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Live prediction market odds for Boston Red Sox vs. Pittsburgh Pirates (7:15 PM ET). Compare prices across Kalshi and Polymarket US and Polymarket and ProphetX.

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MARKET RESOLVEDKalshi / Polymarket US / Polymarket / ProphetX

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Boston Red Sox Wins: Boston Red Sox vs. Pittsburgh Pirates (7:15 PM ET)

MLB·Resolved 2026-08-15

This market resolved on 2026-08-15. Boston Red Sox was the officially declared outcome. Prior to resolution, the market peaked at 99%.

About This Market

Boston Red Sox vs.

Boston Red Sox vs. Pittsburgh Pirates (7:15 PM ET) — MLB game held on 2026-08-15. 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
Andruw Monasterio Under 0.5 Home Runs
———99%
Bryan Reynolds Under 0.5 Home Runs
——49%99%
Jared Jones Over 2.5 Strikeouts
99%———
Jared Jones Over 3.5 Strikeouts
99%———
Jared Jones Over 5.5 Strikeouts
99%———
Jared Jones Over 6.5 Strikeouts
99%———
Jared Triolo Under 0.5 Home Runs
———99%
Nick Sogard Under 0.5 Home Runs
——50%99%
Over 2.5 runs scored
99%———
Over 3.5 runs scored
99%———
Rafael Flores Jr. Under 0.5 Home Runs
———99%
Ronny Simon Under 0.5 Home Runs
———99%
Sonny Gray Over 2.5 Strikeouts
99%———
Sonny Gray Over 3.5 Strikeouts
99%———
Sonny Gray Over 4.5 Strikeouts
99%———
Sonny Gray Over 6.5 Strikeouts
99%———
Caleb Durbin Under 0.5 Home Runs
——50%99%
Ceddanne Rafaela Under 0.5 Home Runs
——0%99%
Esmerlyn Valdez Under 0.5 Home Runs
——0%99%
Nick Gonzales Under 0.5 Home Runs
——0%99%
Spencer Horwitz Under 0.5 Home Runs
——50%99%
Total under 11.5
———99%
Wilyer Abreu Under 1.5 Home Runs
——98%—
Henry Davis Under 0.5 Home Runs
——0%97%
Masataka Yoshida Under 0.5 Home Runs
——0%97%
Jarren Duran Under 0.5 Home Runs
——90%99%
Total under 9.5
———92%
Boston Red Sox spread plus 4.5
———92%
Willson Contreras Under 0.5 Home Runs
——83%97%
Pittsburgh Pirates spread plus 4.5
———90%
Boston Red Sox spread plus 2.5
——85%94%
Boston Red Sox spread plus 3.5
———89%
Total under 10.5
———86%
Boston wins by over 3.5 runs
99%——85%
Wilyer Abreu Under 0.5 Home Runs
——82%88%
Boston Red Sox spread plus 1.5
——78%92%
Sonny Gray Over 5.5 Strikeouts
99%——84%
Sonny Gray Under 5.5 Strikeouts
——0%83%
Total under 4.5
———80%
Brandon Lowe Under 1.5 Hits + Runs + RBIs
———79%
Jared Jones Over 4.5 Strikeouts
98%——57%
Jared Triolo Under 0.5 Hits + Runs + RBIs
———76%
Total under 8.5
——59%91%
Boston Red SoxWINNER
99%99%75%99%
Adley Rutschman Under 0.5 Home Runs
——48%99%
Brandon Lowe Under 0.5 Home Runs
——46%97%
Jacob Gonzalez Under 0.5 Hits + Runs + RBIs
———71%
Boston Red Sox spread minus 1.0
———70%
Andruw Monasterio Under 1.5 Hits + Runs + RBIs
———67%
Spencer Horwitz Under 1.5 Hits + Runs + RBIs
———67%
Adley Rutschman Under 1.5 Hits + Runs + RBIs
———66%
Andruw Monasterio Under 0.5 Hits + Runs + RBIs
———66%
Esmerlyn Valdez Under 1.5 Hits + Runs + RBIs
———66%
Masataka Yoshida Under 1.5 Hits + Runs + RBIs
———66%
Total under 7.5
——45%87%
Boston Red Sox spread plus 1.0
———65%
Ceddanne Rafaela Under 1.5 Hits + Runs + RBIs
———65%
Connor Wong Over 0.5 Hits + Runs + RBIs
———65%
Jacob Gonzalez Under 1.5 Hits + Runs + RBIs
———65%
Nick Sogard Under 1.5 Hits + Runs + RBIs
———65%
Jarren Duran Under 1.5 Hits + Runs + RBIs
———64%
Rafael Flores Jr. Under 0.5 Hits + Runs + RBIs
———64%
Ronny Simon Under 1.5 Hits + Runs + RBIs
———64%
Total under 5.5
———64%
Boston Red Sox spread minus 2.5
99%—39%86%
Caleb Durbin Over 1.5 Hits + Runs + RBIs
———61%
Henry Davis Over 0.5 Hits + Runs + RBIs
———61%
Jake Mangum Over 1.5 Hits + Runs + RBIs
———61%
Bryan Reynolds Under 1.5 Hits + Runs + RBIs
———59%
Caleb Durbin Under 1.5 Hits + Runs + RBIs
———59%
Willson Contreras Under 1.5 Hits + Runs + RBIs
———59%
Total under 6.5
——43%74%
Willson Contreras Over 1.5 Hits + Runs + RBIs
———57%
Wilyer Abreu Under 1.5 Hits + Runs + RBIs
———57%
Wilyer Abreu Over 1.5 Hits + Runs + RBIs
———56%
Pittsburgh Pirates spread plus 1.5
——45%67%
Nick Gonzales Over 1.5 Hits + Runs + RBIs
———54%
Total under 8.0
———54%
Nick Gonzales Under 1.5 Hits + Runs + RBIs
———53%
Bryan Reynolds Over 1.5 Hits + Runs + RBIs
