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MARKET RESOLVEDKalshi / Polymarket US / Polymarket / ProphetX

Tampa Bay Rays Wins: Tampa Bay Rays vs. Seattle Mariners (9:50 PM ET)

MLB·Resolved 2026-08-08

This market resolved on 2026-08-08. Tampa Bay Rays was the officially declared outcome. Prior to resolution, the market peaked at 93%.

Final Closing Odds

4 platforms

Candidate
Liam Hicks Under 1.5 Home Runs	—	—	99%	—
Total under 11.5	—	—	—	99%
Colt Emerson Under 0.5 Home Runs	—	—	—	99%
Richie Palacios Under 0.5 Home Runs	—	—	—	99%
Jonathan Aranda Under 1.5 Home Runs	—	—	99%	—
Victor Mesa Jr. Under 1.5 Home Runs	—	—	99%	—
Cedric Mullins Under 1.5 Home Runs	—	—	99%	—
Total over 2.5	99%	—	—	99%
Dominic Canzone Under 1.5 Home Runs	—	—	99%	—
Randy Arozarena Under 1.5 Home Runs	—	—	98%	—
Cal Raleigh Under 1.5 Home Runs	—	—	98%	—
Taylor Ward Under 0.5 Home Runs	—	—	—	98%
Brendan Donovan Under 1.5 Home Runs	—	—	98%	—
Josh Naylor Under 1.5 Home Runs	—	—	98%	—
Junior Caminero Under 1.5 Home Runs	—	—	98%	—
Taylor Walls Under 1.5 Home Runs	—	—	98%	—
Yandy Diaz Under 1.5 Home Runs	—	—	98%	—
Cole Young Under 1.5 Home Runs	—	—	98%	—
Julio Rodriguez Under 1.5 Home Runs	—	—	98%	—
Brendan Donovan Under 0.5 Home Runs	—	—	96%	99%
Chandler Simpson Under 0.5 Home Runs	—	—	97%	—
Liam Hicks Under 0.5 Home Runs	—	—	97%	96%
Cole Young Under 0.5 Home Runs	—	—	95%	98%
Yandy Diaz Under 0.5 Home Runs	—	—	95%	98%
Tampa Bay Rays spread plus 3.5	—	—	—	96%
Taylor Walls Under 0.5 Home Runs	—	—	96%	96%
Seattle Mariners spread plus 4.5	—	—	—	95%
Cedric Mullins Under 0.5 Home Runs	—	—	91%	98%
Josh Naylor Under 0.5 Home Runs	—	—	94%	94%
Victor Mesa Jr. Under 0.5 Home Runs	—	—	91%	97%
Jonathan Aranda Under 0.5 Home Runs	—	—	91%	96%
Randy Arozarena Under 0.5 Home Runs	—	—	91%	96%
Chandler Simpson Under 1.5 Home Runs	—	—	93%	—
Total under 10.5	—	—	—	92%
Dominic Canzone Under 0.5 Home Runs	—	—	89%	95%
Julio Rodriguez Under 0.5 Home Runs	—	—	90%	94%
Total under 9.5	—	—	—	91%
Seattle Mariners spread plus 3.5	—	—	—	91%
Tampa Bay Rays spread plus 4.5	—	—	—	90%
Cal Raleigh Under 0.5 Home Runs	—	—	82%	92%
Junior Caminero Under 0.5 Home Runs	—	—	81%	91%
George Kirby Over 2.5 Strikeouts	1%	—	85%	—
Seattle Mariners spread plus 2.5	—	—	77%	92%
Tampa Bay Rays spread plus 2.5	—	—	77%	91%
Tampa Bay Rays spread plus 1.5	—	—	66%	99%
Total under 5.5	—	—	—	82%
Tampa Bay RaysWINNER	99%	100%	73%	87%
Seattle Mariners spread plus 1.5	—	—	65%	95%
George Kirby Over 5.5 Strikeouts	1%	—	—	78%
Total over 3.5	99%	—	—	78%
Total under 8.5	—	—	65%	89%
Griffin Jax Over 3.5 Strikeouts	78%	—	77%	—
Total over 4.5	99%	—	—	74%
Total under 7.5	—	—	55%	91%
Taylor Ward Over 0.5 Hits + Runs + RBIs	—	—	—	71%
George Kirby Over 3.5 Strikeouts	1%	—	71%	—
Tampa Bay Rays spread plus 1.0	—	—	—	68%
Cole Young Under 1.5 Hits + Runs + RBIs	—	—	—	67%
Junior Caminero Under 1.5 Hits + Runs + RBIs	—	—	—	67%
Randy Arozarena Under 1.5 Hits + Runs + RBIs	—	—	—	67%
Brendan Donovan Over 0.5 Hits + Runs + RBIs	—	—	—	66%
Julio Rodriguez Under 1.5 Hits + Runs + RBIs	—	—	—	66%
Victor Mesa Jr. Under 1.5 Hits + Runs + RBIs	—	—	—	66%
