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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| Kansas City Royals vs. Houston Astros | 100% | +56 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| O/U 5.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| O/U 8.5 | 0% | −53 pts | — | — · <1¢ | — | ended |
| O/U 6.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Spread -1.5 | 0% | −39 pts | — | — · <1¢ | — | ended |
| Spread -1.5 | 100% | +67 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Spread -2.5 | 100% | +76 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| O/U 9.5 | 0% | −43 pts | — | — · <1¢ | — | ended |
| O/U 10.5 | 0% | −36 pts | — | — · <1¢ | — | ended |
| NRFI | 0% | −50 pts | — | — · <1¢ | — | ended |
| Spread -2.5 | 0% | −29 pts | — | — · <1¢ | — | ended |
| O/U 7.5 | 0% | — | — | — · <1¢ | — | ended |
| O/U 4.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| 1st 5 Innings O/U 3.5 | 0% | −64 pts | — | — · <1¢ | — | ended |
| 1st 5 Innings Spread -1.5 | 100% | +71 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| 1st 5 Innings O/U 2.5 | 0% | −77 pts | — | — · <1¢ | — | ended |
| Spread -4.5 | 0% | — | — | — · <1¢ | — | ended |
| Spread -3.5 | 0% | — | — | — · <1¢ | — | ended |
| 1st 5 Innings O/U 4.5 | 0% | −54 pts | — | — · <1¢ | — | ended |
| O/U 3.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| 1st 5 Innings O/U 5.5 | 0% | −42 pts | — | — · <1¢ | — | ended |
| 1st 5 Innings Spread -1.5 | 0% | −34 pts | — | — · <1¢ | — | ended |
| 1st 5 Innings O/U 6.5 | 0% | −28 pts | — | — · <1¢ | — | ended |
| Extra Innings | 0% | −26 pts | — | — · <1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 30d |  basileiarhomaion | Kansas City Royals vs. Houston Astros | SellKansas City Royals>99¢ | $4,318 | −$4 −0.1% | — |
| 30d | Victorious-Carpenter | Kansas City Royals vs. Houston Astros | SellKansas City Royals>99¢ | $1,501 | −$2 −0.1% | — |
| 30d | Emethod | Kansas City Royals vs. Houston Astros | BuyKansas City Royals>99¢ | $2,027 | +$2 +0.1% | 4 |
| 30d | Victorious-Carpenter | Kansas City Royals vs. Houston Astros | BuyKansas City Royals>99¢ | $1,500 | +$3 +0.2% | 4 |
| 30d | Ill-Graft2 fills | Kansas City Royals vs. Houston Astros | BuyKansas City Royals99¢ → 100¢ | $5,427 | +$54 +1.0% | 4 |
| 30d | Poortorich | Kansas City Royals vs. Houston Astros | BuyKansas City Royals98¢ → 100¢ | $1,216 | +$22 +1.8% | 4 |
| 30d | shyu5000 | Kansas City Royals vs. Houston Astros | BuyKansas City Royals99¢ → 100¢ | $2,341 | +$31 +1.3% | 4 |
| 30d | basileiarhomaion | Kansas City Royals vs. Houston Astros | BuyKansas City Royals93¢ → 100¢ | $4,019 | +$303 +7.5% | 4 |
| 30d |  Yellow-Fever2 fills | Kansas City Royals vs. Houston Astros | BuyKansas City Royals45¢ → 100¢ | $12,779 | +$15,376 +120% | 6 |
| 30d | mermlok | Kansas City Royals vs. Houston Astros | BuyKansas City Royals59¢ → 100¢ | $4,700 | +$3,266 +69% | 6 |
