About This Market
Chicago Cubs vs.
Chicago Cubs vs. Seattle Mariners (10:10 PM ET) — MLB game held on 2026-08-21. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Live prediction market odds for Chicago Cubs vs. Seattle Mariners (10:10 PM ET). Compare prices across Kalshi and Polymarket US and Polymarket and ProphetX.
MLB·Resolved 2026-08-21
This market resolved on 2026-08-21. Seattle Mariners was the officially declared outcome. Prior to resolution, the market peaked at 61%.
Chicago Cubs vs.
Chicago Cubs vs. Seattle Mariners (10:10 PM ET) — MLB game held on 2026-08-21. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate | ![]() | ![]() | ![]() | |
|---|---|---|---|---|
Alex Bregman Over 0.5 Hits | 99% | — | — | — |
Alex Bregman Over 0.5 Hits + Runs + RBIs | 99% | — | — | — |
Alex Bregman Over 0.5 RBIs | 99% | — | — | — |
Alex Bregman Over 1.5 Hits | 99% | — | — | — |
Alex Bregman Over 1.5 RBIs | 99% | — | — | — |
Alex Bregman Over 1.5 Total Bases | 99% | — | — | — |
Alex Bregman Over 2.5 Hits | 99% | — | — | — |
Alex Bregman Over 2.5 Hits + Runs + RBIs | 99% | — | — | — |
Alex Bregman Over 2.5 Total Bases | 99% | — | — | — |
Alex Bregman Over 3.5 Hits + Runs + RBIs | 99% | — | — | — |
Alex Bregman Over 3.5 Total Bases | 99% | — | — | — |
Alex Bregman Over 4.5 Hits + Runs + RBIs | 99% | — | — | — |
Alex Bregman Over 4.5 Total Bases | 99% | — | — | — |
Cal Raleigh Over 0.5 Hits | 99% | — | — | — |
Cal Raleigh Over 0.5 RBIs | 99% | — | — | — |
Cal Raleigh Over 1.5 RBIs | 99% | — | — | — |
Cal Raleigh Over 1.5 Total Bases | 99% | — | — | — |
Cal Raleigh Over 2.5 Hits + Runs + RBIs | 99% | — | — | — |
Cal Raleigh Over 2.5 Total Bases | 99% | — | — | — |
Cal Raleigh Over 3.5 Hits + Runs + RBIs | 99% | — | — | — |
Cal Raleigh Over 3.5 Total Bases | 99% | — | — | — |
Cal Raleigh Over 4.5 Hits + Runs + RBIs | 99% | — | — | — |
Julio Rodriguez Over 0.5 Hits | 99% | — | — | — |
Julio Rodriguez Over 0.5 Hits + Runs + RBIs | 99% | — | — | — |
Matthew Boyd Over 17.5 Pitcher Outs | 99% | — | — | — |
Over 1.5 runs scored | 99% | — | — | — |
Over 2.5 runs scored | 99% | — | — | — |
Pete Crow-Armstrong Over 0.5 Hits | 99% | — | — | — |
Pete Crow-Armstrong Over 0.5 Hits + Runs + RBIs | 99% | — | — | — |
Pete Crow-Armstrong Over 0.5 RBIs | 99% | — | — | — |
Pete Crow-Armstrong Over 1.5 Total Bases | 99% | — | — | — |
Pete Crow-Armstrong Over 2.5 Hits + Runs + RBIs | 99% | — | — | — |
Pete Crow-Armstrong Over 2.5 Total Bases | 99% | — | — | — |
Pete Crow-Armstrong Over 3.5 Total Bases | 99% | — | — | — |
Randy Arozarena Over 0.5 Hits | 99% | — | — | — |
Randy Arozarena Over 0.5 Hits + Runs + RBIs | 99% | — | — | — |
Randy Arozarena Over 0.5 RBIs | 99% | — | — | — |
Randy Arozarena Over 2.5 Hits + Runs + RBIs | 99% | — | — | — |
Brendan Donovan Under 0.5 Home Runs | — | — | — | 99% |
Brock Rodden Under 0.5 Home Runs | — | — | — | 99% |
Michael Conforto Under 0.5 Home Runs | — | — | — | 99% |
Pedro Ramirez Under 0.5 Home Runs | — | — | — | 99% |
Seiya Suzuki Under 0.5 Home Runs | — | — | 99% | 99% |
Seattle Mariners spread plus 3.5 | — | — | — | 96% |
Cole Young Under 0.5 Home Runs | — | — | 95% | 99% |
Dominic Canzone Under 0.5 Home Runs | — | — | 88% | 99% |
Total over 6.0 | — | — | — | 92% |