Yandy Diaz Under 1.5 Hits + Runs + RBIs	—	—	—	65%
Josh Naylor Under 1.5 Hits + Runs + RBIs	—	—	—	64%
Total under 6.5	—	—	43%	84%
Griffin Jax Over 4.5 Strikeouts	65%	—	63%	—
Total under 8.0	—	—	—	62%
Total under 7.0	—	—	—	61%
Brendan Donovan Over 1.5 Hits + Runs + RBIs	—	—	—	60%
Taylor Walls Over 0.5 Hits + Runs + RBIs	—	—	—	60%
Seattle Mariners spread plus 1.0	—	—	—	60%
Cedric Mullins Under 0.5 Hits + Runs + RBIs	—	—	—	59%
Colt Emerson Under 0.5 Hits + Runs + RBIs	—	—	—	59%
Liam Hicks Under 1.5 Hits + Runs + RBIs	—	—	—	59%
Chandler Simpson Under 1.5 Hits + Runs + RBIs	—	—	—	58%
Dominic Canzone Under 1.5 Hits + Runs + RBIs	—	—	—	58%
Cal Raleigh Under 0.5 Hits + Runs + RBIs	—	—	—	57%
Taylor Ward Under 1.5 Hits + Runs + RBIs	—	—	—	57%
George Kirby Over 4.5 Strikeouts	1%	—	55%	60%
Jonathan Aranda Under 1.5 Hits + Runs + RBIs	—	—	—	56%
Richie Palacios Under 0.5 Hits + Runs + RBIs	—	—	—	56%
Victor Mesa Jr. Over 0.5 Hits + Runs + RBIs	—	—	—	56%
Richie Palacios Over 0.5 Hits + Runs + RBIs	—	—	—	55%
Victor Mesa Jr. Under 0.5 Hits + Runs + RBIs	—	—	—	55%
Total over 6.0	—	—	—	55%
Cal Raleigh Over 0.5 Hits + Runs + RBIs	99%	—	—	54%
Jonathan Aranda Over 1.5 Hits + Runs + RBIs	37%	—	—	54%
Taylor Ward Over 1.5 Hits + Runs + RBIs	—	—	—	54%
Griffin Jax Over 5.5 Strikeouts	49%	—	49%	59%
Chandler Simpson Over 1.5 Hits + Runs + RBIs	—	—	—	53%
Dominic Canzone Over 1.5 Hits + Runs + RBIs	—	—	—	53%
Cedric Mullins Over 0.5 Hits + Runs + RBIs	—	—	—	52%
Griffin Jax Under 5.5 Strikeouts	—	—	51%	53%
Total under 6.0	—	—	—	51%
Colt Emerson Over 0.5 Hits + Runs + RBIs	—	—	—	50%
Brendan Donovan Under 1.5 Hits + Runs + RBIs	—	—	—	50%
Liam Hicks Over 1.5 Hits + Runs + RBIs	—	—	—	50%
Taylor Walls Under 0.5 Hits + Runs + RBIs	—	—	—	49%
Tampa Bay Rays spread minus 1.0	—	—	—	48%
George Kirby Under 4.5 Strikeouts	—	—	46%	47%
Victor Mesa Jr. Over 1.5 Hits + Runs + RBIs	—	—	—	46%
Total over 7.0	—	—	—	45%
Josh Naylor Over 1.5 Hits + Runs + RBIs	—	—	—	45%
Yandy Diaz Over 1.5 Hits + Runs + RBIs	—	—	—	45%
Julio Rodriguez Over 1.5 Hits + Runs + RBIs	15%	—	—	44%
Junior Caminero Over 1.5 Hits + Runs + RBIs	2%	—	—	44%
Randy Arozarena Over 1.5 Hits + Runs + RBIs	17%	—	—	44%
Total over 6.5	1%	—	57%	28%
Brendan Donovan Under 0.5 Hits + Runs + RBIs	—	—	—	43%
Cedric Mullins Over 1.5 Hits + Runs + RBIs	—	—	—	43%
Cole Young Over 1.5 Hits + Runs + RBIs	—	—	—	43%
Total over 8.0	—	—	—	42%
Taylor Ward Under 0.5 Hits + Runs + RBIs	—	—	—	38%
Seattle Mariners spread minus 1.0	—	—	—	38%
Griffin Jax Under 4.5 Strikeouts	—	—	38%	—
Total over 7.5	1%	—	45%	20%
Total under 4.5	—	—	—	29%
George Kirby Under 3.5 Strikeouts	—	—	29%	—
Total over 8.5	1%	—	35%	22%
Total under 3.5	—	—	—	26%
Griffin Jax Under 3.5 Strikeouts	—	—	24%	—
Seattle Mariners spread minus 1.5	1%	—	34%	11%
Total over 5.5	1%	—	—	22%
Tampa Bay Rays spread minus 1.5	1%	—	35%	8%
Seattle Mariners spread minus 4.5	—	—	—	21%
Total over 10.5	1%	—	—	19%
Junior Caminero Over 0.5 Home Runs	1%	—	20%	18%
Total over 11.5	1%	—	—	19%
Seattle Mariners spread minus 2.5	1%	—	23%	14%
Total over 9.5	1%	—	—	18%
Tampa Bay Rays spread minus 2.5	1%	—	24%	12%
