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Live prediction market odds for Baltimore Orioles vs. Athletics (9:40 PM ET). Compare prices across Kalshi and Polymarket US and Polymarket and ProphetX.

Browse historical results
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Claim offerLegal in USAVerified Sep 14, 2026

MARKET RESOLVEDKalshi / Polymarket US / Polymarket / ProphetX

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Baltimore Orioles Wins: Baltimore Orioles vs. Athletics (9:40 PM ET)

MLB·Resolved 2026-08-28

This market resolved on 2026-08-28. Baltimore Orioles was the officially declared outcome. Prior to resolution, the market peaked at 84%.

About This Market

Baltimore Orioles vs.

Baltimore Orioles vs. Athletics (9:40 PM ET) — MLB game held on 2026-08-28. 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
Coby Mayo Under 1.5 Home Runs
——100%—
Lawrence Butler Under 1.5 Home Runs
——100%—
Alika Williams Under 0.5 Home Runs
———99%
Brandon Young Over 0.5 Earned Runs
99%———
Brandon Young Over 17.5 Pitcher Outs
99%———
Brandon Young Under 2.5 Strikeouts
——99%—
Carlos Cortes Under 0.5 Home Runs
———99%
Jacob Lopez Over 0.5 Earned Runs
99%———
Jacob Lopez Over 3.5 Strikeouts
99%———
Jeff McNeil Under 1.5 Home Runs
——99%—
Leody Taveras Under 1.5 Home Runs
——99%—
Over 3.5 runs scored
99%———
Over 4.5 runs scored
99%———
Over 5.5 runs scored
99%———
Over 6.5 runs scored
99%———
Henry Bolte Under 0.5 Home Runs
———99%
Jonah Heim Under 0.5 Home Runs
———99%
Tommy White Under 0.5 Home Runs
———99%
Zack Gelof Under 1.5 Home Runs
——99%—
Christian Franklin Under 0.5 Home Runs
———98%
Brandon Young Under 1.5 Strikeouts
——98%—
Christian Encarnacion-Strand Under 1.5 Home Runs
——98%—
Pete Alonso Under 1.5 Home Runs
——97%—
Baltimore Orioles spread plus 1.5
——98%94%
Donovan Walton Under 0.5 Home Runs
———96%
Lawrence Butler Under 0.5 Home Runs
——93%99%
Leody Taveras Under 0.5 Home Runs
——91%99%
Jeff McNeil Under 0.5 Home Runs
——90%99%
Jacob Lopez Over 2.5 Earned Runs
94%———
Dylan Beavers Under 0.5 Home Runs
———92%
Jackson Holliday Under 0.5 Home Runs
——91%99%
Gunnar Henderson Under 0.5 Home Runs
——86%93%
Christian Encarnacion-Strand Under 0.5 Home Runs
——78%99%
Total under 9.5
——93%82%
Coby Mayo Under 0.5 Home Runs
——75%98%
Max Muncy Under 0.5 Home Runs
———84%
Pete Alonso Under 0.5 Home Runs
——88%74%
Jackson Holliday Under 1.5 Home Runs
——80%—
Total under 8.5
——80%78%
Baltimore OriolesWINNER
99%75%51%94%
Athletics spread plus 1.5
——100%74%
Brandon Young Over 3.5 Strikeouts
99%—1%71%
Carlos Narvaez Under 1.5 Hits + Runs + RBIs
———68%
Alika Williams Under 1.5 Hits + Runs + RBIs
———65%
Christian Franklin Under 1.5 Hits + Runs + RBIs
———65%
Dylan Beavers Under 1.5 Hits + Runs + RBIs
———65%
Carlos Cortes Under 1.5 Hits + Runs + RBIs
———64%
Alika Williams Over 0.5 Hits + Runs + RBIs
———63%
Dylan Beavers Over 0.5 Hits + Runs + RBIs
———62%
Donovan Walton Under 1.5 Hits + Runs + RBIs
———61%
Samuel Basallo Under 1.5 Hits + Runs + RBIs
———61%
Jonah Heim Under 1.5 Hits + Runs + RBIs
———60%