Taylor Ward Under 0.5 Home Runs | — | — | 85% | 99% |
Total over 5.5 | 99% | — | — | 92% |
Michael Busch Under 0.5 Home Runs | — | — | 84% | 99% |
Total over 3.5 | 99% | — | — | 90% |
Josh Naylor Under 0.5 Home Runs | — | — | 89% | 99% |
Total over 6.5 | 99% | — | — | 87% |
Randy Arozarena Under 0.5 Home Runs | — | — | 87% | 99% |
Total over 4.5 | 99% | — | — | 86% |
Chicago Cubs spread plus 3.5 | — | — | — | 86% |
Cal Raleigh Under 0.5 Home Runs | — | — | — | 85% |
Total over 7.0 | — | — | — | 85% |
Emerson Hancock Over 2.5 Strikeouts | 99% | — | 81% | — |
Emerson Hancock Over 3.5 Strikeouts | 99% | — | 81% | — |
Matthew Boyd Over 2.5 Strikeouts | 99% | — | 81% | — |
Seattle Mariners spread plus 2.5 | — | — | 73% | 89% |
Pete Crow-Armstrong Under 0.5 Home Runs | — | — | 81% | 78% |
Matthew Boyd Under 4.5 Strikeouts | — | — | 1% | 79% |
Chicago Cubs spread plus 2.5 | — | — | 85% | 71% |
Julio Rodriguez Under 1.5 Hits + Runs + RBIs | — | — | — | 75% |
Seattle Mariners spread plus 4.5 | — | — | — | 75% |
Total under 10.5 | — | — | — | 75% |
Ian Happ Under 1.5 Hits + Runs + RBIs | — | — | — | 74% |
Michael Conforto Under 0.5 Hits + Runs + RBIs | — | — | — | 73% |
Seattle Mariners spread plus 1.5 | — | — | 51% | 90% |
Total over 8.0 | — | — | — | 70% |
Total under 9.5 | — | — | 66% | 70% |
Brendan Donovan Under 1.5 Hits + Runs + RBIs | — | — | — | 66% |
Emerson Hancock Over 4.5 Strikeouts | 99% | — | 1% | 66% |
Cole Young Under 1.5 Hits + Runs + RBIs | — | — | — | 65% |
Cal Raleigh Over 0.5 Hits + Runs + RBIs | 99% | — | — | 65% |
Seiya Suzuki Under 1.5 Hits + Runs + RBIs | — | — | — | 65% |
Total over 7.5 | 99% | — | 53% | 77% |
Cal Raleigh Under 1.5 Hits + Runs + RBIs | — | — | — | 64% |
Dominic Canzone Under 1.5 Hits + Runs + RBIs | — | — | — | 63% |
Randy Arozarena Under 1.5 Hits + Runs + RBIs | — | — | — | 62% |
Alex Bregman Under 1.5 Hits + Runs + RBIs | — | — | — | 61% |
Chicago Cubs spread plus 1.0 | — | — | — | 61% |
Total over 8.5 | 99% | — | 45% | 78% |
Brock Rodden Under 0.5 Hits + Runs + RBIs | — | — | — | 60% |
Seattle MarinersWINNER | 99% | 58% | 63% | 60% |
Seattle Mariners spread plus 1.0 | — | — | — | 60% |
Michael Busch Under 1.5 Hits + Runs + RBIs | — | — | — | 59% |
Nico Hoerner Under 1.5 Hits + Runs + RBIs | — | — | — | 58% |
Pedro Ramirez Under 1.5 Hits + Runs + RBIs | — | — | — | 58% |
Brock Rodden Over 0.5 Hits + Runs + RBIs | — | — | — | 57% |
Michael Busch Over 1.5 Hits + Runs + RBIs | — | — | — | 56% |
Total under 12.5 | — | — | — | 56% |
Matthew Boyd Over 4.5 Strikeouts | 1% | — | 19% | 92% |
Pete Crow-Armstrong Over 1.5 Hits + Runs + RBIs | 99% | — | — | 55% |
Cal Raleigh Over 1.5 Hits + Runs + RBIs | 99% | — | — | 54% |
Nico Hoerner Over 1.5 Hits + Runs + RBIs | — | — | — | 53% |
Pedro Ramirez Over 1.5 Hits + Runs + RBIs | — | — | — | 53% |
Total under 11.5 | — | — | — | 53% |
Pete Crow-Armstrong Over 0.5 Home Runs | 99% | — | 81% | 25% |
Pete Crow-Armstrong Under 1.5 Hits + Runs + RBIs | — | — | — | 51% |
Total under 8.5 | — | — | 55% | 48% |
Total over 11.5 | 1% | — | — | 51% |
Alex Bregman Over 1.5 Hits + Runs + RBIs | 99% | — | — | 50% |
Randy Arozarena Over 1.5 Hits + Runs + RBIs | 99% | — | — | 50% |
