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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| O/U 9.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Seattle Mariners vs. Athletics | 100% | +39 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| O/U 10.5 | 100% | +57 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| O/U 15.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| O/U 8.5 | 100% | +40 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Spread -1.5 | 0% | −24 pts | — | — · <1¢ | — | ended |
| Spread -1.5 | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| O/U 13.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| O/U 11.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| O/U 12.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Spread -2.5 | 100% | +61 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| O/U 14.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| NRFI | 100% | +50 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Extra Innings | 0% | −48 pts | — | — · <1¢ | — | ended |
| 1st 5 Innings O/U 5.5 | 100% | +56 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Spread -6.5 | 100% | — | — | 100¢ · 100¢ (1¢) | — | ended |
| O/U 19.5 | 100% | — | — | 99¢ · 100¢ (1¢) | — | ended |
| O/U 20.5 | 0% | — | — | — · 1¢ | — | ended |
| Spread -3.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Spread -2.5 | 0% | −17 pts | — | — · <1¢ | — | ended |
| O/U 17.5 | 100% | — | — | 99¢ · 100¢ (1¢) | — | ended |
| 1st 5 Innings O/U 2.5 | 100% | +19 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| Spread -9.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| O/U 16.5 | 100% | — | — | 99¢ · 100¢ (1¢) | — | ended |
| O/U 21.5 | 0% | — | — | — · 1¢ | — | ended |
| O/U 23.5 | 0% | — | — | — · 1¢ | — | ended |
| Spread -4.5 | 100% | — | — | 99¢ · 100¢ (1¢) | — | ended |
| Spread -8.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| 1st 5 Innings Spread -1.5 | 100% | +60 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| 1st 5 Innings O/U 4.5 | 100% | +43 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| 1st 5 Innings Spread -1.5 | 0% | −23 pts | — | — · <1¢ | — | ended |
| 1st 5 Innings O/U 3.5 | 100% | +33 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| 1st 5 Innings O/U 6.5 | 100% | +66 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Spread -5.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Spread -7.5 | 100% | — | — | 99¢ · 100¢ (1¢) | — | ended |
| O/U 18.5 | 100% | — | — | 99¢ · 100¢ (1¢) | — | ended |
| O/U 22.5 | 0% | — | — | — · 1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 41d | Generous-Burning | O/U 15.5 | BuyUnder57¢ → 0¢ | $5,000 | −$5,000 −100% | 4 |
| 41d | Ohtani-Wife | Seattle Mariners vs. Athletics | BuySeattle Mariners>99¢ | $8,041 | +$8 +0.1% | 4 |
| 41d | MagicSeaDog | O/U 15.5 | BuyUnder55¢ → 0¢ | $1,526 | −$1,526 −100% | 4 |
| 41d | shyu5000 | Seattle Mariners vs. Athletics | BuySeattle Mariners>99¢ | $1,178 | +$2 +0.2% | 4 |
| 41d | Clawbangers | Seattle Mariners vs. Athletics | BuySeattle Mariners99¢ → 100¢ | $1,100 | +$11 +1.0% | 4 |