Blaze Alexander Over 1.5 Hits + Runs + RBIs
———60%
Pete Alonso Under 2.5 Hits + Runs + RBIs
———59%
Jacob Lopez Over 5.5 Strikeouts
99%—59%—
Pete Alonso Over 0.5 Home Runs
1%—88%30%
Max Muncy Under 1.5 Hits + Runs + RBIs
———58%
Total under 10.0
———58%
Jacob Lopez Over 4.5 Strikeouts
99%—58%—
Christian Encarnacion-Strand Over 1.5 Hits + Runs + RBIs
———58%
Jacob Lopez Under 6.5 Strikeouts
——56%59%
Leody Taveras Under 1.5 Hits + Runs + RBIs
———57%
Henry Bolte Over 1.5 Hits + Runs + RBIs
———57%
Zack Gelof Under 0.5 Home Runs
——16%98%
Jeff McNeil Over 1.5 Hits + Runs + RBIs
———56%
Lawrence Butler Over 1.5 Hits + Runs + RBIs
———56%
Jackson Holliday Under 1.5 Hits + Runs + RBIs
———55%
Tommy White Over 1.5 Hits + Runs + RBIs
———55%
Brandon Young Under 4.5 Strikeouts
——57%53%
Coby Mayo Over 1.5 Hits + Runs + RBIs
———55%
Zack Gelof Over 1.5 Hits + Runs + RBIs
———55%
Gunnar Henderson Over 1.5 Hits + Runs + RBIs
52%——56%
Coby Mayo Under 1.5 Hits + Runs + RBIs
———52%
Dylan Beavers Under 0.5 Hits + Runs + RBIs
———52%
Alika Williams Under 0.5 Hits + Runs + RBIs
———52%
Gunnar Henderson Under 1.5 Hits + Runs + RBIs
———51%
Tommy White Under 1.5 Hits + Runs + RBIs
———51%
Jackson Holliday Over 1.5 Hits + Runs + RBIs
———51%
Christian Encarnacion-Strand Under 1.5 Hits + Runs + RBIs
———50%
Leody Taveras Over 1.5 Hits + Runs + RBIs
———49%
Jonah Heim Over 1.5 Hits + Runs + RBIs
———49%
Max Muncy Over 1.5 Hits + Runs + RBIs
———49%
Samuel Basallo Over 1.5 Hits + Runs + RBIs
———48%
Blaze Alexander Under 1.5 Hits + Runs + RBIs
———48%
Donovan Walton Over 1.5 Hits + Runs + RBIs
———47%
Zack Gelof Under 1.5 Hits + Runs + RBIs
———47%
Lawrence Butler Under 1.5 Hits + Runs + RBIs
———47%
Brandon Young Over 4.5 Strikeouts
1%—43%51%
Henry Bolte Under 1.5 Hits + Runs + RBIs
———46%
Pete Alonso Over 2.5 Hits + Runs + RBIs
45%——47%
Jeff McNeil Under 1.5 Hits + Runs + RBIs
———46%
Total over 10.0
———45%
Coby Mayo Over 0.5 Home Runs
——75%14%
Jacob Lopez Over 6.5 Strikeouts
1%—44%44%
Carlos Cortes Over 1.5 Hits + Runs + RBIs
———43%
Alika Williams Over 1.5 Hits + Runs + RBIs
———43%
Christian Franklin Over 1.5 Hits + Runs + RBIs
———42%
Dylan Beavers Over 1.5 Hits + Runs + RBIs
———42%
Jacob Lopez Under 4.5 Strikeouts
——42%—
Pete Alonso Over 0.5 Hits + Runs + RBIs
42%———
Total over 9.5
1%—60%22%
Gunnar Henderson Over 1.5 Total Bases
41%———
Jacob Lopez Under 5.5 Strikeouts
——41%—
Carlos Narvaez Over 1.5 Hits + Runs + RBIs
———41%
Brandon Young Under 3.5 Strikeouts
——99%40%
Baltimore Orioles spread minus 1.5
1%—100%38%
Pete Alonso Over 2.5 Total Bases
36%———
Gunnar Henderson Over 0.5 RBIs
35%———
Pete Alonso Over 3.5 Hits + Runs + RBIs
32%———
Pete Alonso Over 2.5 Home Runs
29%———
Gunnar Henderson Over 1.5 Hits
25%———
Total over 8.5
1%—15%27%
Gunnar Henderson Under 1.5 Home Runs
——20%—
Jackson Holliday Over 1.5 Home Runs
——20%—
Athletics
1%26%20%9%
Pete Alonso Over 1.5 RBIs
19%———
Pete Alonso Over 4.5 Hits + Runs + RBIs
19%———
Max Muncy Over 0.5 Home Runs
———18%
Christian Encarnacion-Strand Over 0.5 Home Runs
——21%14%
Pete Alonso Over 4.5 Total Bases
