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Live prediction market odds for Boston Red Sox vs. Baltimore Orioles (7:15 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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Boston Red Sox Wins: Boston Red Sox vs. Baltimore Orioles (7:15 PM ET)

MLB·Resolved 2026-09-03

This market resolved on 2026-09-03. Boston Red Sox was the officially declared outcome. Prior to resolution, the market peaked at 95%.

About This Market

Boston Red Sox vs.

Boston Red Sox vs. Baltimore Orioles (7:15 PM ET): MLB game held on 2026-09-03. 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
Caleb Durbin Under 1.5 Home Runs
——100%—
Coby Mayo Under 1.5 Home Runs
——100%—
Over 3.5 runs scored
100%———
Over 4.5 runs scored
100%———
Jackson Holliday Under 0.5 Home Runs
——99%—
Jake Bennett Over 16.5 Pitcher Outs
99%———
Jake Bennett Over 5.5 Strikeouts
99%———
Over 2.5 runs scored
99%———
Boston Red Sox spread plus 1.5
——98%93%
Boston Red Sox spread plus 3.5
———94%
Total under 11.5
———94%
Leody Taveras Under 0.5 Home Runs
——99%93%
Boston Red Sox spread plus 2.5
——100%92%
Boston Red SoxWINNER
99%89%100%90%
Roman Anthony Under 0.5 Home Runs
——0%87%
Caleb Durbin Under 0.5 Home Runs
——80%93%
Baltimore Orioles spread plus 3.5
———86%
Mickey Gasper Under 0.5 Home Runs
——1%86%
Gunnar Henderson Under 0.5 Home Runs
——80%91%
Boston Red Sox spread minus 1.5
1%—83%85%
Christian Encarnacion-Strand Under 0.5 Home Runs
——84%83%
Coby Mayo Under 0.5 Home Runs
——81%85%
Wilyer Abreu Under 0.5 Home Runs
——0%82%
Mickey Gasper Under 1.5 Home Runs
——80%—
Pete Alonso Under 0.5 Home Runs
——77%83%
Christian Encarnacion-Strand Under 1.5 Home Runs
——80%—
Jackson Holliday Under 1.5 Home Runs
——80%—
Gunnar Henderson Under 1.5 Hits + Runs + RBIs
——97%59%
Total under 10.5
———77%
Over 5.5 runs scored
76%———
Ceddanne Rafaela Over 0.5 Hits + Runs + RBIs
75%———
Ceddanne Rafaela Under 1.5 Hits + Runs + RBIs
———72%
Total under 8.5
——100%72%
Roman Anthony Under 1.5 Hits + Runs + RBIs
——97%47%
Ceddanne Rafaela Over 0.5 Hits
69%———
Wilyer Abreu Under 1.5 Hits + Runs + RBIs
——80%50%
Leody Taveras Over 0.5 Hits + Runs + RBIs
——99%64%
Boston Red Sox spread plus 1.0
———64%
Boston Red Sox spread minus 2.5
1%—38%84%
Christian Encarnacion-Strand Under 1.5 Hits + Runs + RBIs
——1%60%
Leody Taveras Under 0.5 Hits + Runs + RBIs
——80%41%
Isiah Kiner-Falefa Under 1.5 Hits + Runs + RBIs
———60%
Nick Sogard Under 1.5 Hits + Runs + RBIs
———60%
Roman Anthony Over 1.5 Hits + Runs + RBIs
99%—99%59%
Blaze Alexander Over 1.5 Hits + Runs + RBIs
———58%
Dylan Beavers Over 0.5 Hits + Runs + RBIs
———58%
Carlos Narvaez Over 0.5 Hits + Runs + RBIs
———57%
Baltimore Orioles spread minus 1.5
1%—98%16%
Jarren Duran Under 1.5 Hits + Runs + RBIs
———56%
Total over 7.5
99%—100%56%
Blaze Alexander Under 1.5 Hits + Runs + RBIs
———55%
Caleb Durbin Under 1.5 Hits + Runs + RBIs
——0%55%
Coby Mayo Under 1.5 Hits + Runs + RBIs
——99%55%
Coby Mayo Over 1.5 Hits + Runs + RBIs
———55%
Adley Rutschman Under 1.5 Hits + Runs + RBIs
———54%
Luis Robert Jr. Over 1.5 Hits + Runs + RBIs
———54%
Mickey Gasper Over 1.5 Hits + Runs + RBIs
———54%
Adley Rutschman Over 1.5 Hits + Runs + RBIs
———54%
Ceddanne Rafaela Over 1.5 Hits + Runs + RBIs
53%——53%
Mickey Gasper Under 1.5 Hits + Runs + RBIs
——49%53%
Luis Robert Jr. Under 1.5 Hits + Runs + RBIs
———51%
Nick Sogard Over 1.5 Hits + Runs + RBIs
———49%
Carlos Narvaez Under 0.5 Hits + Runs + RBIs
———49%
Christian Encarnacion-Strand Over 1.5 Hits + Runs + RBIs
——99%49%
Jarren Duran Over 1.5 Hits + Runs + RBIs
———49%
Total under 7.5
——100%48%
Brandon Young Under 3.5 Strikeouts
——0%47%
Isiah Kiner-Falefa Over 1.5 Hits + Runs + RBIs
———46%
Total under 8.0
———46%
Jake Bennett Under 4.5 Strikeouts
——1%45%
Dylan Beavers Under 0.5 Hits + Runs + RBIs
———44%
Baltimore Orioles spread plus 1.5
——68%19%
Baltimore Orioles spread plus 2.5
——62%23%
Roman Anthony Under 2.5 Hits + Runs + RBIs
——20%64%
Total under 9.5
——3%81%
Leody Taveras Over 1.5 Hits + Runs + RBIs
——1%42%
Pete Alonso Under 1.5 Hits + Runs + RBIs
——20%53%
Total under 6.5
———36%
Ceddanne Rafaela Over 2.5 Hits + Runs + RBIs
35%———
Total over 8.5
99%—100%32%
Ceddanne Rafaela Over 0.5 RBIs
31%———
Ceddanne Rafaela Over 1.5 Hits
29%———
Total over 9.5
99%—100%24%
Roman Anthony Over 3.5 Hits + Runs + RBIs
22%—99%—
Roman Anthony Over 2.5 Hits + Runs + RBIs
99%—3%40%
Coby Mayo Over 0.5 Home Runs
——19%22%
Ceddanne Rafaela Over 3.5 Hits + Runs + RBIs