Dominic Canzone Over 1.5 Hits + Runs + RBIs | — | — | — | 49% |
Josh Naylor Over 1.5 Hits + Runs + RBIs | — | — | — | 49% |
Total over 12.5 | — | — | — | 48% |
Pete Crow-Armstrong Over 3.5 Hits + Runs + RBIs | 47% | — | — | — |
Julio Rodriguez Over 1.5 Hits + Runs + RBIs | 52% | — | — | 41% |
Seiya Suzuki Over 1.5 Hits + Runs + RBIs | — | — | — | 47% |
Emerson Hancock Over 5.5 Strikeouts | 99% | — | — | 46% |
Brendan Donovan Over 1.5 Hits + Runs + RBIs | — | — | — | 46% |
Chicago Cubs spread minus 1.0 | — | — | — | 43% |
Seattle Mariners spread minus 1.0 | — | — | — | 43% |
Chicago Cubs | 1% | 43% | 48% | 43% |
Chicago Cubs spread plus 1.5 | — | — | 45% | 40% |
Emerson Hancock Under 4.5 Strikeouts | — | — | 99% | 42% |
Ian Happ Over 1.5 Hits + Runs + RBIs | — | — | — | 41% |
Total under 7.5 | — | — | 49% | 32% |
Cole Young Over 1.5 Hits + Runs + RBIs | — | — | — | 40% |
Michael Conforto Over 0.5 Hits + Runs + RBIs | — | — | — | 38% |
Total under 8.0 | — | — | — | 38% |
Taylor Ward Over 1.5 Hits + Runs + RBIs | — | — | — | 36% |
Julio Rodriguez Over 2.5 Hits + Runs + RBIs | 36% | — | — | — |
Pete Crow-Armstrong Over 1.5 RBIs | 36% | — | — | — |
Chicago Cubs spread minus 1.5 | 1% | — | 50% | 17% |
Emerson Hancock Over 7.5 Strikeouts | 32% | — | — | — |
Total over 9.5 | 99% | — | 35% | 27% |
Seattle Mariners spread minus 1.5 | 1% | — | 45% | 16% |
Total over 10.5 | 99% | — | — | 30% |
Chicago Cubs spread minus 4.5 | — | — | — | 29% |
Pete Crow-Armstrong Over 1.5 Hits | 28% | — | — | — |
Julio Rodriguez Over 1.5 Hits | 26% | — | — | — |
Randy Arozarena Over 1.5 Hits | 26% | — | — | — |
Cal Raleigh Over 0.5 Home Runs | 99% | — | — | 24% |
Total under 7.0 | — | — | — | 23% |
Seattle Mariners spread minus 2.5 | 1% | — | 14% | 32% |
Chicago Cubs spread minus 2.5 | 1% | — | 28% | 15% |
Total under 4.5 | — | — | — | 21% |
Total under 6.5 | — | — | — | 21% |
Julio Rodriguez Under 0.5 Home Runs | — | — | 19% | 99% |
Matthew Boyd Over 3.5 Strikeouts | 1% | — | 19% | — |
Seattle Mariners spread minus 3.5 | 1% | — | — | 19% |
Total under 5.5 | — | — | — | 16% |
Cal Raleigh Over 1.5 Hits | 15% | — | — | — |
Pete Crow-Armstrong Over 4.5 Hits + Runs + RBIs | 15% | — | — | — |
Total under 6.0 | — | — | — | 15% |
Seiya Suzuki Over 0.5 Home Runs | — | — | 20% | 9% |
Julio Rodriguez Over 1.5 RBIs | 14% | — | — | — |
Alex Bregman Over 0.5 Home Runs | 99% | — | — | 14% |
Total under 3.5 | — | — | — | 13% |
Michael Busch Over 0.5 Home Runs | — | — | 16% | 10% |
Julio Rodriguez Over 0.5 Home Runs | 1% | — | 19% | 6% |
Michael Conforto Over 0.5 Home Runs | — | — | — | 11% |
Ian Happ Over 0.5 Home Runs | — | — | 1% | 10% |
Julio Rodriguez Over 4.5 Total Bases | 10% | — | — | — |
Randy Arozarena Over 0.5 Home Runs | 1% | — | 14% | 6% |
Taylor Ward Over 0.5 Home Runs | — | — | 10% | 8% |
Chicago C wins by over 3.5 runs | 1% | — | — | 9% |
Nico Hoerner Over 0.5 Home Runs | — | — | — | 9% |
Dominic Canzone Over 0.5 Home Runs | — | — | 11% | 5% |
Randy Arozarena Over 4.5 Total Bases | 8% | — | — | — |
Brendan Donovan Over 0.5 Home Runs | — | — | — | 7% |
Brock Rodden Over 0.5 Home Runs | — | — | — | 7% |
Pete Crow-Armstrong Over 2.5 Hits | 7% | — | — | — |
Josh Naylor Over 0.5 Home Runs | — | — | 7% | 6% |
Cal Raleigh Over 4.5 Total Bases | 6% | — | — | — |