17%———
Zack Gelof Over 0.5 Home Runs
——16%13%
Total over 7.5
1%——14%
Gunnar Henderson Over 0.5 Home Runs
12%—86%14%
Donovan Walton Over 0.5 Home Runs
———11%
Christian Franklin Over 0.5 Home Runs
———10%
Carlos Cortes Over 0.5 Home Runs
———10%
Henry Bolte Over 0.5 Home Runs
———10%
Jeff McNeil Over 0.5 Home Runs
——10%10%
Jonah Heim Over 0.5 Home Runs
———10%
Pete Alonso Over 2.5 RBIs
10%———
Pete Alonso Over 5.5 Total Bases
10%———
Lawrence Butler Over 0.5 Home Runs
——8%12%
Leody Taveras Over 0.5 Home Runs
——9%10%
Jackson Holliday Over 0.5 Home Runs
——9%9%
Dylan Beavers Over 0.5 Home Runs
———9%
Tommy White Over 0.5 Home Runs
———9%
Alika Williams Over 0.5 Home Runs
———8%
Pete Alonso Over 3.5 Total Bases
8%———
Brandon Young Over 7.5 Strikeouts
7%———
Pete Alonso Over 1.5 Hits
7%———
Pete Alonso Over 6.5 Total Bases
6%———
Jacob Lopez Over 10.5 Strikeouts
5%———
Jacob Lopez Over 7.5 Strikeouts
5%———
Jacob Lopez Over 9.5 Strikeouts
5%———
Baltimore Orioles spread minus 2.5
3%—6%—
A's wins by over 3.5 runs
4%———
Athletics spread minus 2.5
5%—3%—
Pete Alonso Over 1.5 Home Runs
1%—3%—
Athletics spread minus 1.5
3%—2%10%
Jacob Lopez Over 8.5 Strikeouts
3%———
Over 12.5 runs scored
3%———
Pete Alonso Over 2.5 Hits
3%———
Brandon Young Over 1.5 Strikeouts
99%—2%—
Coby Mayo Over 1.5 Home Runs
——2%—
Pete Alonso Over 1.5 Total Bases
2%———
Zack Gelof Over 1.5 Home Runs
——1%—
Baltimore wins by over 3.5 runs
1%———
Brandon Young Over 1.5 Earned Runs
1%———
Brandon Young Over 2.5 Earned Runs
1%———
Brandon Young Over 3.5 Earned Runs
1%———
Brandon Young Over 4.5 Earned Runs
1%———
Brandon Young Over 5.5 Earned Runs
1%———
Brandon Young Over 5.5 Strikeouts
1%———
Brandon Young Over 6.5 Strikeouts
1%———
Jacob Lopez Over 1.5 Earned Runs
1%———
Jacob Lopez Over 16.5 Pitcher Outs
1%———
Jacob Lopez Over 3.5 Earned Runs
1%———
Jacob Lopez Over 4.5 Earned Runs
1%———
Leody Taveras Over 1.5 Home Runs
——1%—
Over 11.5 runs scored
1%———
Over 13.5 runs scored
1%———
Pete Alonso Over 0.5 Hits
1%———
Pete Alonso Over 0.5 RBIs
1%———
Pete Alonso Over 1.5 Hits + Runs + RBIs
1%———
Lawrence Butler Over 1.5 Home Runs
——1%—
Gunnar Henderson Over 1.5 Home Runs
1%—1%—
Total over 10.5
1%—0%—
Athletics spread plus 2.5
——0%—
Baltimore Orioles spread plus 2.5
——0%—
Christian Encarnacion-Strand Over 1.5 Home Runs
——0%—
Jeff McNeil Over 1.5 Home Runs
——0%—
Total under 10.5
——0%—
Gunnar Henderson Over 0.5 Hits
0%———
Gunnar Henderson Over 0.5 Hits + Runs + RBIs
0%———
Gunnar Henderson Over 0.5 Stolen Bases
0%———
Gunnar Henderson Over 1.5 RBIs
0%———
Gunnar Henderson Over 2.5 Hits
0%———
Gunnar Henderson Over 2.5 Hits + Runs + RBIs
0%———
Gunnar Henderson Over 2.5 RBIs
0%———
Gunnar Henderson Over 2.5 Total Bases
0%———
Gunnar Henderson Over 3.5 Hits
0%———
Gunnar Henderson Over 3.5 Hits + Runs + RBIs
0%———
Gunnar Henderson Over 3.5 Total Bases
0%———
Gunnar Henderson Over 4.5 Hits + Runs + RBIs
0%———
Gunnar Henderson Over 4.5 Total Bases
0%———
Pete Alonso Over 0.5 Stolen Bases
0%———
Pete Alonso Over 3.5 Hits
0%———
Brandon Young Over 2.5 Strikeouts
99%—1%—

