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Live prediction market odds for Baltimore Orioles vs. Athletics (4:05 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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Baltimore Orioles Wins: Baltimore Orioles vs. Athletics (4:05 PM ET)

MLB·Resolved 2026-08-30

This market resolved on 2026-08-30. Baltimore Orioles was the officially declared outcome. Prior to resolution, the market peaked at 98%.

About This Market

Baltimore Orioles vs.

Baltimore Orioles vs. Athletics (4:05 PM ET) — MLB game held on 2026-08-30. 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
Gunnar Henderson Over 1.5 Home Runs
99%—100%—
Chris Bassitt Over 2.5 Strikeouts
99%—100%—
Chris Bassitt Over 3.5 Strikeouts
99%—100%—
Jeff McNeil Under 1.5 Home Runs
——99%—
Leody Taveras Under 1.5 Home Runs
——99%—
Lawrence Butler Under 1.5 Home Runs
——99%—
Blaze Alexander Under 1.5 Home Runs
——99%—
Zack Gelof Under 1.5 Home Runs
——99%—
Chris Bassitt Over 0.5 Earned Runs
99%———
Chris Bassitt Over 1.5 Earned Runs
99%———
Chris Bassitt Over 1.5 Strikeouts
99%———
Chris Bassitt Over 2.5 Earned Runs
99%———
Chris Bassitt Over 3.5 Earned Runs
99%———
Chris Bassitt Over 4.5 Earned Runs
99%———
Coby Mayo Under 1.5 Home Runs
——99%—
Gunnar Henderson Over 0.5 Hits
99%———
Gunnar Henderson Over 0.5 Hits + Runs + RBIs
99%———
Gunnar Henderson Over 0.5 RBIs
99%———
Gunnar Henderson Over 1.5 Hits
99%———
Gunnar Henderson Over 1.5 RBIs
99%———
Gunnar Henderson Over 2.5 RBIs
99%———
Gunnar Henderson Over 3.5 Hits + Runs + RBIs
99%———
Gunnar Henderson Over 4.5 Hits + Runs + RBIs
99%———
Jeffrey Springs Over 0.5 Earned Runs
99%———
Jeffrey Springs Over 1.5 Earned Runs
99%———
Jeffrey Springs Over 1.5 Strikeouts
99%———
Jeffrey Springs Over 2.5 Earned Runs
99%———
Jeffrey Springs Over 3.5 Earned Runs
99%———
Jeffrey Springs Over 4.5 Earned Runs
99%———
Jeffrey Springs Over 5.5 Earned Runs
99%———
Jeffrey Springs Over 5.5 Strikeouts
99%———
Jeffrey Springs Under 7.5 Strikeouts
——99%—
Over 4.5 runs scored
99%———
Over 5.5 runs scored
99%———
Pete Alonso Over 0.5 Hits
99%———
Pete Alonso Over 0.5 Hits + Runs + RBIs
99%———
Pete Alonso Over 1.5 Hits + Runs + RBIs
99%———
Brian Serven Under 0.5 Home Runs
——0%99%
Zack Gelof Under 0.5 Home Runs
——99%99%
Christian Encarnacion-Strand Under 1.5 Home Runs
——99%—
Pete Alonso Under 0.5 Home Runs
——1%97%
Jeff McNeil Under 0.5 Home Runs
——97%99%
Leody Taveras Under 0.5 Home Runs
——93%99%
Athletics spread plus 3.5
———95%
Baltimore OriolesWINNER
99%90%100%97%
Lawrence Butler Under 0.5 Home Runs
——87%99%
Baltimore Orioles spread plus 1.5
——99%91%
Athletics spread plus 4.5
———91%
Carlos Cortes Under 0.5 Home Runs
——81%99%
Christian Encarnacion-Strand Under 0.5 Home Runs
——81%99%
Donovan Walton Under 0.5 Home Runs
——81%99%
Blaze Alexander Under 0.5 Home Runs
——90%99%
Carlos Narvaez Under 0.5 Home Runs
——80%99%
Gunnar Henderson Under 0.5 Home Runs
——0%87%
Gunnar Henderson Over 3.5 Hits
85%———
Baltimore Orioles spread minus 2.5
99%—100%83%
Baltimore Orioles spread minus 1.5
99%—100%82%
Christian Franklin Under 0.5 Home Runs
——81%99%
Total over 11.5
99%—100%81%
Total over 12.5
99%——81%
Coby Mayo Under 0.5 Home Runs
——0%80%
Total over 6.5
99%——80%
Henry Bolte Under 0.5 Home Runs
——80%99%
Tommy White Under 0.5 Home Runs
——80%99%
Baltimore Orioles spread plus 2.5
——99%80%
Jeffrey Springs Over 3.5 Strikeouts
99%—100%76%
Total over 7.5
99%——76%
Baltimore Orioles spread minus 1.0
———75%
Total over 8.5
99%——74%
Total over 10.5
99%—99%74%
Baltimore Orioles spread plus 4.5
———71%
Carlos Narvaez Over 0.5 Hits + Runs + RBIs
0%——68%
Jeff McNeil Under 2.5 Hits + Runs + RBIs
———65%
Chris Bassitt Under 4.5 Strikeouts
——72%58%
Christian Encarnacion-Strand Under 2.5 Hits + Runs + RBIs
———64%
Total over 9.5
99%—100%64%
Jackson Holliday Over 1.5 Hits + Runs + RBIs
———63%
Blaze Alexander Under 2.5 Hits + Runs + RBIs
———63%
Brian Serven Under 1.5 Hits + Runs + RBIs
———63%
Baltimore Orioles spread plus 3.5
———62%
Total over 10.0
———61%
Carlos Narvaez Under 1.5 Hits + Runs + RBIs
———60%
Blaze Alexander Over 1.5 Hits + Runs + RBIs
99%——59%
Carlos Cortes Under 1.5 Hits + Runs + RBIs
———59%
Jeff McNeil Over 1.5 Hits + Runs + RBIs
99%——59%
Christian Franklin Under 1.5 Hits + Runs + RBIs
———58%
Coby Mayo Over 1.5 Hits + Runs + RBIs
99%——58%
Gunnar Henderson Over 1.5 Hits + Runs + RBIs
99%——58%
Lawrence Butler Over 1.5 Hits + Runs + RBIs
99%——58%
Henry Bolte Over 1.5 Hits + Runs + RBIs
99%——57%
Baltimore Orioles spread plus 1.0
———56%