———52%
Andruw Monasterio Over 0.5 Hits + Runs + RBIs
———51%
Esmerlyn Valdez Over 1.5 Hits + Runs + RBIs
———51%
Total over 8.0
———51%
Jake Mangum Under 1.5 Hits + Runs + RBIs
———49%
Pittsburgh Pirates spread plus 1.0
———49%
Jarren Duran Over 1.5 Hits + Runs + RBIs
———48%
Ronny Simon Over 1.5 Hits + Runs + RBIs
———48%
Rafael Flores Jr. Over 0.5 Hits + Runs + RBIs
———47%
Henry Davis Under 0.5 Hits + Runs + RBIs
———47%
Nick Sogard Over 1.5 Hits + Runs + RBIs
———47%
Boston Red Sox spread minus 1.5
99%—55%37%
Jared Jones Under 4.5 Strikeouts
——0%46%
Andruw Monasterio Over 1.5 Hits + Runs + RBIs
———46%
Jacob Gonzalez Over 0.5 Hits + Runs + RBIs
———46%
Spencer Horwitz Over 1.5 Hits + Runs + RBIs
———46%
Ceddanne Rafaela Over 1.5 Hits + Runs + RBIs
———45%
Connor Wong Under 0.5 Hits + Runs + RBIs
———45%
Jacob Gonzalez Over 1.5 Hits + Runs + RBIs
———45%
Total over 6.5
1%—57%31%
Adley Rutschman Over 1.5 Hits + Runs + RBIs
———44%
Jared Triolo Over 0.5 Hits + Runs + RBIs
———44%
Masataka Yoshida Over 1.5 Hits + Runs + RBIs
———43%
Total over 5.5
1%——40%
Pittsburgh Pirates spread plus 2.5
——61%19%
Total over 7.5
1%—55%24%
Jared Triolo Over 1.5 Hits + Runs + RBIs
———40%
Pittsburgh Pirates spread minus 1.0
———37%
Brandon Lowe Over 0.5 Home Runs
——55%10%
Brandon Lowe Over 1.5 Hits + Runs + RBIs
———31%
Adley Rutschman Over 0.5 Home Runs
——52%10%
Total over 8.5
1%—41%20%
Pittsburgh Pirates spread plus 3.5
———25%
Total over 10.5
1%——24%
Total over 4.5
1%——23%
Total over 11.5
1%——23%
Wilyer Abreu Over 0.5 Home Runs
——18%22%
Pittsburgh Pirates spread minus 1.5
1%—22%11%
Boston Red Sox spread minus 4.5
———16%
Willson Contreras Over 0.5 Home Runs
——17%15%
Pittsburgh Pirates spread minus 3.5
1%——16%
Pittsburgh Pirates
1%1%25%4%
Pittsburgh Pirates spread minus 2.5
1%—15%11%
Masataka Yoshida Over 0.5 Home Runs
———11%
Henry Davis Over 0.5 Home Runs
———11%
Pittsburgh Pirates spread minus 4.5
———11%
Total over 9.5
2%——18%
Esmerlyn Valdez Over 0.5 Home Runs
———10%
Jarren Duran Over 0.5 Home Runs
——10%8%
Spencer Horwitz Over 0.5 Home Runs
——51%8%
Bryan Reynolds Over 0.5 Home Runs
——51%8%
Caleb Durbin Over 0.5 Home Runs
——51%7%
Jared Triolo Over 0.5 Home Runs
———7%
Andruw Monasterio Over 0.5 Home Runs
———7%
Nick Gonzales Over 0.5 Home Runs
———7%
Jacob Gonzalez Over 0.5 Home Runs
———6%
Jake Mangum Over 0.5 Home Runs
———6%
Nick Sogard Over 0.5 Home Runs
——51%6%
Rafael Flores Jr. Over 0.5 Home Runs
———6%
Ronny Simon Over 0.5 Home Runs
———6%
Ceddanne Rafaela Over 0.5 Home Runs
———5%
Wilyer Abreu Over 1.5 Home Runs
——3%—
Jared Jones Over 7.5 Strikeouts
1%———
Jared Jones Over 8.5 Strikeouts
1%———
Over 12.5 runs scored
1%———
Sonny Gray Over 7.5 Strikeouts
1%———
Sonny Gray Over 8.5 Strikeouts
1%———
Adley Rutschman Under 1.5 Home Runs
——0%—
Brandon Lowe Under 1.5 Home Runs
——0%—
Bryan Reynolds Under 1.5 Home Runs
——0%—
Caleb Durbin Under 1.5 Home Runs
——0%—
Ceddanne Rafaela Under 1.5 Home Runs
——0%—
Esmerlyn Valdez Under 1.5 Home Runs
——0%—
Henry Davis Under 1.5 Home Runs
——0%—
Jacob Gonzalez Under 1.5 Home Runs
——0%—
Jake Mangum Under 1.5 Home Runs
——0%—
Jared Jones Under 2.5 Strikeouts
——0%—
Jared Jones Under 3.5 Strikeouts
——0%—
Jarren Duran Under 1.5 Home Runs
——0%—
Masataka Yoshida Under 1.5 Home Runs
——0%—
Nick Gonzales Under 1.5 Home Runs
——0%—
Nick Sogard Under 1.5 Home Runs
——0%—
Sonny Gray Under 3.5 Strikeouts
——0%—
Sonny Gray Under 4.5 Strikeouts
——0%—
Spencer Horwitz Under 1.5 Home Runs
——0%—
Willson Contreras Under 1.5 Home Runs
——0%—
Adley Rutschman Over 1.5 Home Runs
————
Brandon Lowe Over 1.5 Home Runs
————
Bryan Reynolds Over 1.5 Home Runs
————
Caleb Durbin Over 1.5 Home Runs
————
Ceddanne Rafaela Over 1.5 Home Runs
————
Esmerlyn Valdez Over 1.5 Home Runs
————
Henry Davis Over 1.5 Home Runs
————
Jacob Gonzalez Over 1.5 Home Runs
————
Jacob Gonzalez Under 0.5 Home Runs
——0%99%
Jake Mangum Over 1.5 Home Runs
————
Jake Mangum Under 0.5 Home Runs
——0%99%
Jarren Duran Over 1.5 Home Runs
————
Masataka Yoshida Over 1.5 Home Runs
————
Nick Gonzales Over 1.5 Home Runs
————
Nick Sogard Over 1.5 Home Runs
————
Spencer Horwitz Over 1.5 Home Runs
————
Willson Contreras Over 1.5 Home Runs
————

