About This Market
Kansas City Royals vs.
Kansas City Royals vs. Boston Red Sox (4:10 PM ET): MLB game held on 2026-09-12. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Live prediction market odds for Kansas City Royals vs. Boston Red Sox (4:10 PM ET). Compare prices across Kalshi and Polymarket US and Novig and Polymarket and ProphetX.
MLB·Resolved 2026-09-12
This market resolved on 2026-09-12. Boston Red Sox was the officially declared outcome. Prior to resolution, the market peaked at 98%.
Kansas City Royals vs.
Kansas City Royals vs. Boston Red Sox (4:10 PM ET): MLB game held on 2026-09-12. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate | ![]() | ![]() | ![]() | ![]() | |
|---|---|---|---|---|---|
Roman Anthony Over 0.5 Hits | 100% | — | — | — | — |
Wilyer Abreu Over 0.5 RBIs | 100% | — | — | — | — |
Bobby Witt Jr. Over 0.5 Hits + Runs + RBIs | 99% | — | — | — | — |
Carter Jensen Over 0.5 Hits | 99% | — | — | — | — |
Carter Jensen Over 0.5 Hits + Runs + RBIs | 99% | — | — | — | — |
Carter Jensen Over 0.5 RBIs | 99% | — | — | — | — |
Carter Jensen Over 1.5 Total Bases | 99% | — | — | — | — |
Carter Jensen Over 2.5 Hits + Runs + RBIs | 99% | — | — | — | — |
Carter Jensen Over 2.5 Total Bases | 99% | — | — | — | — |
Carter Jensen Over 3.5 Total Bases | 99% | — | — | — | — |
Randy Dobnak Over 1.5 Strikeouts | 99% | — | — | — | — |
Randy Dobnak Over 15.5 Pitcher Outs | 99% | — | — | — | — |
Randy Dobnak Over 2.5 Strikeouts | 99% | — | — | — | — |
Ranger Suarez Over 17.5 Pitcher Outs | 99% | — | — | — | — |
Ranger Suarez Over 2.5 Strikeouts | 99% | — | — | — | — |
Ranger Suarez Over 3.5 Strikeouts | 99% | — | — | — | — |
Roman Anthony Over 0.5 Hits + Runs + RBIs | 99% | — | — | — | — |
Salvador Perez Over 0.5 Hits | 99% | — | — | — | — |
Salvador Perez Over 0.5 Hits + Runs + RBIs | 99% | — | — | — | — |
Bobby Witt Jr. Over 0.5 Hits | 98% | — | — | — | — |
Wilyer Abreu Over 1.5 Total Bases | 98% | — | — | — | — |
Boston Red Sox spread plus 2.5 | — | — | — | 91% | 95% |
Total under 10.5 | — | — | — | — | 90% |
Carter Jensen Under 0.5 Home Runs | — | — | — | — | 89% |
Total under 9.5 | — | — | — | 92% | 86% |
Kansas City Royals spread plus 4.5 | — | — | — | — | 89% |
Boston Red Sox spread plus 3.5 | — | — | — | — | 89% |
Boston Red Sox spread plus 1.5 | — | — | — | 88% | 88% |
Bobby Witt Jr. Under 0.5 Home Runs | — | — | — | — | 87% |
Total under 8.5 | — | — | 60% | 91% | 86% |
Wilyer Abreu Under 0.5 Home Runs | — | — | — | — | 85% |
Total under 7.5 | — | — | — | 88% | 79% |
Boston Red Sox spread minus 2.5 | 78% | — | 38% | 96% | 84% |
Kansas City Royals spread plus 3.5 | — | — | — | — | 80% |
Wilyer Abreu Over 0.5 Hits + Runs + RBIs | 76% | — | — | — | — |
Boston Red Sox spread plus 1.0 | — | — | — | — | 74% |