20%———
Jackson Holliday Over 0.5 Home Runs
——20%—
Coby Mayo Over 1.5 Home Runs
——20%—
Luis Robert Jr. Over 0.5 Home Runs
———18%
Christian Encarnacion-Strand Over 0.5 Home Runs
——16%19%
Jarren Duran Over 0.5 Home Runs
———17%
Ceddanne Rafaela Over 1.5 RBIs
17%———
Mickey Gasper Over 0.5 Home Runs
——99%17%
Adley Rutschman Over 0.5 Home Runs
———17%
Leody Taveras Over 0.5 Home Runs
——20%9%
Baltimore Orioles
1%12%0%13%
Ceddanne Rafaela Over 4.5 Hits + Runs + RBIs
12%———
Baltimore Orioles spread minus 2.5
1%—100%12%
Carlos Narvaez Over 0.5 Home Runs
———12%
Ceddanne Rafaela Over 0.5 Home Runs
10%——13%
Blaze Alexander Over 0.5 Home Runs
———11%
Nick Sogard Over 0.5 Home Runs
———9%
Roman Anthony Over 4.5 Hits + Runs + RBIs
15%—2%—
Ceddanne Rafaela Over 2.5 Hits
7%———
Roman Anthony Over 0.5 Hits + Runs + RBIs
99%—3%—
Brandon Young Under 2.5 Strikeouts
——1%—
Brandon Young Under 7.5 Strikeouts
——1%—
Jake Bennett Over 8.5 Strikeouts
1%———
Jake Bennett Under 7.5 Strikeouts
——1%—
Over 12.5 runs scored
1%———
Brandon Young Under 1.5 Strikeouts
——0%—
Brandon Young Under 6.5 Strikeouts
——0%—
Christian Encarnacion-Strand Over 1.5 Home Runs
——0%—
Jake Bennett Under 2.5 Strikeouts
——0%—
Jake Bennett Under 3.5 Strikeouts
——0%—
Jake Bennett Under 6.5 Strikeouts
——0%—
Leody Taveras Over 1.5 Home Runs
——0%—
Mickey Gasper Over 1.5 Home Runs
——0%—
Ceddanne Rafaela Over 1.5 Home Runs
0%———
Ceddanne Rafaela Over 3.5 Hits
0%———
Gunnar Henderson Under 1.5 Home Runs
——0%—
Leody Taveras Under 1.5 Home Runs
——0%—
Pete Alonso Under 1.5 Home Runs
——0%—
Roman Anthony Under 1.5 Home Runs
——0%—
Wilyer Abreu Under 1.5 Home Runs
——0%—
Baltimore wins by over 3.5 runs
————
Boston wins by over 3.5 runs
————
Brandon Young Over 1.5 Strikeouts
————
Brandon Young Over 16.5 Pitcher Outs
————
Brandon Young Over 2.5 Strikeouts
————
Brandon Young Over 3.5 Strikeouts
————
Brandon Young Over 4.5 Strikeouts
————
Brandon Young Over 5.5 Strikeouts
————
Brandon Young Over 6.5 Strikeouts
————
Brandon Young Over 7.5 Strikeouts
————
Caleb Durbin Over 0.5 Hits
————
Caleb Durbin Over 0.5 Hits + Runs + RBIs
————
Caleb Durbin Over 0.5 Home Runs
————
Caleb Durbin Over 0.5 RBIs
————
Caleb Durbin Over 1.5 Hits
————
Caleb Durbin Over 1.5 Hits + Runs + RBIs
————
Caleb Durbin Over 1.5 Home Runs
————
Caleb Durbin Over 1.5 RBIs
————
Caleb Durbin Over 2.5 Hits
————
Caleb Durbin Over 2.5 Hits + Runs + RBIs
————
Caleb Durbin Over 3.5 Hits
————
Caleb Durbin Over 3.5 Hits + Runs + RBIs
————
Caleb Durbin Over 4.5 Hits + Runs + RBIs
————
Gunnar Henderson Over 0.5 Hits
————
Gunnar Henderson Over 0.5 Hits + Runs + RBIs
————
Gunnar Henderson Over 0.5 Home Runs
————
Gunnar Henderson Over 0.5 RBIs
————
Gunnar Henderson Over 1.5 Hits
————
Gunnar Henderson Over 1.5 Hits + Runs + RBIs
————
Gunnar Henderson Over 1.5 Home Runs
————
Gunnar Henderson Over 1.5 RBIs
————
Gunnar Henderson Over 2.5 Hits
————
Gunnar Henderson Over 2.5 Hits + Runs + RBIs
————
Gunnar Henderson Over 3.5 Hits + Runs + RBIs
————
Gunnar Henderson Over 4.5 Hits + Runs + RBIs
————
Jackson Holliday Over 1.5 Home Runs
————
Jake Bennett Over 2.5 Strikeouts
————
Jake Bennett Over 3.5 Strikeouts
————
Jake Bennett Over 4.5 Strikeouts
————
Jake Bennett Over 6.5 Strikeouts
————
Jake Bennett Over 7.5 Strikeouts
————
Pete Alonso Over 0.5 Hits
————
Pete Alonso Over 0.5 Hits + Runs + RBIs
————
Pete Alonso Over 0.5 Home Runs
————
Pete Alonso Over 0.5 RBIs
————
Pete Alonso Over 1.5 Hits
————
Pete Alonso Over 1.5 Hits + Runs + RBIs
————
Pete Alonso Over 1.5 Home Runs
————
Pete Alonso Over 1.5 RBIs
————
Pete Alonso Over 2.5 Hits
————
Pete Alonso Over 2.5 Hits + Runs + RBIs
————
Pete Alonso Over 3.5 Hits + Runs + RBIs
————
Pete Alonso Over 4.5 Hits + Runs + RBIs
————
Roman Anthony Over 0.5 Hits
————
Roman Anthony Over 0.5 Home Runs
————
Roman Anthony Over 0.5 RBIs
————
Roman Anthony Over 1.5 Hits
————
Roman Anthony Over 1.5 Home Runs
————
Roman Anthony Over 1.5 RBIs
————
Roman Anthony Over 2.5 Hits
————
Roman Anthony Over 3.5 Hits
————
Total over 10.5
————
Total over 11.5
————
Total over 6.5
————
Wilyer Abreu Over 0.5 Hits
————
Wilyer Abreu Over 0.5 Hits + Runs + RBIs
————
Wilyer Abreu Over 0.5 Home Runs
————
Wilyer Abreu Over 1.5 Hits
————
Wilyer Abreu Over 1.5 Hits + Runs + RBIs
————
Wilyer Abreu Over 1.5 Home Runs
————
Wilyer Abreu Over 2.5 Hits
————
Wilyer Abreu Over 2.5 Hits + Runs + RBIs
————
Wilyer Abreu Over 3.5 Hits + Runs + RBIs
————
Wilyer Abreu Over 4.5 Hits + Runs + RBIs
————

