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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| Seattle Mariners vs. Kansas City Royals | 100% | +43 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Spread -1.5 | 100% | +57 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Spread -1.5 | 0% | −28 pts | — | — · <1¢ | — | ended |
| O/U 8.5 | 0% | −48 pts | — | — · <1¢ | — | ended |
| O/U 6.5 | 0% | −67 pts | — | — · <1¢ | — | ended |
| O/U 2.5 | 0% | — | — | — · <1¢ | — | ended |
| Spread -2.5 | 0% | −32 pts | — | — · <1¢ | — | ended |
| O/U 5.5 | 0% | −74 pts | — | — · <1¢ | — | ended |
| O/U 7.5 | 0% | −56 pts | — | — · <1¢ | — | ended |
| NRFI | 0% | −47 pts | — | — · <1¢ | — | ended |
| O/U 11.5 | 0% | −22 pts | — | — · <1¢ | — | ended |
| Spread -3.5 | 0% | −23 pts | — | — · <1¢ | — | ended |
| O/U 10.5 | 0% | −30 pts | — | — · <1¢ | — | ended |
| O/U 4.5 | 0% | — | — | — · <1¢ | — | ended |
| Spread -4.5 | 0% | −17 pts | — | — · <1¢ | — | ended |
| O/U 3.5 | 0% | — | — | — · <1¢ | — | ended |
| O/U 9.5 | 0% | −37 pts | — | — · <1¢ | — | ended |
| Spread -2.5 | 0% | −19 pts | — | — · <1¢ | — | ended |
| Spread -3.5 | 0% | −13 pts | — | — · <1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 153d | vandyvandy | Seattle Mariners vs. Kansas City Royals | SellSeattle Mariners>99¢ | $1,278 | −$1 −0.1% | — |
| 153d | NeoOracle | O/U 2.5 | BuyUnder>99¢ | $2,302 | +$2 +0.1% | 4 |
| 153d | kkookkoo | Seattle Mariners vs. Kansas City Royals | SellSeattle Mariners99¢ → 100¢ | $12,156 | −$123 −1.0% | — |
| 153d |  RN1 | Seattle Mariners vs. Kansas City Royals | BuySeattle Mariners82¢ → 100¢ | $1,152 | +$258 +22% | 5 |
| 153d | 0xf004…adaf | Seattle Mariners vs. Kansas City Royals | BuySeattle Mariners88¢ → 100¢ | $1,040 | +$142 +14% | 5 |
| 153d | 0x4f2 | Seattle Mariners vs. Kansas City Royals | SellKansas City Royals36¢ → 0¢ | $1,236 | +$1,236 +100% | — |
| 153d | kkookkoo | Seattle Mariners vs. Kansas City Royals | BuySeattle Mariners53¢ → 100¢ | $6,508 | +$5,771 +89% | 6 |
| 153d |  Crassula | Seattle Mariners vs. Kansas City Royals | BuyKansas City Royals48¢ → 0¢ | $1,440 | −$1,440 −100% | 6 |
| 153d | swisstony | Spread -1.5 | BuyKansas City Royals22¢ → 0¢ | $1,022 | −$1,022 −100% | 4 |
| 154d | sportmaster777 | Seattle Mariners vs. Kansas City Royals | BuySeattle Mariners50¢ → 100¢ | $4,950 | +$4,950 +100% | 6 |
| 154d | swisstony | O/U 6.5 | BuyUnder56¢ → 100¢ | $1,085 | +$852 +79% | 4 |
| 154d | mjjbb | Seattle Mariners vs. Kansas City Royals | BuyKansas City Royals53¢ → 0¢ | $2,232 | −$2,232 −100% | 6 |
| 154d | xifutloong3 | Seattle Mariners vs. Kansas City Royals | BuyKansas City Royals53¢ → 0¢ | $13,389 | −$13,389 −100% | 6 |
| 154d | ferrariChampions2026 | Seattle Mariners vs. Kansas City Royals | BuySeattle Mariners51¢ → 100¢ | $5,840 | +$5,611 +96% | 6 |
| 154d | Icky-Yogurt | Seattle Mariners vs. Kansas City Royals | BuyKansas City Royals49¢ → 0¢ | $5,537 | −$5,537 −100% | 4 |
| 154d |  mooseborzoi | Seattle Mariners vs. Kansas City Royals | BuySeattle Mariners52¢ → 100¢ | $1,682 | +$1,553 +92% | 4 |
| 154d | mlbman | Seattle Mariners vs. Kansas City Royals | BuySeattle Mariners52¢ → 100¢ | $1,087 | +$1,003 +92% | 4 |
| 154d | cumulus33 | Seattle Mariners vs. Kansas City Royals | BuySeattle Mariners52¢ → 100¢ | $1,820 | +$1,680 +92% | 4 |
| 154d | Herdonia | Seattle Mariners vs. Kansas City Royals | BuySeattle Mariners51¢ → 100¢ | $1,386 | +$1,309 +94% | 4 |
| 154d |  Tokidoki | Seattle Mariners vs. Kansas City Royals | SellKansas City Royals49¢ → 0¢ | $1,152 | +$1,152 +100% | — |
| 154d | Tokidoki | Seattle Mariners vs. Kansas City Royals | BuyKansas City Royals50¢ → 0¢ | $1,164 | −$1,164 −100% | 4 |
| 154d | texaskid | Seattle Mariners vs. Kansas City Royals | BuyKansas City Royals48¢ → 0¢ | $1,337 | −$1,337 −100% | 4 |
| 154d | HomeRunHazard2 fills | Seattle Mariners vs. Kansas City Royals | BuySeattle Mariners53¢ → 100¢ | $3,054 | +$2,708 +89% | 4 |
| 154d |  Kan3214 | Seattle Mariners vs. Kansas City Royals | SellSeattle Mariners52¢ → 100¢ | $3,120 | −$2,880 −92% | — |
| 154d | StarkFrost5345 | Seattle Mariners vs. Kansas City Royals | BuySeattle Mariners53¢ → 100¢ | $3,400 | +$3,015 +89% | 4 |
| 154d | Talvez102 fills | Seattle Mariners vs. Kansas City Royals | BuyKansas City Royals47¢ → 0¢ | $25,287 | −$25,287 −100% | 4 |
| 154d | Lenswalle | Seattle Mariners vs. Kansas City Royals | SellSeattle Mariners54¢ → 100¢ | $2,800 | −$2,364 −84% | — |
| 154d | 0x5d1d…afd2 | Seattle Mariners vs. Kansas City Royals | BuyKansas City Royals45¢ → 0¢ | $4,920 | −$4,920 −100% | 4 |
| 154d | 0x86fb…03d4 | Seattle Mariners vs. Kansas City Royals | BuyKansas City Royals45¢ → 0¢ | $2,500 | −$2,500 −100% | 4 |
| 154d | LaBradfordSmith22 | Seattle Mariners vs. Kansas City Royals | BuyKansas City Royals44¢ → 0¢ | $4,920 | −$4,920 −100% | 4 |
| 154d | 0x3625…1187 | Seattle Mariners vs. Kansas City Royals | BuySeattle Mariners57¢ → 100¢ | $3,000 | +$2,263 +75% | 4 |
In the upcoming MLB game between the Seattle Mariners and Kansas City Royals, scheduled for May 22 at 7:40PM ET: This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game. This market will resolve to "Kansas City Royals" if the Kansas City Royals 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 Seattle Mariners vs. Kansas City Royals means the market gives it about 100%.