Boston Red Sox spread minus 1.5 | 95% | — | 40% | 67% | 78% |
Caleb Durbin Over 0.5 Hits + Runs + RBIs | 70% | — | — | — | — |
Boston Red SoxWINNER | 99% | 61% | 70% | 98% | 99% |
Ranger Suarez Under 5.5 Strikeouts | — | — | — | — | 68% |
Total under 6.5 | — | — | — | — | 66% |
Isaac Collins Under 1.5 Hits + Runs + RBIs | — | — | — | — | 65% |
Randy Dobnak Under 3.5 Strikeouts | — | — | — | — | 65% |
Roman Anthony Under 2.5 Hits + Runs + RBIs | — | — | — | — | 64% |
Michael Massey Under 1.5 Hits + Runs + RBIs | — | — | — | — | 63% |
Roman Anthony Over 1.5 Hits + Runs + RBIs | 99% | — | — | — | 62% |
Vinnie Pasquantino Under 1.5 Hits + Runs + RBIs | — | — | — | — | 60% |
Boston Red Sox spread minus 1.0 | — | — | — | — | 60% |
Kyle Isbel Over 0.5 Hits + Runs + RBIs | 57% | — | — | — | 60% |
Adley Rutschman Over 1.5 Hits + Runs + RBIs | 99% | — | — | — | 58% |
Carter Jensen Under 1.5 Hits + Runs + RBIs | — | — | — | — | 58% |
Nick Loftin Under 1.5 Hits + Runs + RBIs | — | — | — | — | 58% |
Caleb Durbin Under 1.5 Hits + Runs + RBIs | — | — | — | — | 57% |
Salvador Perez Under 1.5 Hits + Runs + RBIs | — | — | — | — | 57% |
Matthew Lugo Over 0.5 Hits + Runs + RBIs | 57% | — | — | — | 57% |
Ranger Suarez Over 4.5 Strikeouts | 99% | — | — | — | 57% |
Bobby Witt Jr. Over 1.5 Hits + Runs + RBIs | 54% | — | — | — | 59% |
Mickey Gasper Over 1.5 Hits + Runs + RBIs | 99% | — | — | — | 56% |
Total over 8.0 | — | — | — | — | 56% |
Total under 9.0 | — | — | — | — | 56% |
Isiah Kiner-Falefa Under 1.5 Hits + Runs + RBIs | — | — | — | — | 55% |
Wilyer Abreu Over 1.5 Hits + Runs + RBIs | 49% | — | — | — | 61% |
Randy Dobnak Over 3.5 Strikeouts | 67% | — | — | — | 40% |
Jarren Duran Over 1.5 Hits + Runs + RBIs | 50% | — | — | — | 55% |
Isiah Kiner-Falefa Over 1.5 Hits + Runs + RBIs | — | — | — | — | 52% |
Jarren Duran Under 1.5 Hits + Runs + RBIs | — | — | — | — | 52% |
Nick Sogard Over 1.5 Hits + Runs + RBIs | 48% | — | — | — | 53% |
Trevor Story Under 1.5 Hits + Runs + RBIs | — | — | — | — | 50% |
Caleb Durbin Over 1.5 Hits + Runs + RBIs | 47% | — | — | — | 52% |
Nick Sogard Under 1.5 Hits + Runs + RBIs | — | — | — | — | 49% |
Bobby Witt Jr. Under 1.5 Hits + Runs + RBIs | — | — | — | — | 49% |
Matthew Lugo Under 0.5 Hits + Runs + RBIs | — | — | — | — | 49% |
Carter Jensen Over 1.5 Hits + Runs + RBIs | 99% | — | — | — | 48% |
Adley Rutschman Under 1.5 Hits + Runs + RBIs | — | — | — | — | 48% |
Vinnie Pasquantino Over 1.5 Hits + Runs + RBIs | 45% | — | — | — | 50% |
Roman Anthony Over 1.5 Total Bases | 47% | — | — | — | — |
Total over 5.5 | 99% | — | 43% | — | 51% |
Total over 9.0 | — | — | — | — | 46% |
Total under 8.0 | — | — | — | — | 46% |
Roman Anthony Under 1.5 Hits + Runs + RBIs | — | — | — | — | 46% |
