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Live prediction market odds for Boston Red Sox vs. Baltimore Orioles (7:05 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 (7:05 PM ET)

MLB·Resolved 2026-09-05

This market resolved on 2026-09-05. Boston Red Sox was the officially declared outcome. Prior to resolution, the market peaked at 79%.

About This Market

Boston Red Sox vs.

Boston Red Sox vs. Baltimore Orioles (7:05 PM ET): MLB game held on 2026-09-05. 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 0.5 Home Runs
——100%—
Gunnar Henderson Over 0.5 Hits + Runs + RBIs
99%—99%—
Boston Red Sox spread plus 3.5
———97%
Total under 9.5
——100%97%
Boston Red Sox spread minus 2.5
99%—100%93%
Boston Red Sox spread minus 1.5
99%—100%90%
Total under 6.5
———89%
Jackson Holliday Under 0.5 Home Runs
——81%95%
Dylan Beavers Under 0.5 Home Runs
——81%94%
Adley Rutschman Under 0.5 Home Runs
——81%93%
Gunnar Henderson Under 0.5 Home Runs
——81%92%
Samuel Basallo Under 0.5 Home Runs
——81%92%
Total under 8.5
——76%93%
Mickey Gasper Under 0.5 Home Runs
——81%88%
Roman Anthony Under 0.5 Home Runs
——81%88%
Pete Alonso Under 0.5 Home Runs
——81%88%
Christian Encarnacion-Strand Under 0.5 Home Runs
——81%88%
Boston Red Sox spread plus 1.5
——99%83%
Wilyer Abreu Under 0.5 Home Runs
——0%83%
Chris Bassitt Under 6.5 Strikeouts
——82%—
Sonny Gray Under 7.5 Strikeouts
——82%—
Chris Bassitt Under 7.5 Strikeouts
——81%—
Adley Rutschman Under 1.5 Home Runs
——81%—
Caleb Durbin Under 1.5 Home Runs
——81%—
Christian Encarnacion-Strand Under 1.5 Home Runs
——81%—
Dylan Beavers Under 1.5 Home Runs
——81%—
Gunnar Henderson Under 1.5 Home Runs
——81%—
Jackson Holliday Under 1.5 Home Runs
——81%—
Mickey Gasper Under 1.5 Home Runs
——81%—
Pete Alonso Under 1.5 Home Runs
——81%—
Roman Anthony Under 1.5 Home Runs
——81%—
Samuel Basallo Under 1.5 Home Runs
——81%—
Wilyer Abreu Over 0.5 Hits + Runs + RBIs
99%—81%—
Wilyer Abreu Under 1.5 Home Runs
——81%—
Boston Red Sox spread minus 4.5
———80%
Adley Rutschman Under 1.5 Hits + Runs + RBIs
——81%75%
Dylan Beavers Under 1.5 Hits + Runs + RBIs
——81%75%
Caleb Durbin Under 1.5 Hits + Runs + RBIs
——99%75%
Coby Mayo Under 0.5 Hits + Runs + RBIs
———75%
Coby Mayo Under 1.5 Hits + Runs + RBIs
———75%
Luis Robert Jr. Under 1.5 Hits + Runs + RBIs
———75%
Mickey Gasper Over 1.5 Hits + Runs + RBIs
——97%52%
Roman Anthony Under 2.5 Hits + Runs + RBIs
——81%68%
Samuel Basallo Under 1.5 Hits + Runs + RBIs
——81%65%
Coby Mayo Over 0.5 Hits + Runs + RBIs
———73%
Luis Robert Jr. Over 1.5 Hits + Runs + RBIs
———73%
Jackson Holliday Under 1.5 Hits + Runs + RBIs
——81%62%
Dylan Beavers Over 0.5 Hits + Runs + RBIs
——81%61%
Gunnar Henderson Under 1.5 Hits + Runs + RBIs
——81%55%
Pete Alonso Under 1.5 Hits + Runs + RBIs
——81%53%
Sonny Gray Under 6.5 Strikeouts
——64%69%
Total under 9.0
———66%
Wilyer Abreu Under 1.5 Hits + Runs + RBIs
——81%52%
Roman Anthony Under 1.5 Hits + Runs + RBIs
——81%48%
Eli White Under 1.5 Hits + Runs + RBIs
———63%
Caleb Durbin Over 0.5 Hits
63%———
Baltimore Orioles spread plus 1.0
———63%
Nick Sogard Under 1.5 Hits + Runs + RBIs
———62%
Total under 7.5
——37%84%
Jarren Duran Under 1.5 Hits + Runs + RBIs
———60%
Boston Red Sox spread plus 1.0
———59%
Blaze Alexander Under 1.5 Hits + Runs + RBIs
———59%
Total over 7.0
———58%
Chris Bassitt Under 4.5 Strikeouts
———57%
Colton Cowser Over 0.5 Hits + Runs + RBIs