Cal Raleigh Over 0.5 Home Runs	8%	—	17%	16%
George Kirby Under 2.5 Strikeouts	—	—	15%	—
Seattle Mariners	1%	1%	15%	15%
Tampa Bay Rays spread minus 3.5	1%	—	—	14%
Julio Rodriguez Over 0.5 Home Runs	1%	—	11%	14%
Dominic Canzone Over 0.5 Home Runs	—	—	11%	13%
Josh Naylor Over 0.5 Home Runs	—	—	6%	17%
Jonathan Aranda Over 0.5 Home Runs	1%	—	11%	12%
Randy Arozarena Over 0.5 Home Runs	1%	—	10%	12%
Yandy Diaz Over 0.5 Home Runs	—	—	6%	16%
Victor Mesa Jr. Over 0.5 Home Runs	—	—	9%	12%
Cedric Mullins Over 0.5 Home Runs	—	—	10%	11%
Taylor Ward Over 0.5 Home Runs	—	—	—	10%
Total under 2.5	—	—	—	10%
Colt Emerson Over 0.5 Home Runs	—	—	—	9%
Richie Palacios Over 0.5 Home Runs	—	—	—	9%
Tampa Bay Rays spread minus 4.5	—	—	—	9%
Seattle Mariners spread minus 3.5	1%	—	—	8%
Cole Young Over 0.5 Home Runs	—	—	6%	10%
Chandler Simpson Over 1.5 Home Runs	—	—	7%	—
Taylor Walls Over 0.5 Home Runs	—	—	4%	9%
Liam Hicks Over 0.5 Home Runs	—	—	3%	10%
Brendan Donovan Over 0.5 Home Runs	—	—	5%	8%
Chandler Simpson Over 0.5 Home Runs	—	—	3%	—
Cole Young Over 1.5 Home Runs	—	—	3%	—
Julio Rodriguez Over 1.5 Home Runs	6%	—	3%	—
Brendan Donovan Over 1.5 Home Runs	—	—	2%	—
Josh Naylor Over 1.5 Home Runs	—	—	2%	—
Junior Caminero Over 1.5 Home Runs	1%	—	2%	—
Taylor Walls Over 1.5 Home Runs	—	—	2%	—
Yandy Diaz Over 1.5 Home Runs	—	—	2%	—
Cal Raleigh Over 1.5 Home Runs	5%	—	2%	—
Randy Arozarena Over 1.5 Home Runs	2%	—	2%	—
Dominic Canzone Over 1.5 Home Runs	—	—	1%	—
Cedric Mullins Over 1.5 Home Runs	—	—	1%	—
Jonathan Aranda Over 1.5 Home Runs	1%	—	1%	—
Victor Mesa Jr. Over 1.5 Home Runs	—	—	1%	—
Liam Hicks Over 1.5 Home Runs	—	—	1%	—
Cal Raleigh Over 1.5 Hits + Runs + RBIs	14%	—	—	—
Cal Raleigh Over 2.5 Hits + Runs + RBIs	27%	—	—	—
Cal Raleigh Over 3.5 Hits + Runs + RBIs	14%	—	—	—
Cal Raleigh Over 4.5 Hits + Runs + RBIs	4%	—	—	—
George Kirby Over 6.5 Strikeouts	1%	—	—	—
George Kirby Over 7.5 Strikeouts	1%	—	—	—
George Kirby Over 8.5 Strikeouts	1%	—	—	—
Griffin Jax Over 1.5 Strikeouts	90%	—	—	—
Griffin Jax Over 2.5 Strikeouts	90%	—	—	—
Griffin Jax Over 6.5 Strikeouts	32%	—	—	—
Griffin Jax Over 7.5 Strikeouts	20%	—	—	—
Griffin Jax Over 8.5 Strikeouts	11%	—	—	—
Griffin Jax Over 9.5 Strikeouts	6%	—	—	—
Jonathan Aranda Over 0.5 Hits + Runs + RBIs	99%	—	—	—
Jonathan Aranda Over 2.5 Hits + Runs + RBIs	20%	—	—	—
Jonathan Aranda Over 3.5 Hits + Runs + RBIs	11%	—	—	—
Jonathan Aranda Over 4.5 Hits + Runs + RBIs	6%	—	—	—
Julio Rodriguez Over 0.5 Hits + Runs + RBIs	99%	—	—	—
Julio Rodriguez Over 2.5 Hits + Runs + RBIs	31%	—	—	—
Julio Rodriguez Over 3.5 Hits + Runs + RBIs	12%	—	—	—
Julio Rodriguez Over 4.5 Hits + Runs + RBIs	7%	—	—	—
Junior Caminero Over 0.5 Hits + Runs + RBIs	1%	—	—	—
Junior Caminero Over 2.5 Hits + Runs + RBIs	12%	—	—	—
Junior Caminero Over 3.5 Hits + Runs + RBIs	9%	—	—	—
Junior Caminero Over 4.5 Hits + Runs + RBIs	5%	—	—	—
Over 1.5 runs scored	99%	—	—	—
Randy Arozarena Over 0.5 Hits + Runs + RBIs	1%	—	—	—
Randy Arozarena Over 2.5 Hits + Runs + RBIs	7%	—	—	—
Randy Arozarena Over 3.5 Hits + Runs + RBIs	16%	—	—	—
Randy Arozarena Over 4.5 Hits + Runs + RBIs	0%	—	—	—