Wilyer Abreu Under 1.5 Hits + Runs + RBIs | — | — | — | — | 46% |
Mickey Gasper Under 1.5 Hits + Runs + RBIs | — | — | — | — | 45% |
Bobby Witt Jr. Over 2.5 Hits + Runs + RBIs | 45% | — | — | — | — |
Isaac Collins Over 1.5 Hits + Runs + RBIs | — | — | — | — | 45% |
Randy Dobnak Over 4.5 Strikeouts | 44% | — | — | — | — |
Roman Anthony Over 1.5 Hits | 43% | — | — | — | — |
Roman Anthony Over 2.5 Hits + Runs + RBIs | 40% | — | — | — | 44% |
Kansas City Royals spread plus 1.0 | — | — | — | — | 42% |
Kyle Isbel Under 0.5 Hits + Runs + RBIs | — | — | — | — | 41% |
Ranger Suarez Over 6.5 Strikeouts | 40% | — | — | — | — |
Trevor Story Over 1.5 Hits + Runs + RBIs | 18% | — | — | — | 58% |
Ranger Suarez Over 5.5 Strikeouts | 100% | — | — | — | 38% |
Wilyer Abreu Over 2.5 Hits + Runs + RBIs | 30% | — | — | — | 44% |
Wilyer Abreu Over 0.5 Hits | 36% | — | — | — | — |
Salvador Perez Over 1.5 Hits + Runs + RBIs | 20% | — | — | — | 51% |
Kansas City Royals spread plus 1.5 | — | — | 60% | 33% | 25% |
Michael Massey Over 1.5 Hits + Runs + RBIs | 20% | — | — | — | 45% |
Ranger Suarez Over 7.5 Strikeouts | 32% | — | — | — | — |
Nick Loftin Over 1.5 Hits + Runs + RBIs | 17% | — | — | — | 44% |
Caleb Durbin Over 0.5 RBIs | 30% | — | — | — | — |
Caleb Durbin Over 2.5 Hits + Runs + RBIs | 30% | — | — | — | — |
Kansas City Royals spread minus 1.0 | — | — | — | — | 27% |
Bobby Witt Jr. Over 3.5 Hits + Runs + RBIs | 24% | — | — | — | — |
Kansas City Royals spread plus 2.5 | — | — | 63% | 4% | 23% |
Roman Anthony Over 3.5 Hits + Runs + RBIs | 23% | — | — | — | — |
Total over 7.5 | 22% | — | — | 12% | 25% |
Wilyer Abreu Over 1.5 Hits | 20% | — | — | — | — |
Wilyer Abreu Over 4.5 Total Bases | 20% | — | — | — | — |
Caleb Durbin Over 0.5 Hits | 19% | — | — | — | — |
Roman Anthony Over 3.5 Total Bases | 19% | — | — | — | — |
Salvador Perez Over 1.5 Hits | 19% | — | — | — | — |
Wilyer Abreu Over 0.5 Home Runs | 20% | — | — | — | 18% |
Carter Jensen Over 4.5 Total Bases | 19% | — | — | — | — |
Total over 8.5 | 1% | — | 41% | 9% | 18% |
Carter Jensen Over 1.5 RBIs | 18% | — | — | — | — |
Kansas City Royals | 1% | 39% | 31% | 3% | 5% |
Mickey Gasper Over 0.5 Home Runs | 21% | — | — | — | 14% |
Caleb Durbin Over 3.5 Hits + Runs + RBIs | 17% | — | — | — | — |
Wilyer Abreu Over 1.5 RBIs | 17% | — | — | — | — |
Roman Anthony Over 0.5 Home Runs | 17% | — | — | — | 17% |
Wilyer Abreu Over 4.5 Hits + Runs + RBIs | 16% | — | — | — | — |
Kansas City Royals spread minus 1.5 | 1% | — | — | 12% | 20% |
Bobby Witt Jr. Over 2.5 Hits | 16% | — | — | — | — |
Bobby Witt Jr. Over 3.5 Hits | 16% | — | — | — | — |
Adley Rutschman Over 0.5 Home Runs | 17% | — | — | — | 13% |
Bobby Witt Jr. Over 0.5 RBIs | 15% | — | — | — | — |
Roman Anthony Over 4.5 Hits + Runs + RBIs | 15% | — | — | — | — |