———56%
Total under 8.0
———55%
Trevor Story Under 1.5 Hits + Runs + RBIs
———54%
Boston Red Sox spread plus 2.5
——16%91%
Boston Red SoxWINNER
99%58%49%99%
Colton Cowser Under 0.5 Hits + Runs + RBIs
———53%
Trevor Story Over 1.5 Hits + Runs + RBIs
———51%
Sonny Gray Under 5.5 Strikeouts
——53%50%
Blaze Alexander Over 1.5 Hits + Runs + RBIs
———50%
Wilyer Abreu Over 1.5 Hits + Runs + RBIs
50%—19%54%
Jarren Duran Over 1.5 Hits + Runs + RBIs
———49%
Nick Sogard Over 1.5 Hits + Runs + RBIs
———47%
Caleb Durbin Over 1.5 Hits + Runs + RBIs
46%—19%50%
Baltimore Orioles spread minus 1.0
———46%
Total over 8.0
———46%
Adley Rutschman Over 1.5 Hits + Runs + RBIs
——19%73%
Caleb Durbin Over 0.5 Hits + Runs + RBIs
72%—19%—
Total under 7.0
———45%
Coby Mayo Over 1.5 Hits + Runs + RBIs
———45%
Eli White Over 1.5 Hits + Runs + RBIs
———44%
Boston Red Sox spread minus 1.0
———42%
Chris Bassitt Under 3.5 Strikeouts
——33%46%
Total over 9.0
———37%
Dylan Beavers Under 0.5 Hits + Runs + RBIs
——19%49%
Jackson Holliday Over 1.5 Hits + Runs + RBIs
——19%48%
Roman Anthony Over 1.5 Hits + Runs + RBIs
33%—19%55%
Samuel Basallo Over 1.5 Hits + Runs + RBIs
——19%45%
Total over 9.5
1%—100%30%
Total over 7.5
1%—37%20%
Mickey Gasper Under 1.5 Hits + Runs + RBIs
——3%53%
Dylan Beavers Over 1.5 Hits + Runs + RBIs
——19%36%
Baltimore Orioles spread plus 3.5
———25%
Roman Anthony Over 0.5 Hits + Runs + RBIs
31%—19%—
Caleb Durbin Over 2.5 Hits + Runs + RBIs
29%—19%—
Baltimore Orioles spread plus 4.5
———24%
Baltimore Orioles
1%42%100%4%
Caleb Durbin Over 1.5 Hits
23%———
Baltimore Orioles spread minus 1.5
1%—99%21%
Chris Bassitt Under 2.5 Strikeouts
——20%—
Adley Rutschman Over 1.5 Home Runs
——19%—
Caleb Durbin Over 4.5 Hits + Runs + RBIs
0%—19%—
Christian Encarnacion-Strand Over 1.5 Home Runs
——19%—
Gunnar Henderson Over 1.5 Hits + Runs + RBIs
7%—19%49%
Gunnar Henderson Over 3.5 Hits + Runs + RBIs
1%—19%—
Gunnar Henderson Over 4.5 Hits + Runs + RBIs
1%—19%—
Jackson Holliday Over 1.5 Home Runs
——19%—
Mickey Gasper Over 1.5 Home Runs
——19%—
Pete Alonso Over 0.5 Hits + Runs + RBIs
1%—19%—
Pete Alonso Over 1.5 Hits + Runs + RBIs
14%—19%52%
Pete Alonso Over 2.5 Hits + Runs + RBIs
1%—19%—
Pete Alonso Over 3.5 Hits + Runs + RBIs
1%—19%—
Pete Alonso Over 4.5 Hits + Runs + RBIs
1%—19%—
Roman Anthony Over 2.5 Hits + Runs + RBIs
7%—19%39%
Christian Encarnacion-Strand Over 0.5 Home Runs
——19%17%
Sonny Gray Under 3.5 Strikeouts
——18%—
Sonny Gray Under 4.5 Strikeouts
——18%—
Caleb Durbin Over 3.5 Hits + Runs + RBIs
16%—19%—
Coby Mayo Over 0.5 Home Runs
———17%
Mickey Gasper Over 0.5 Home Runs
——19%15%
Wilyer Abreu Over 2.5 Hits + Runs + RBIs
15%—19%—
Samuel Basallo Over 0.5 Home Runs
——19%15%
Jarren Duran Over 0.5 Home Runs
———16%
Adley Rutschman Over 0.5 Home Runs
——19%13%
Dylan Beavers Over 0.5 Home Runs
——19%11%
Jackson Holliday Over 0.5 Home Runs
——19%10%
Baltimore Orioles spread plus 2.5
——18%11%
Total over 6.5
1%——14%
Baltimore Orioles spread plus 1.5
——13%14%
Baltimore Orioles spread minus 2.5
1%—0%14%
Gunnar Henderson Over 2.5 Hits + Runs + RBIs
8%—19%—
Wilyer Abreu Over 4.5 Hits + Runs + RBIs
8%—19%—
Roman Anthony Over 3.5 Hits + Runs + RBIs
7%—19%—
Wilyer Abreu Over 3.5 Hits + Runs + RBIs
7%—19%—
Colton Cowser Over 0.5 Home Runs
———12%
Trevor Story Over 0.5 Home Runs
———11%
Total over 8.5
1%—100%11%
Roman Anthony Over 4.5 Hits + Runs + RBIs
2%—19%—