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 Seattle wins the Tampa Bay vs Seattle professional baseball game originally scheduled for Aug 8, 2026 at 9:50 PM EDT, then the market resolves to Yes.

Edge Cases

The following market refers to the Tampa Bay vs Seattle professional baseball game originally scheduled for Aug 8, 2026 at 9:50 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 Seattle Mariners, scheduled for August 8 at 9:50PM ET: This market will resolve to "Tampa Bay Rays" if the Tampa Bay Rays win the game. This market will resolve to "Seattle Mariners" if the Seattle Mariners 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 Seattle Mariners MLB game scheduled for 2026-08-08 at 9:50PM 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. Seattle Mariners (9:50 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. Seattle Mariners (9:50 PM ET) odds?

The last available prices are Tampa Bay Rays: 99.0¢ on Kalshi, 72.5¢ on Polymarket, 87.4¢ on ProphetX, 99.5¢ on Polymarket US; Seattle Mariners: 1.0¢ on Kalshi, 14.5¢ on Polymarket, 15.4¢ 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. Seattle Mariners (9:50 PM ET) odds vary across prediction markets?

The largest price difference shown across venues is 27.0 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 Tampa Bay Rays vs. Seattle Mariners (9:50 PM ET) prediction market payouts work?

For example, Tampa Bay Rays at 86.5¢ implies about a 86.5% 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. Seattle Mariners (9:50 PM ET)

Tampa Bay Rays Wins: Tampa Bay Rays vs. Seattle Mariners (9:50 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. Seattle Mariners (9:50 PM ET)

Tampa Bay Rays Wins: Tampa Bay Rays vs. Seattle Mariners (9:50 PM ET)

About This Market

Price History

Final Closing Odds

Resolution Oracles

Market Rulebook: Tampa Bay Rays vs. Seattle Mariners (9:50 PM ET)

Frequently Asked Questions

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Pro Football: 75+ Receptions Season

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Giannicola Misasi vs. Stijn Paardekooper

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