Resolution Oracles

KalshiKalshi
Kalshi Rules
PolymarketPolymarket
UMA Optimistic OracleConsensus of Sources
ProphetXProphetX
ProphetX Rules
Read Full Market Rulebooks
Stats
Spread24.0%
Platforms4
Candidates2
Winner

Boston Red Sox

93.0% avg

Market RulebooksOfficial settlement criteria and edge cases

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

Edge Cases

The following market refers to the Boston vs Pittsburgh professional baseball game originally scheduled for Aug 15, 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 Pittsburgh Pirates, scheduled for August 15 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 "Pittsburgh Pirates" if the Pittsburgh Pirates 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 Pittsburgh Pirates MLB game scheduled for 2026-08-15 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. Pittsburgh Pirates (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. Pittsburgh Pirates (7:15 PM ET) odds?

The last available prices are Boston Red Sox: 99.0¢ on Kalshi, 75.0¢ on Polymarket, 99.0¢ on ProphetX, 99.0¢ on Polymarket US; Pittsburgh Pirates: 1.0¢ on Kalshi, 25.0¢ on Polymarket, 4.1¢ on ProphetX, 1.0¢ 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. Pittsburgh Pirates (7:15 PM ET) odds vary across prediction markets?

The largest price difference shown across venues is 24.0 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. Pittsburgh Pirates (7:15 PM ET) prediction market payouts work?

For example, Boston Red Sox at 93.0¢ implies about a 93.0% 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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