.5 Hits + Runs + RBIs
20%———
Ceddanne Rafaela Over 2.5 Hits
20%———
Ceddanne Rafaela Over 3.5 Hits + Runs + RBIs
20%———
Mickey Gasper Over 1.5 Home Runs
19%———
Cal Raleigh Over 1.5 Hits
18%———
Boston Red Sox spread minus 1.5
1%—0%17%
Total under 9.5
——0%17%
Julio Rodriguez Over 0.5 Home Runs
1%——15%
Boston Red Sox spread plus 3.5
———14%
Cole Young Over 3.5 Hits + Runs + RBIs
14%———
Randy Arozarena Over 0.5 Home Runs
1%——14%
Roman Anthony Over 0.5 Home Runs
99%—100%14%
Caleb Durbin Over 3.5 Hits + Runs + RBIs
13%———
Boston Red Sox spread minus 2.5
1%—0%12%
Total under 6.5
———11%
Boston Red Sox spread plus 2.5
——0%11%
Jarren Duran Over 0.5 Home Runs
1%——11%
Dominic Canzone Over 0.5 Home Runs
1%——11%
Trevor Story Over 0.5 Home Runs
1%——11%
Bryce Miller Over 7.5 Strikeouts
10%———
Ceddanne Rafaela Over 4.5 Hits + Runs + RBIs
10%———
Wilyer Abreu Over 0.5 Home Runs
1%——10%
Boston Red Sox spread minus 4.5
———9%
Ceddanne Rafaela Over 0.5 Home Runs
1%——8%
Nick Sogard Over 0.5 Home Runs
1%——7%
Cole Young Over 0.5 Home Runs
1%——7%
Caleb Durbin Over 4.5 Hits + Runs + RBIs
7%———
Cole Young Over 4.5 Hits + Runs + RBIs
7%———
Caleb Durbin Over 0.5 Home Runs
1%——7%
J.P. Crawford Over 0.5 Home Runs
1%——6%
Connor Wong Over 0.5 Home Runs
3%——8%
Josh Naylor Over 0.5 Home Runs
3%——8%
Caleb Durbin Over 2.5 Hits
4%———
Boston Red Sox
1%3%0%4%
Julio Rodriguez Over 3.5 Hits
3%———
Patrick Sandoval Over 7.5 Strikeouts
3%———
Randy Arozarena Over 2.5 Hits
3%———
Roman Anthony Over 1.5 Home Runs
3%———
Cal Raleigh Over 1.5 Home Runs
2%———
Cole Young Over 2.5 Hits
2%———
Julio Rodriguez Over 1.5 Home Runs
2%———
Randy Arozarena Over 1.5 Home Runs
2%———
Bryce Miller Over 3.5 Strikeouts
1%———
Bryce Miller Over 6.5 Strikeouts
1%———
Caleb Durbin Over 1.5 Home Runs
1%———
Ceddanne Rafaela Over 1.5 Hits
1%———
Ceddanne Rafaela Over 1.5 Home Runs
1%———
Cole Young Over 0.5 Hits
1%———
Cole Young Over 1.5 Hits
1%———
Dominic Canzone Over 1.5 Home Runs
1%———
Patrick Sandoval Over 3.5 Strikeouts
1%———
Patrick Sandoval Over 4.5 Strikeouts
1%———
Patrick Sandoval Over 6.5 Strikeouts
1%———
Randy Arozarena Over 1.5 Hits
1%———
Wilyer Abreu Over 1.5 Home Runs
1%———
Bryce Miller Under 2.5 Strikeouts
——0%—
Cal Raleigh Over 2.5 Hits
0%———
Cal Raleigh Over 4.5 Hits + Runs + RBIs
0%———
Ceddanne Rafaela Over 3.5 Hits
0%———
Randy Arozarena Over 3.5 Hits
0%———
Cole Young Over 1.5 Home Runs
————
Josh Naylor Over 1.5 Home Runs
————
Nick Sogard Over 1.5 Home Runs
————

Resolution Oracles

KalshiKalshi
Kalshi Rules
PolymarketPolymarket
UMA Optimistic OracleConsensus of Sources
ProphetXProphetX
ProphetX Rules
Read Full Market Rulebooks
Stats
Spread4.2%
Platforms4
Candidates2
Winner

Seattle Mariners

98.7% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Seattle Mariners vs. Boston Red Sox (4:10 PM ET)

Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket and Polymarket US and ProphetX.

KalshiKalshi
Primary Rule

If Boston wins the Seattle vs Boston professional baseball game originally scheduled for Sep 2, 2026 at 4:10 PM EDT, then the market resolves to Yes.

Edge Cases

The following market refers to the Seattle vs Boston professional baseball game originally scheduled for Sep 2, 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. Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.

Resolution Oracles
Kalshi Rules
PolymarketPolymarket
Primary Rule

In the upcoming MLB game between the Seattle Mariners and Boston Red Sox, scheduled for September 2 at 4:10PM ET: This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game. This market will resolve to "Boston Red Sox" if the Boston Red Sox 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.

Resolution Oracles
UMA Optimistic OracleConsensus of Sources
Polymarket USPolymarket US
Primary Rule

This market will settle to the winner of the Seattle Mariners vs Boston Red Sox MLB game scheduled for 2026-09-02 at 4:10PM ET. Extra innings are included if played. If the game is delayed, postponed, or suspended and not rescheduled to a date within two weeks of the originally scheduled date, the market will settle to the last fair market price. Outcome sourced from MLB.

ProphetXProphetX
Primary Rule

Sports moneyline - resolves based on official game outcome per ProphetX Prediction Rules

Resolution Oracles
ProphetX Rules

Frequently Asked Questions

What does the Seattle Mariners vs. Boston Red Sox (4:10 PM ET) prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Polymarket US, Polymarket, ProphetX in one place. Each price reflects the market’s implied probability, not a guaranteed result. This event is archived; prices shown are historical.

What were the last available Seattle Mariners vs. Boston Red Sox (4:10 PM ET) odds?

The last available prices are Seattle Mariners: 99.0¢ on Kalshi, 99.9¢ on Polymarket, 98.3¢ on ProphetX, 97.5¢ on Polymarket US; Boston Red Sox: 1.0¢ on Kalshi, 0.1¢ on Polymarket, 4.3¢ on ProphetX, 2.5¢ on Polymarket US. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity. The last available price is not necessarily the final settlement price.

Why do Seattle Mariners vs. Boston Red Sox (4:10 PM ET) odds vary across prediction markets?

The largest price difference shown across venues is 4.2 percentage points. Venues have different traders, liquidity and fees, so their prices can differ. A price gap alone does not establish an executable arbitrage opportunity; compare settlement rules and the actual buy and sell prices.

How do Seattle Mariners vs. Boston Red Sox (4:10 PM ET) prediction market payouts work?

For example, Seattle Mariners at 98.7¢ implies about a 98.7% chance. For a standard $1 contract, a share pays $1 if its outcome settles as correct and $0 if it settles as incorrect. A winning share bought at 40¢ earns 60¢ before fees. Check each venue’s settlement rules, fees and eligibility before trading. Historical prices alone do not identify the winning outcome.

Learn more:How to Read Prediction Market PricesCompare Fees Before You TradeNew to Polymarket?

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