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MARKET RESOLVEDKalshi / Polymarket US / Polymarket / ProphetX

Tampa Bay Rays Wins: Tampa Bay Rays vs. Athletics (3:05 PM ET)

MLB·Resolved 2026-08-12

This market resolved on 2026-08-12. Tampa Bay Rays was the officially declared outcome. Prior to resolution, the market peaked at 100%.

Final Closing Odds

4 platforms

Candidate
Tampa Bay RaysWINNER	99%	100%	100%	100%
Carlos Cortes Over 0.5 Hits + Runs + RBIs	99%	—	—	—
Carlos Cortes Over 2.5 Hits + Runs + RBIs	99%	—	—	—
Drew Rasmussen Over 2.5 Strikeouts	99%	—	—	—
Jonathan Aranda Over 0.5 Hits + Runs + RBIs	99%	—	—	—
Jonathan Aranda Over 1.5 Hits + Runs + RBIs	99%	—	—	—
Junior Caminero Over 0.5 Hits + Runs + RBIs	99%	—	—	—
Junior Caminero Over 1.5 Hits + Runs + RBIs	99%	—	—	—
Junior Caminero Over 3.5 Hits + Runs + RBIs	99%	—	—	—
Junior Caminero Over 4.5 Hits + Runs + RBIs	99%	—	—	—
Over 3.5 runs scored	99%	—	—	—
Over 4.5 runs scored	99%	—	—	—
Over 5.5 runs scored	99%	—	—	—
Tampa Bay Rays spread minus 1.5	99%	—	100%	98%
Tampa Bay Rays spread plus 4.5	—	—	—	97%
Jeff McNeil Under 0.5 Home Runs	—	—	—	96%
Richie Palacios Under 0.5 Home Runs	—	—	—	96%
Taylor Walls Under 0.5 Home Runs	—	—	—	96%
Tyler Soderstrom Under 0.5 Home Runs	—	—	87%	99%
Jonah Heim Under 0.5 Home Runs	—	—	95%	89%
Tampa Bay Rays spread plus 3.5	—	—	—	91%
Total over 8.5	99%	—	99%	91%
Liam Hicks Under 0.5 Home Runs	—	—	0%	91%
Jack Perkins Over 1.5 Strikeouts	99%	—	91%	—
Total over 9.5	99%	—	100%	90%
Carlos Cortes Under 0.5 Home Runs	—	—	80%	99%
Cedric Mullins Under 0.5 Home Runs	—	—	80%	99%
Henry Bolte Under 0.5 Home Runs	—	—	80%	99%
Jacob Wilson Under 0.5 Home Runs	—	—	80%	99%
Victor Mesa Jr. Under 0.5 Home Runs	—	—	80%	99%
Jonathan Aranda Under 0.5 Home Runs	—	—	87%	99%
Tampa Bay Rays spread plus 2.5	—	—	84%	87%
Athletics spread plus 4.5	—	—	—	85%
Tampa Bay Rays spread plus 1.5	—	—	87%	81%
Drew Rasmussen Over 3.5 Strikeouts	1%	—	83%	—
Jack Perkins Under 2.5 Strikeouts	—	—	81%	—
Carlos Cortes Under 1.5 Home Runs	—	—	80%	—
Cedric Mullins Under 1.5 Home Runs	—	—	80%	—
Chandler Simpson Under 0.5 Home Runs	—	—	80%	—
Chandler Simpson Under 1.5 Home Runs	—	—	80%	—
Henry Bolte Under 1.5 Home Runs	—	—	80%	—
Jacob Wilson Under 1.5 Home Runs	—	—	80%	—
Jonah Heim Under 1.5 Home Runs	—	—	80%	—
Jonathan Aranda Under 1.5 Home Runs	—	—	80%	—
Junior Caminero Under 1.5 Home Runs	—	—	80%	—
Lawrence Butler Under 1.5 Home Runs	—	—	80%	—
Liam Hicks Under 1.5 Home Runs	—	—	80%	—
Tyler Soderstrom Under 1.5 Home Runs	—	—	80%	—
Victor Mesa Jr. Under 1.5 Home Runs	—	—	80%	—
Yandy Diaz Under 0.5 Home Runs	—	—	80%	99%
Yandy Diaz Under 1.5 Home Runs	—	—	80%	—
Zack Gelof Under 1.5 Home Runs	—	—	80%	—
Tampa Bay Rays spread plus 1.0	—	—	—	79%
Brian Serven Under 0.5 Hits + Runs + RBIs	—	—	—	78%
Jonathan Aranda Under 2.5 Hits + Runs + RBIs	—	—	—	76%
Total over 6.5	99%	—	—	76%
Junior Caminero Under 0.5 Home Runs	—	—	80%	72%
Tyler Soderstrom Under 1.5 Hits + Runs + RBIs	—	—	—	75%
Tampa Bay Rays spread minus 3.5	99%	—	—	74%
Jacob Wilson Over 0.5 Hits + Runs + RBIs	71%	—	—	—