Resolution Oracles

KalshiKalshi
Kalshi Rules
PolymarketPolymarket
UMA Optimistic OracleConsensus of Sources
ProphetXProphetX
ProphetX Rules
Read Full Market Rulebooks
Stats
Spread48.0%
Platforms4
Candidates2
Winner

Baltimore Orioles

79.6% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Baltimore Orioles vs. Athletics (9:40 PM ET)

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

KalshiKalshi
Primary Rule

If Baltimore wins the Baltimore vs A's professional baseball game originally scheduled for Aug 28, 2026 at 9:40 PM EDT, then the market resolves to Yes.

Edge Cases

The following market refers to the Baltimore vs A's professional baseball game originally scheduled for Aug 28, 2026 at 9:40 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. 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 Baltimore Orioles and Athletics, scheduled for August 28 at 9:40PM ET: This market will resolve to "Baltimore Orioles" if the Baltimore Orioles win the game. This market will resolve to "Athletics" if the Athletics 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 Baltimore Orioles vs Athletics MLB game scheduled for 2026-08-28 at 9:40PM 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 Baltimore Orioles vs. Athletics (9:40 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 Baltimore Orioles vs. Athletics (9:40 PM ET) odds?

The last available prices are Baltimore Orioles: 99.0¢ on Kalshi, 51.0¢ on Polymarket, 93.9¢ on ProphetX, 74.5¢ on Polymarket US; Athletics: 1.0¢ on Kalshi, 19.5¢ on Polymarket, 9.3¢ on ProphetX, 25.5¢ 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 Baltimore Orioles vs. Athletics (9:40 PM ET) odds vary across prediction markets?

The largest price difference shown across venues is 48.0 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 Baltimore Orioles vs. Athletics (9:40 PM ET) prediction market payouts work?

For example, Baltimore Orioles at 79.6¢ implies about a 79.6% 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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