Resolution Oracles

KalshiKalshi
Kalshi Rules
PolymarketPolymarket
UMA Optimistic OracleConsensus of Sources
ProphetXProphetX
ProphetX Rules
Read Full Market Rulebooks
Stats
Spread12.8%
Platforms4
Candidates2
Winner

Boston Red Sox

94.4% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Boston Red Sox vs. Baltimore Orioles (7:15 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 Boston vs Baltimore professional baseball game originally scheduled for Sep 3, 2026 at 7:15 PM EDT, then the market resolves to Yes.

Edge Cases

The following market refers to the Boston vs Baltimore professional baseball game originally scheduled for Sep 3, 2026 at 7:15 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 Boston Red Sox and Baltimore Orioles, scheduled for September 3 at 7:15PM ET: This market will resolve to "Boston Red Sox" if the Boston Red Sox win the game. This market will resolve to "Baltimore Orioles" if the Baltimore Orioles 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 Boston Red Sox vs Baltimore Orioles MLB game scheduled for 2026-09-03 at 7:15PM 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 Boston Red Sox vs. Baltimore Orioles (7:15 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 Boston Red Sox vs. Baltimore Orioles (7:15 PM ET) odds?

The last available prices are Boston Red Sox: 99.0¢ on Kalshi, 99.9¢ on Polymarket, 90.1¢ on ProphetX, 88.5¢ on Polymarket US; Baltimore Orioles: 1.0¢ on Kalshi, 0.1¢ on Polymarket, 12.9¢ on ProphetX, 11.5¢ 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 Boston Red Sox vs. Baltimore Orioles (7:15 PM ET) odds vary across prediction markets?

The largest price difference shown across venues is 12.8 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 Boston Red Sox vs. Baltimore Orioles (7:15 PM ET) prediction market payouts work?

For example, Boston Red Sox at 94.4¢ implies about a 94.4% 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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