Pete Alonso Under 2.5 Hits + Runs + RBIs
———56%
Donovan Walton Under 1.5 Hits + Runs + RBIs
———55%
Zack Gelof Over 1.5 Hits + Runs + RBIs
52%——57%
Tommy White Over 1.5 Hits + Runs + RBIs
99%——54%
Jackson Holliday Over 0.5 Home Runs
——94%13%
Leody Taveras Under 1.5 Hits + Runs + RBIs
———53%
Tommy White Under 1.5 Hits + Runs + RBIs
———53%
Total under 13.5
———53%
Leody Taveras Over 1.5 Hits + Runs + RBIs
0%——53%
Jeffrey Springs Over 4.5 Strikeouts
99%—100%53%
Pete Alonso Over 2.5 Hits + Runs + RBIs
99%——53%
Jeffrey Springs Under 3.5 Strikeouts
——0%52%
Zack Gelof Under 1.5 Hits + Runs + RBIs
———52%
Blaze Alexander Under 1.5 Hits + Runs + RBIs
———51%
Total over 13.5
1%——51%
Jackson Holliday Under 1.5 Home Runs
——50%—
Jeffrey Springs Under 4.5 Strikeouts
——0%50%
Lawrence Butler Under 1.5 Hits + Runs + RBIs
———50%
Athletics spread minus 1.0
———50%
Gunnar Henderson Over 2.5 Hits
50%———
Christian Franklin Over 1.5 Hits + Runs + RBIs
53%——47%
Jackson Holliday Over 1.5 Home Runs
——50%—
Henry Bolte Under 1.5 Hits + Runs + RBIs
———50%
Donovan Walton Over 1.5 Hits + Runs + RBIs
48%——51%
Jackson Holliday Under 0.5 Home Runs
——6%92%
Max Muncy Over 1.5 Hits + Runs + RBIs
———49%
Coby Mayo Under 1.5 Hits + Runs + RBIs
———48%
Jackson Holliday Under 1.5 Hits + Runs + RBIs
———48%
Carlos Narvaez Over 1.5 Hits + Runs + RBIs
0%——47%
Carlos Cortes Over 1.5 Hits + Runs + RBIs
46%——48%
Jeff McNeil Under 1.5 Hits + Runs + RBIs
———47%
Gunnar Henderson Under 1.5 Hits + Runs + RBIs
———46%
Total under 10.0
———45%
A's wins by over 3.5 runs
1%——45%
Brian Serven Over 1.5 Hits + Runs + RBIs
99%——44%
Gunnar Henderson Over 2.5 Hits + Runs + RBIs
99%——44%
Blaze Alexander Over 2.5 Hits + Runs + RBIs
0%——43%
Christian Encarnacion-Strand Over 2.5 Hits + Runs + RBIs
40%——46%
Carlos Narvaez Under 0.5 Hits + Runs + RBIs
———41%
Jeff McNeil Over 2.5 Hits + Runs + RBIs
37%——45%
Jeffrey Springs Over 2.5 Strikeouts
99%—40%—
Total under 9.5
——0%40%
Chris Bassitt Over 4.5 Strikeouts
1%—28%45%
Athletics spread plus 1.0
———33%
Athletics spread minus 4.5
———32%
Total under 10.5
——1%31%
Pete Alonso Over 4.5 Hits + Runs + RBIs
31%———
Athletics spread plus 2.5
——0%31%
Total under 8.5
———31%
Baltimore wins by over 3.5 runs
1%——29%
Total under 7.5
———29%
Athletics spread minus 2.5
1%—1%25%
Coby Mayo Over 0.5 Home Runs
99%—100%24%
Total under 11.5
——0%23%
Total under 6.5
———23%
Total under 12.5
———23%
Athletics spread plus 1.5
——0%22%
Baltimore Orioles spread minus 4.5
———20%
Pete Alonso Over 1.5 RBIs
20%———
Gunnar Henderson Over 0.5 Home Runs
99%—100%18%
Total over 14.5
1%——17%
Pete Alonso Over 2.5 Hits
15%———
Max Muncy Over 0.5 Home Runs
———15%
Christian Encarnacion-Strand Over 0.5 Home Runs
1%—19%10%
Pete Alonso Over 0.5 Home Runs
1%—8%18%
Brian Serven Over 0.5 Home Runs
99%—100%12%
Zack Gelof Over 0.5 Home Runs
3%—11%13%
Blaze Alexander Over 0.5 Home Runs
3%—11%11%
Lawrence Butler Over 0.5 Home Runs
2%—13%10%
Chris Bassitt Under 6.5 Strikeouts
——10%—
Leody Taveras Over 0.5 Home Runs
1%—8%11%
Pete Alonso Over 2.5 RBIs
9%———
Athletics
1%10%0%5%
Athletics spread minus 1.5
2%—1%12%
Carlos Narvaez Over 0.5 Home Runs
6%——7%
Henry Bolte Over 0.5 Home Runs
2%——10%
Carlos Cortes Over 0.5 Home Runs
3%——9%
Donovan Walton Over 0.5 Home Runs
3%——9%
Chris Bassitt Over 7.5 Strikeouts
6%—6%—
Jeffrey Springs Over 7.5 Strikeouts
1%—6%—
Jeff McNeil Over 0.5 Home Runs
3%—1%7%
Christian Franklin Over 0.5 Home Runs
2%——8%
Gunnar Henderson Over 0.5 Stolen Bases
5%———
Tommy White Over 0.5 Home Runs
1%——5%
Chris Bassitt Over 6.5 Strikeouts
3%—99%—
Chris Bassitt Over 8.5 Strikeouts
3%———
Pete Alonso Over 3.5 Hits
3%———
Pete Alonso Over 1.5 Home Runs
3%—2%—
Christian Encarnacion-Strand Over 1.5 Home Runs
3%—1%—
Coby Mayo Over 1.5 Home Runs
1%—2%—
Pete Alonso Over 0.5 RBIs
2%———
Pete Alonso Over 1.5 Hits
2%———
Chris Bassitt Over 17.5 Pitcher Outs
1%———
Chris Bassitt Over 5.5 Strikeouts
1%———
Jeffrey Springs Over 15.5 Pitcher Outs
1%———
Jeffrey Springs Under 6.5 Strikeouts
——1%—
Pete Alonso Over 2.5 Home Runs
1%———
Pete Alonso Over 3.5 Hits + Runs + RBIs
1%———
Lawrence Butler Over 1.5 Home Runs
1%—1%—
Jeff McNeil Over 1.5 Home Runs
1%—1%—
Zack Gelof Over 1.5 Home Runs
0%—1%—
Leody Taveras Over 1.5 Home Runs
0%—1%—
Chris Bassitt Under 2.5 Strikeouts
——0%—
Chris Bassitt Under 3.5 Strikeouts
——0%—
Chris Bassitt Under 7.5 Strikeouts
——0%—
Jeffrey Springs Under 2.5 Strikeouts
——0%—
Pete Alonso Under 1.5 Home Runs
——0%—
Blaze Alexander Over 1.5 Home Runs
0%—99%—
Jeffrey Springs Over 6.5 Strikeouts
1%—99%—