Yandy Diaz Under 2.5 Hits + Runs + RBIs	—	—	—	71%
Drew Rasmussen Over 4.5 Strikeouts	1%	—	66%	75%
Jack Perkins Under 4.5 Strikeouts	—	—	81%	59%
Total under 12.5	—	—	—	69%
Tommy White Under 1.5 Hits + Runs + RBIs	—	—	—	67%
Total over 10.5	99%	—	100%	67%
Total over 7.5	99%	—	—	67%
Donovan Walton Over 0.5 Hits + Runs + RBIs	99%	—	—	65%
Tampa Bay Rays spread minus 1.0	—	—	—	65%
Jonah Heim Under 1.5 Hits + Runs + RBIs	—	—	—	65%
Chandler Simpson Under 2.5 Hits + Runs + RBIs	—	—	—	63%
Carlos Cortes Under 1.5 Hits + Runs + RBIs	—	—	—	61%
Henry Bolte Under 1.5 Hits + Runs + RBIs	—	—	—	61%
Richie Palacios Under 1.5 Hits + Runs + RBIs	—	—	—	61%
Chandler Simpson Over 1.5 Hits + Runs + RBIs	—	—	—	60%
Lawrence Butler Under 1.5 Hits + Runs + RBIs	—	—	—	60%
Jack Perkins Over 3.5 Strikeouts	1%	—	58%	62%
Total under 11.5	—	—	—	59%
Taylor Walls Under 1.5 Hits + Runs + RBIs	—	—	—	59%
Total under 10.0	—	—	—	58%
Jeff McNeil Under 1.5 Hits + Runs + RBIs	—	—	—	56%
Drew Rasmussen Over 5.5 Strikeouts	1%	—	56%	57%
Liam Hicks Over 1.5 Hits + Runs + RBIs	55%	—	—	57%
Zack Gelof Under 1.5 Hits + Runs + RBIs	—	—	—	55%
Cedric Mullins Under 1.5 Hits + Runs + RBIs	—	—	—	54%
Donovan Walton Under 0.5 Hits + Runs + RBIs	—	—	—	54%
Total over 9.0	—	—	—	54%
Victor Mesa Jr. Over 1.5 Hits + Runs + RBIs	53%	—	—	55%
Jacob Wilson Under 1.5 Hits + Runs + RBIs	—	—	—	53%
Junior Caminero Under 2.5 Hits + Runs + RBIs	—	—	—	52%
Lawrence Butler Over 0.5 Home Runs	99%	—	90%	14%
Junior Caminero Over 2.5 Hits + Runs + RBIs	99%	—	—	52%
Jeff McNeil Over 1.5 Hits + Runs + RBIs	—	—	—	51%
Victor Mesa Jr. Under 1.5 Hits + Runs + RBIs	—	—	—	51%
Zack Gelof Over 1.5 Hits + Runs + RBIs	99%	—	—	51%
Lawrence Butler Under 0.5 Home Runs	—	—	10%	90%
Cedric Mullins Over 1.5 Hits + Runs + RBIs	99%	—	—	50%
Total over 11.5	99%	—	—	50%
Zack Gelof Over 0.5 Home Runs	99%	—	91%	9%
Jacob Wilson Over 1.5 Hits + Runs + RBIs	49%	—	—	50%
Taylor Walls Over 1.5 Hits + Runs + RBIs	52%	—	—	46%
Total over 12.5	1%	—	—	49%
Liam Hicks Under 1.5 Hits + Runs + RBIs	—	—	—	48%
Total under 9.0	—	—	—	48%
Tampa Bay Rays spread minus 2.5	99%	—	99%	46%
Chandler Simpson Over 2.5 Hits + Runs + RBIs	—	—	—	45%
Tyler Soderstrom Over 1.5 Hits + Runs + RBIs	56%	—	—	34%
Jack Perkins Over 4.5 Strikeouts	1%	—	—	45%
Lawrence Butler Over 1.5 Hits + Runs + RBIs	99%	—	—	45%
Carlos Cortes Over 1.5 Hits + Runs + RBIs	99%	—	—	45%
Drew Rasmussen Under 5.5 Strikeouts	—	—	44%	45%
Jonah Heim Over 1.5 Hits + Runs + RBIs	—	—	—	44%
Richie Palacios Over 1.5 Hits + Runs + RBIs	99%	—	—	44%
Total over 10.0	—	—	—	44%
Henry Bolte Over 1.5 Hits + Runs + RBIs	44%	—	—	42%
Jonathan Aranda Over 2.5 Hits + Runs + RBIs	44%	—	—	41%
Chandler Simpson Under 1.5 Hits + Runs + RBIs	—	—	—	43%
Total under 8.5	—	—	1%	43%
Jack Perkins Under 3.5 Strikeouts	—	—	42%	42%
Tommy White Over 1.5 Hits + Runs + RBIs	0%	—	—	41%
Total under 10.5	—	—	0%	41%
Yandy Diaz Over 2.5 Hits + Runs + RBIs	99%	—	—	40%
Athletics spread plus 1.0	—	—	—	37%
Total under 7.5	—	—	—	35%
Brian Serven Over 0.5 Hits + Runs + RBIs	1%	—	—	33%
Drew Rasmussen Under 4.5 Strikeouts	—	—	34%	31%