Boston Red Sox spread minus 4.5 | — | — | — | — | 15% |
Carter Jensen Over 3.5 Hits + Runs + RBIs | 15% | — | — | — | — |
Ranger Suarez Over 8.5 Strikeouts | 15% | — | — | — | — |
Salvador Perez Over 0.5 RBIs | 15% | — | — | — | — |
Bobby Witt Jr. Over 1.5 Total Bases | 14% | — | — | — | — |
Carter Jensen Over 1.5 Hits | 14% | — | — | — | — |
Bobby Witt Jr. Over 1.5 Hits | 14% | — | — | — | — |
Carter Jensen Over 0.5 Home Runs | 99% | — | — | — | 13% |
Roman Anthony Over 4.5 Total Bases | 13% | — | — | — | — |
Wilyer Abreu Over 2.5 Total Bases | 13% | — | — | — | — |
Wilyer Abreu Over 3.5 Hits + Runs + RBIs | 13% | — | — | — | — |
Roman Anthony Over 0.5 RBIs | 11% | — | — | — | — |
Salvador Perez Over 1.5 RBIs | 11% | — | — | — | — |
Bobby Witt Jr. Over 0.5 Home Runs | 5% | — | — | — | 17% |
Bobby Witt Jr. Over 1.5 RBIs | 11% | — | — | — | — |
Salvador Perez Over 1.5 Total Bases | 11% | — | — | — | — |
Salvador Perez Over 4.5 Hits + Runs + RBIs | 10% | — | — | — | — |
Salvador Perez Over 0.5 Home Runs | 3% | — | — | — | 15% |
Kansas City Royals spread minus 2.5 | 1% | — | — | 9% | 9% |
Randy Dobnak Over 5.5 Strikeouts | 9% | — | — | — | — |
Roman Anthony Over 2.5 Total Bases | 9% | — | — | — | — |
Jarren Duran Over 0.5 Home Runs | 6% | — | — | — | 10% |
Bobby Witt Jr. Over 2.5 Total Bases | 8% | — | — | — | — |
Caleb Durbin Over 4.5 Hits + Runs + RBIs | 8% | — | — | — | — |
Carter Jensen Over 4.5 Hits + Runs + RBIs | 8% | — | — | — | — |
Total over 9.5 | 6% | — | — | 8% | 14% |
Trevor Story Over 0.5 Home Runs | 2% | — | — | — | 13% |
Caleb Durbin Over 2.5 Total Bases | 7% | — | — | — | — |
Caleb Durbin Over 1.5 RBIs | 6% | — | — | — | — |
Randy Dobnak Over 6.5 Strikeouts | 6% | — | — | — | — |
Salvador Perez Over 2.5 Hits | 6% | — | — | — | — |
Wilyer Abreu Over 5.5 Total Bases | 6% | — | — | — | — |
Bobby Witt Jr. Over 3.5 Total Bases | 5% | — | — | — | — |
Bobby Witt Jr. Over 4.5 Total Bases | 5% | — | — | — | — |
Bobby Witt Jr. Over 5.5 Total Bases | 5% | — | — | — | — |
Roman Anthony Over 1.5 Home Runs | 5% | — | — | — | — |
Salvador Perez Over 3.5 Hits + Runs + RBIs | 5% | — | — | — | — |
Wilyer Abreu Over 3.5 Total Bases | 5% | — | — | — | — |
Vinnie Pasquantino Over 0.5 Home Runs | 2% | — | — | — | 8% |
Caleb Durbin Over 1.5 Total Bases | 5% | — | — | — | — |
Salvador Perez Over 2.5 Hits + Runs + RBIs | 5% | — | — | — | — |
Wilyer Abreu Over 2.5 RBIs | 5% | — | — | — | — |
Caleb Durbin Over 2.5 Hits | 4% | — | — | — | — |
Kyle Isbel Over 0.5 Home Runs | 4% | — | — | — | — |
Caleb Durbin Over 3.5 Total Bases | 4% | — | — | — | — |
Caleb Durbin Over 1.5 Hits | 3% | — | — | — | — |
Nick Loftin Over 0.5 Home Runs | 3% | — | — | — | — |
Wilyer Abreu Over 2.5 Hits | 3% | — | — | — | — |
Roman Anthony Over 1.5 RBIs | 3% | — | — | — | — |