Resolution Oracles

KalshiKalshi
Kalshi Rules
PolymarketPolymarket
UMA Optimistic OracleConsensus of Sources
ProphetXProphetX
ProphetX Rules
Read Full Market Rulebooks
Stats
Spread9.9%
Platforms4
Candidates2
Winner

Baltimore Orioles

96.5% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Baltimore Orioles vs. Athletics (4:05 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 30, 2026 at 4:05 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 30, 2026 at 4:05 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 Baltimore Orioles and Athletics, scheduled for August 30 at 4:05PM 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 2026-08-30 at 4:05PM 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 Baltimore Orioles vs. Athletics (4:05 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 Baltimore Orioles vs. Athletics (4:05 PM ET) odds?

The last available prices are Baltimore Orioles: 99.0¢ on Kalshi, 99.9¢ on Polymarket, 97.3¢ on ProphetX, 90.0¢ on Polymarket US; Athletics: 1.0¢ on Kalshi, 0.1¢ on Polymarket, 4.6¢ on ProphetX, 10.0¢ 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 Baltimore Orioles vs. Athletics (4:05 PM ET) odds vary across prediction markets?

The largest price difference shown across venues is 9.9 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 Baltimore Orioles vs. Athletics (4:05 PM ET) prediction market payouts work?

For example, Baltimore Orioles at 96.5¢ implies about a 96.5% 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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