Julio Rodriguez Over 2.5 Hits | 6% | — | — | — |
Julio Rodriguez Over 2.5 Total Bases | 6% | — | — | — |
Julio Rodriguez Over 3.5 Total Bases | 6% | — | — | — |
Randy Arozarena Over 2.5 Total Bases | 6% | — | — | — |
Randy Arozarena Over 3.5 Total Bases | 6% | — | — | — |
Pedro Ramirez Over 0.5 Home Runs | — | — | — | 5% |
Randy Arozarena Over 2.5 Hits | 5% | — | — | — |
Cole Young Over 0.5 Home Runs | — | — | 2% | 6% |
Cal Raleigh Over 2.5 Hits | 3% | — | — | — |
Emerson Hancock Over 8.5 Strikeouts | 3% | — | — | — |
Matthew Boyd Over 6.5 Strikeouts | 3% | — | — | — |
Matthew Boyd Over 7.5 Strikeouts | 3% | — | — | — |
Matthew Boyd Over 8.5 Strikeouts | 3% | — | — | — |
Julio Rodriguez Over 0.5 RBIs | 2% | — | — | — |
Julio Rodriguez Over 1.5 Total Bases | 2% | — | — | — |
Matthew Boyd Over 5.5 Strikeouts | 2% | — | — | — |
Pete Crow-Armstrong Over 4.5 Total Bases | 2% | — | — | — |
Pete Crow-Armstrong Over 5.5 Total Bases | 2% | — | — | — |
Randy Arozarena Over 1.5 Total Bases | 2% | — | — | — |
Randy Arozarena Over 3.5 Hits | 2% | — | — | — |
Emerson Hancock Over 17.5 Pitcher Outs | 1% | — | — | — |
Emerson Hancock Over 6.5 Strikeouts | 1% | — | — | — |
Julio Rodriguez Over 3.5 Hits | 1% | — | — | — |
Julio Rodriguez Over 2.5 RBIs | 0% | — | — | — |
Julio Rodriguez Over 3.5 Hits + Runs + RBIs | 0% | — | — | — |
Julio Rodriguez Over 4.5 Hits + Runs + RBIs | 0% | — | — | — |
Julio Rodriguez Over 5.5 Total Bases | 0% | — | — | — |
Randy Arozarena Over 1.5 RBIs | 0% | — | — | — |
Randy Arozarena Over 3.5 Hits + Runs + RBIs | 0% | — | — | — |
Randy Arozarena Over 4.5 Hits + Runs + RBIs | 0% | — | — | — |
Randy Arozarena Over 5.5 Total Bases | 0% | — | — | — |
Seattle Mariners
69.8% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket and Polymarket US and ProphetX.
KalshiIf Chicago C wins the Chicago C vs Seattle professional baseball game originally scheduled for Aug 21, 2026 at 10:10 PM EDT, then the market resolves to Yes.
The following market refers to the Chicago C vs Seattle professional baseball game originally scheduled for Aug 21, 2026 at 10:10 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.
PolymarketIn the upcoming MLB game between the Chicago Cubs and Seattle Mariners, scheduled for August 21 at 10:10PM ET: This market will resolve to "Chicago Cubs" if the Chicago Cubs 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.
Polymarket USThis market will settle to the winner of the Chicago Cubs vs Seattle Mariners MLB game scheduled for 2026-08-21 at 10:10PM 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.
Sports moneyline - resolves based on official game outcome per ProphetX Prediction Rules
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.
The last available prices are Seattle Mariners: 99.0¢ on Kalshi, 62.5¢ on Polymarket, 60.2¢ on ProphetX, 57.5¢ on Polymarket US; Chicago Cubs: 1.0¢ on Kalshi, 48.0¢ on Polymarket, 42.5¢ on ProphetX, 42.5¢ 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.
The largest price difference shown across venues is 47.0 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.
For example, Seattle Mariners at 69.8¢ implies about a 69.8% 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.