Junior Caminero Over 0.5 Home Runs	1%	—	—	30%
Athletics spread plus 3.5	—	—	—	29%
Jacob Wilson Over 2.5 Hits + Runs + RBIs	28%	—	—	—
Jonathan Aranda Over 3.5 Hits + Runs + RBIs	28%	—	—	—
Tampa Bay Rays spread minus 4.5	—	—	—	27%
Total under 6.5	—	—	—	27%
Athletics spread minus 1.0	—	—	—	23%
Athletics spread plus 2.5	—	—	1%	22%
Total under 9.5	—	—	0%	19%
Drew Rasmussen Under 3.5 Strikeouts	—	—	17%	—
Jonathan Aranda Over 4.5 Hits + Runs + RBIs	17%	—	—	—
Athletics spread minus 1.5	1%	—	13%	20%
Athletics spread minus 2.5	1%	—	16%	14%
Jacob Wilson Over 3.5 Hits + Runs + RBIs	15%	—	—	—
Tyler Soderstrom Over 0.5 Home Runs	1%	—	13%	14%
Athletics spread plus 1.5	—	—	0%	13%
Victor Mesa Jr. Over 0.5 Home Runs	1%	—	—	12%
Liam Hicks Over 0.5 Home Runs	99%	—	100%	11%
A's wins by over 3.5 runs	1%	—	—	11%
Jeff McNeil Over 0.5 Home Runs	—	—	—	11%
Jonathan Aranda Over 0.5 Home Runs	1%	—	13%	7%
Jonah Heim Over 0.5 Home Runs	—	—	5%	15%
Jack Perkins Under 1.5 Strikeouts	—	—	10%	—
Zack Gelof Under 0.5 Home Runs	—	—	10%	99%
Henry Bolte Over 0.5 Home Runs	1%	—	—	9%
Jacob Wilson Over 4.5 Hits + Runs + RBIs	8%	—	—	—
Donovan Walton Over 0.5 Home Runs	7%	—	—	9%
Athletics spread minus 4.5	—	—	—	8%
Jacob Wilson Over 0.5 Home Runs	7%	—	—	8%
Richie Palacios Over 0.5 Home Runs	5%	—	—	9%
Yandy Diaz Over 0.5 Home Runs	1%	—	—	6%
Taylor Walls Over 0.5 Home Runs	3%	—	—	9%
Carlos Cortes Over 0.5 Home Runs	4%	—	—	8%
Cedric Mullins Over 0.5 Home Runs	1%	—	—	6%
Jack Perkins Over 2.5 Strikeouts	5%	—	—	—
Jonny DeLuca Over 0.5 Home Runs	4%	—	—	6%
Brian Serven Over 0.5 Home Runs	3%	—	—	7%
Tommy White Over 0.5 Home Runs	3%	—	—	6%
Drew Rasmussen Over 6.5 Strikeouts	3%	—	—	—
Athletics	1%	1%	0%	2%
Jonathan Aranda Over 1.5 Home Runs	2%	—	—	—
Tyler Soderstrom Over 1.5 Home Runs	2%	—	—	—
Yandy Diaz Over 1.5 Home Runs	2%	—	—	—
Drew Rasmussen Over 7.5 Strikeouts	1%	—	—	—
Drew Rasmussen Over 8.5 Strikeouts	1%	—	—	—
Jack Perkins Over 5.5 Strikeouts	1%	—	—	—
Jack Perkins Over 6.5 Strikeouts	1%	—	—	—
Jack Perkins Over 7.5 Strikeouts	1%	—	—	—
Jacob Wilson Over 1.5 Home Runs	1%	—	—	—
Junior Caminero Over 1.5 Home Runs	1%	—	—	—
Junior Caminero Over 2.5 Home Runs	1%	—	—	—
Liam Hicks Over 1.5 Home Runs	1%	—	—	—
Max Muncy (ATH) Over 0.5 Home Runs	1%	—	—	—
Over 13.5 runs scored	1%	—	—	—
Richie Palacios Over 1.5 Home Runs	1%	—	—	—
Taylor Walls Over 1.5 Home Runs	1%	—	—	—
Brian Serven Over 1.5 Hits + Runs + RBIs	0%	—	—	—
Brian Serven Over 1.5 Home Runs	0%	—	—	—
Brian Serven Over 2.5 Hits + Runs + RBIs	0%	—	—	—
Brian Serven Over 3.5 Hits + Runs + RBIs	0%	—	—	—
Carlos Cortes Over 1.5 Home Runs	0%	—	—	—
Cedric Mullins Over 1.5 Home Runs	0%	—	—	—
Donovan Walton Over 1.5 Home Runs	0%	—	—	—
Henry Bolte Over 1.5 Home Runs	0%	—	—	—
Jonny DeLuca Over 1.5 Home Runs	0%	—	—	—
Lawrence Butler Over 1.5 Home Runs	0%	—	—	—
Max Muncy (ATH) Over 1.5 Home Runs	0%	—	—	—
Tommy White Over 1.5 Home Runs	0%	—	—	—
Victor Mesa Jr. Over 1.5 Home Runs	0%	—	—	—
Zack Gelof Over 1.5 Home Runs	0%	—	—	—
Chandler Simpson Over 0.5 Home Runs	—	—	—	—
Chandler Simpson Over 1.5 Home Runs	—	—	—	—
Jonah Heim Over 1.5 Home Runs	—	—	—	—