Bobby Witt Jr. Over 1.5 Home Runs | 2% | — | — | — | — |
Bobby Witt Jr. Over 4.5 Hits + Runs + RBIs | 2% | — | — | — | — |
Ranger Suarez Over 9.5 Strikeouts | 2% | — | — | — | — |
Roman Anthony Over 2.5 Hits | 2% | — | — | — | — |
Salvador Perez Over 1.5 Home Runs | 2% | — | — | — | — |
Wilyer Abreu Over 1.5 Home Runs | 2% | — | — | — | — |
Michael Massey Over 0.5 Home Runs | 2% | — | — | — | — |
Caleb Durbin Over 0.5 Home Runs | 1% | — | — | — | — |
Carter Jensen Over 1.5 Home Runs | 1% | — | — | — | — |
Carter Jensen Over 2.5 Hits | 1% | — | — | — | — |
Nick Sogard Over 0.5 Home Runs | 1% | — | — | — | — |
Roman Anthony Over 3.5 Hits | 1% | — | — | — | — |
Wilyer Abreu Over 3.5 Hits | 0% | — | — | — | — |
Boston wins by over 3.5 runs | — | — | — | — | — |
Kansas City wins by over 3.5 runs | — | — | — | — | — |
Over 2.5 runs scored | — | — | — | — | — |
Over 3.5 runs scored | — | — | — | — | — |
Total over 10.5 | — | — | — | — | — |
Total over 11.5 | — | — | — | — | — |
Total over 12.5 | — | — | — | — | — |
Total over 4.5 | — | — | — | — | — |
Total over 6.5 | — | — | — | — | — |
Boston Red Sox
85.2% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi and Novig and Polymarket and Polymarket US and ProphetX.
KalshiIf Kansas City wins the Kansas City vs Boston professional baseball game originally scheduled for Sep 12, 2026 at 4:10 PM EDT, then the market resolves to Yes.
The following market refers to the Kansas City vs Boston professional baseball game originally scheduled for Sep 12, 2026 at 4:10 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.
NovigKansas City Royals in Kansas City Royals @ Boston Red Sox (MLB); settled by Novig.
If the contract cannot be settled on the stated outcome, Novig settles it at fair market value (FMV) instead of refunding it.
PolymarketIn the upcoming MLB game between the Kansas City Royals and Boston Red Sox, scheduled for September 12 at 4:10PM ET: This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game. This market will resolve to "Boston Red Sox" if the Boston Red Sox 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 Kansas City Royals vs Boston Red Sox MLB game scheduled for 2026-09-12 at 4:10PM 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, Novig, 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 Boston Red Sox: 99.0¢ on Kalshi, 97.5¢ on Polymarket, 99.0¢ on ProphetX, 61.0¢ on Polymarket US, 69.5¢ on Novig; Kansas City Royals: 0.5¢ on Kalshi, 2.5¢ on Polymarket, 4.6¢ on ProphetX, 39.0¢ on Polymarket US, 30.5¢ on Novig. 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 38.5 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, Boston Red Sox at 85.2¢ implies about a 85.2% 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.