| 30d | analdesutructor | Kansas City Royals vs. Houston Astros | BuyKansas City Royals70¢ → 100¢ | $4,305 | +$1,845 +43% | 6 |
| 30d | pagliacci4 | Kansas City Royals vs. Houston Astros | BuyKansas City Royals81¢ → 100¢ | $1,620 | +$380 +23% | 5 |
| 30d | justaluckydude | O/U 5.5 | BuyOver38¢ → 100¢ | $3,393 | +$5,462 +161% | 4 |
| 30d | justaluckydude | O/U 6.5 | BuyOver28¢ → 100¢ | $2,176 | +$5,586 +257% | 4 |
| 30d | HomeRunHazard3 fills | Kansas City Royals vs. Houston Astros | BuyKansas City Royals57¢ → 100¢ | $5,124 | +$3,799 +74% | 6 |
| 30d | HomeRunHazard2 fills | Kansas City Royals vs. Houston Astros | BuyHouston Astros28¢ → 0¢ | $4,875 | −$4,875 −100% | 6 |
| 30d | nothingtoint | Kansas City Royals vs. Houston Astros | BuyHouston Astros30¢ → 0¢ | $1,367 | −$1,367 −100% | 6 |
| 30d | justaluckydude | Kansas City Royals vs. Houston Astros | BuyKansas City Royals71¢ → 100¢ | $1,979 | +$808 +41% | 6 |
| 30d | dabossrealman | Kansas City Royals vs. Houston Astros | BuyHouston Astros68¢ → 0¢ | $1,403 | −$1,403 −100% | 6 |
| 30d | Justluck9 | Kansas City Royals vs. Houston Astros | BuyKansas City Royals36¢ → 100¢ | $1,965 | +$3,494 +178% | 6 |
| 30d | dabossrealman2 fills | Kansas City Royals vs. Houston Astros | BuyKansas City Royals43¢ → 100¢ | $3,141 | +$4,223 +134% | 6 |
| 30d | Generous-Burning | O/U 8.5 | BuyOver55¢ → 0¢ | $3,008 | −$3,008 −100% | 14 |
| 30d | Generous-Burning | Kansas City Royals vs. Houston Astros | BuyHouston Astros61¢ → 0¢ | $2,700 | −$2,700 −100% | 4 |
| 30d | jdfngkdjfnfd | Kansas City Royals vs. Houston Astros | BuyKansas City Royals40¢ → 100¢ | $5,795 | +$8,693 +150% | 4 |
| 30d | Krown3 fills | Kansas City Royals vs. Houston Astros | BuyHouston Astros61¢ → 0¢ | $5,293 | −$5,293 −100% | 4 |
| 30d | pleaseplease1232 fills | Kansas City Royals vs. Houston Astros | BuyHouston Astros61¢ → 0¢ | $109,490 | −$109K −100% | 4 |
| 30d | Unlined-Brownie | Kansas City Royals vs. Houston Astros | BuyKansas City Royals40¢ → 100¢ | $9,705 | +$14,557 +150% | 4 |
| 31d | HomeRunHazard | Spread -1.5 | BuyHouston Astros69¢ → 0¢ | $1,486 | −$1,486 −100% | 12 |
| 31d | ferrariChampions2026 | Kansas City Royals vs. Houston Astros | BuyHouston Astros58¢ → 0¢ | $1,791 | −$1,791 −100% | 4 |
| 31d |  nigiri99 | Kansas City Royals vs. Houston Astros | BuyHouston Astros58¢ → 0¢ | $1,434 | −$1,434 −100% | 4 |
| 31d | MAGATheeStallion | Kansas City Royals vs. Houston Astros | BuyHouston Astros58¢ → 0¢ | $1,999 | −$1,999 −100% | 4 |
In the upcoming MLB game between the Kansas City Royals and Houston Astros, scheduled for September 16 at 8:10PM ET: This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game. This market will resolve to "Houston Astros" if the Houston Astros 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.
Sources: Polymarket's Gamma API, its CLOB price history and its Data API, read every two minutes. Prices are each outcome's Yes price, which is the market's probability: 100¢ for Kansas City Royals vs. Houston Astros means the market gives it about 100%.