Nick Sogard Over 0.5 Home Runs
———9%
Caleb Durbin Over 0.5 Home Runs
6%—19%8%
Chris Bassitt Under 1.5 Strikeouts
——1%—
Caleb Durbin Over 1.5 Home Runs
0%—0%—
Caleb Durbin Over 2.5 Hits
0%———
Baltimore wins by over 3.5 runs
————
Boston wins by over 3.5 runs
————
Chris Bassitt Over 1.5 Strikeouts
————
Chris Bassitt Over 15.5 Pitcher Outs
————
Chris Bassitt Over 2.5 Strikeouts
————
Chris Bassitt Over 3.5 Strikeouts
————
Chris Bassitt Over 4.5 Strikeouts
————
Chris Bassitt Over 5.5 Strikeouts
————
Chris Bassitt Over 6.5 Strikeouts
————
Chris Bassitt Over 7.5 Strikeouts
————
Dylan Beavers Over 1.5 Home Runs
————
Gunnar Henderson Over 0.5 Hits
————
Gunnar Henderson Over 0.5 Home Runs
————
Gunnar Henderson Over 0.5 RBIs
————
Gunnar Henderson Over 1.5 Hits
————
Gunnar Henderson Over 1.5 Home Runs
————
Gunnar Henderson Over 1.5 RBIs
————
Gunnar Henderson Over 2.5 Hits
————
Over 2.5 runs scored
————
Pete Alonso Over 0.5 Hits
————
Pete Alonso Over 0.5 Home Runs
————
Pete Alonso Over 0.5 RBIs
————
Pete Alonso Over 1.5 Hits
————
Pete Alonso Over 1.5 Home Runs
————
Pete Alonso Over 2.5 Hits
————
Roman Anthony Over 0.5 Hits
————
Roman Anthony Over 0.5 Home Runs
————
Roman Anthony Over 1.5 Hits
————
Roman Anthony Over 1.5 Home Runs
————
Roman Anthony Over 2.5 Hits
————
Roman Anthony Over 3.5 Hits
————
Samuel Basallo Over 1.5 Home Runs
————
Sonny Gray Over 17.5 Pitcher Outs
————
Sonny Gray Over 2.5 Strikeouts
————
Sonny Gray Over 3.5 Strikeouts
————
Sonny Gray Over 4.5 Strikeouts
————
Sonny Gray Over 5.5 Strikeouts
————
Sonny Gray Over 6.5 Strikeouts
————
Sonny Gray Over 7.5 Strikeouts
————
Sonny Gray Over 8.5 Strikeouts
————
Sonny Gray Over 9.5 Strikeouts
————
Total over 10.5
————
Total over 11.5
————
Total over 12.5
————
Total over 3.5
————
Total over 4.5
————
Total over 5.5
————
Wilyer Abreu Over 0.5 Hits
————
Wilyer Abreu Over 0.5 Home Runs
————
Wilyer Abreu Over 1.5 Hits
————
Wilyer Abreu Over 1.5 Home Runs
————
Wilyer Abreu Over 2.5 Hits
————

Resolution Oracles

KalshiKalshi
Kalshi Rules
PolymarketPolymarket
UMA Optimistic OracleConsensus of Sources
ProphetXProphetX
ProphetX Rules
Read Full Market Rulebooks
Stats
Spread98.9%
Platforms4
Candidates2
Winner

Boston Red Sox

76.1% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Boston Red Sox vs. Baltimore Orioles (7:05 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 5, 2026 at 7:05 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 5, 2026 at 7:05 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 5 at 7:05PM 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 2026-09-05 at 7:05PM 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 (7:05 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 (7:05 PM ET) odds?

The last available prices are Boston Red Sox: 99.0¢ on Kalshi, 48.5¢ on Polymarket, 99.0¢ on ProphetX, 58.0¢ on Polymarket US; Baltimore Orioles: 1.0¢ on Kalshi, 99.9¢ on Polymarket, 4.1¢ on ProphetX, 42.0¢ 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 (7:05 PM ET) odds vary across prediction markets?

The largest price difference shown across venues is 98.9 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 (7:05 PM ET) prediction market payouts work?

For example, Boston Red Sox at 76.1¢ implies about a 76.1% 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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