| 41d | Favorable-Pepper-Brushing | Seattle Mariners vs. Athletics | BuySeattle Mariners98¢ → 100¢ | $1,485 | +$23 +1.5% | 4 |
| 41d | MagicSeaDog | O/U 14.5 | BuyUnder50¢ → 0¢ | $1,990 | −$1,990 −100% | 4 |
| 41d | justaluckydude | Seattle Mariners vs. Athletics | BuySeattle Mariners96¢ → 100¢ | $1,998 | +$83 +4.2% | 4 |
| 41d |  CryptoGDM | Seattle Mariners vs. Athletics | BuySeattle Mariners95¢ → 100¢ | $1,417 | +$75 +5.3% | 4 |
| 41d | 0x4f2 | Seattle Mariners vs. Athletics | BuySeattle Mariners95¢ → 100¢ | $3,188 | +$161 +5.0% | 4 |
| 41d | curie | O/U 12.5 | BuyOver41¢ → 100¢ | $1,081 | +$1,556 +144% | 4 |
| 41d | bluemol | Seattle Mariners vs. Athletics | BuySeattle Mariners91¢ → 100¢ | $1,495 | +$148 +9.9% | 5 |
| 41d | 0x4f2 | Seattle Mariners vs. Athletics | BuyAthletics30¢ → 0¢ | $2,067 | −$2,067 −100% | 6 |
| 41d | 0x4f2 | O/U 8.5 | BuyOver76¢ → 100¢ | $1,090 | +$349 +32% | 4 |
| 41d | Generous-Burning | O/U 10.5 | BuyOver55¢ → 100¢ | $5,000 | +$4,091 +82% | 4 |
| 41d | PETE7 | Spread -1.5 | BuyAthletics27¢ → 0¢ | $1,350 | −$1,350 −100% | 14 |
| 41d |  ForAndWithYou | O/U 9.5 | BuyUnder51¢ → 0¢ | $1,103 | −$1,103 −100% | 14 |
| 41d | muska | O/U 9.5 | BuyUnder51¢ → 0¢ | $1,572 | −$1,572 −100% | 14 |
| 41d |  nigiri99 | Seattle Mariners vs. Athletics | BuyAthletics41¢ → 0¢ | $1,172 | −$1,172 −100% | 4 |
| 41d | suntori | Seattle Mariners vs. Athletics | BuyAthletics41¢ → 0¢ | $1,417 | −$1,417 −100% | 4 |
| 41d | Rivsterrr | O/U 9.5 | BuyUnder51¢ → 0¢ | $1,600 | −$1,600 −100% | 14 |
| 41d | Rivsterrr | O/U 10.5 | BuyUnder59¢ → 0¢ | $2,500 | −$2,500 −100% | 14 |
| 41d | lonzoball | NRFI | BuyNo50¢ → 0¢ | $1,620 | −$1,620 −100% | 4 |
| 41d | nigiri99 | Spread -1.5 | BuyAthletics53¢ → 0¢ | $1,577 | −$1,577 −100% | 14 |
| 41d | Dragua9 | O/U 9.5 | BuyOver50¢ → 100¢ | $3,000 | +$3,000 +100% | 14 |
| 41d | BrotherObama5 fills | O/U 9.5 | BuyOver50¢ → 100¢ | $167,325 | +$168K +100% | 14 |
| 41d | ferrariChampions2026 | Seattle Mariners vs. Athletics | BuyAthletics41¢ → 0¢ | $3,192 | −$3,192 −100% | 4 |
| 41d | ForMyFamily1 | Seattle Mariners vs. Athletics | BuySeattle Mariners60¢ → 100¢ | $2,000 | +$1,333 +67% | 4 |
| 41d | Jarod21 | O/U 9.5 | BuyUnder52¢ → 0¢ | $1,223 | −$1,223 −100% | 14 |
| 41d | Talvez10 | O/U 9.5 | BuyUnder51¢ → 0¢ | $6,017 | −$6,017 −100% | 14 |
| 41d | MAGATheeStallion | Seattle Mariners vs. Athletics | BuyAthletics40¢ → 0¢ | $2,000 | −$2,000 −100% | 4 |
| 41d | pleaseplease123 | Seattle Mariners vs. Athletics | BuyAthletics39¢ → 0¢ | $3,241 | −$3,241 −100% | 4 |
| 42d | ferrariChampions2026 | Seattle Mariners vs. Athletics | BuySeattle Mariners61¢ → 100¢ | $1,819 | +$1,163 +64% | 4 |
| 42d | HomeRunHazard | O/U 9.5 | BuyUnder51¢ → 0¢ | $1,508 | −$1,508 −100% | 12 |
| 42d | HomeRunHazard | O/U 8.5 | BuyUnder40¢ → 0¢ | $1,182 | −$1,182 −100% | 12 |
Outsid3rTrading8,000 shares
no1dodgersfan5,883 sharesForAndWithYou4,944 sharesIn the upcoming MLB game between the Seattle Mariners and Athletics, scheduled for September 12 at 9:40PM ET: This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game. This market will resolve to "Athletics" if the Athletics 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 O/U 9.5 means the market gives it about 100%.