Market RulebooksOfficial settlement criteria and edge cases

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

Rules for Candidate:

Kalshi

Primary Rule

If Tampa Bay wins the Tampa Bay vs A's professional baseball game originally scheduled for Aug 12, 2026 at 3:05 PM EDT, then the market resolves to Yes.

Edge Cases

The following market refers to the Tampa Bay vs A's professional baseball game originally scheduled for Aug 12, 2026 at 3:05 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

Polymarket

Primary Rule

In the upcoming MLB game between the Tampa Bay Rays and Athletics, scheduled for August 12 at 3:05PM ET: This market will resolve to "Tampa Bay Rays" if the Tampa Bay Rays 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 US

Primary Rule

This market will settle to the winner of the Tampa Bay Rays vs Athletics MLB game scheduled for 2026-08-12 at 3:05PM 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.

ProphetX

Primary Rule

Sports moneyline - resolves based on official game outcome per ProphetX Prediction Rules

Resolution Oracles

ProphetX Rules

Frequently Asked Questions

What does the Tampa Bay Rays vs. Athletics (3:05 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 Tampa Bay Rays vs. Athletics (3:05 PM ET) odds?

The last available prices are Tampa Bay Rays: 99.0¢ on Kalshi, 99.9¢ on Polymarket, 99.5¢ on ProphetX, 99.5¢ on Polymarket US; Athletics: 1.0¢ on Kalshi, 0.1¢ on Polymarket, 2.0¢ on ProphetX, 0.5¢ 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 Tampa Bay Rays vs. Athletics (3:05 PM ET) odds vary across prediction markets?

The largest price difference shown across venues is 1.9 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 Tampa Bay Rays vs. Athletics (3:05 PM ET) prediction market payouts work?

For example, Tampa Bay Rays at 99.5¢ implies about a 99.5% 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.

Tampa Bay Rays Wins: Tampa Bay Rays vs. Athletics (3:05 PM ET)

Tampa Bay Rays Wins: Tampa Bay Rays vs. Athletics (3:05 PM ET)

About This Market

Price History

Final Closing Odds

Resolution Oracles

Frequently Asked Questions

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Tampa Bay Rays Wins: Tampa Bay Rays vs. Athletics (3:05 PM ET)

Tampa Bay Rays Wins: Tampa Bay Rays vs. Athletics (3:05 PM ET)

About This Market

Price History

Final Closing Odds

Resolution Oracles

Market Rulebook: Tampa Bay Rays vs. Athletics (3:05 PM ET)

Frequently Asked Questions

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