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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| Houston Astros vs. Seattle Mariners | 100% | +57 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| O/U 7.5 | 0% | −49 pts | — | — · <1¢ | — | ended |
| O/U 8.5 | 0% | −42 pts | — | — · <1¢ | — | ended |
| Spread -1.5 | 0% | −39 pts | — | — · <1¢ | — | ended |
| Spread -1.5 | 100% | +69 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| O/U 6.5 | 100% | +38 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| 1st 5 Innings O/U 3.5 | 100% | +40 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Spread -2.5 | 100% | +78 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Spread -4.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| Spread -3.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| NRFI | 100% | +52 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| O/U 9.5 | 0% | — | — | — · <1¢ | — | ended |
| Spread -5.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| 1st 5 Innings O/U 4.5 | 0% | −46 pts | — | <1¢ · 1¢ (1¢) | — | ended |
| 1st 5 Innings Spread -1.5 | 100% | +78 pts | — | 99¢ · 100¢ (1¢) | — | ended |
| Spread -2.5 | 0% | −28 pts | — | — · <1¢ | — | ended |
| O/U 10.5 | 0% | — | — | — · <1¢ | — | ended |
| 1st 5 Innings O/U 6.5 | 0% | −23 pts | — | — · 1¢ | — | ended |
| Spread -6.5 | 100% | — | — | >99¢ · 100¢ (<1¢) | — | ended |
| 1st 5 Innings Spread -1.5 | 0% | −34 pts | — | — · 1¢ | — | ended |
| 1st 5 Innings O/U 2.5 | 100% | +27 pts | — | 100¢ · 100¢ (1¢) | — | ended |
| 1st 5 Innings O/U 5.5 | 0% | −32 pts | — | — · 1¢ | — | ended |
| Extra Innings | 0% | −10 pts | — | — · <1¢ | — | ended |
| Houston Astros O/U 1.5 | 100% | +39 pts | — | 100¢ · 100¢ (1¢) | — | ended |
| Houston Astros O/U 2.5 | 100% | +30 pts | — | 100¢ · 100¢ (1¢) | — | ended |
| Houston Astros O/U 3.5 | 100% | +53 pts | — | 100¢ · 100¢ (1¢) | — | ended |
| Houston Astros O/U 4.5 | 100% | +61 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Houston Astros O/U 5.5 | 100% | +62 pts | — | >99¢ · 100¢ (<1¢) | — | ended |
| Seattle Mariners O/U 1.5 | 0% | −67 pts | — | — · <1¢ | — | ended |
| Seattle Mariners O/U 2.5 | 0% | −51 pts | — | — · 1¢ | — | ended |
| Seattle Mariners O/U 3.5 | 0% | −56 pts | — | — · <1¢ | — | ended |
| Seattle Mariners O/U 4.5 | 0% | −51 pts | — | — · <1¢ | — | ended |
| Seattle Mariners O/U 5.5 | 0% | −50 pts | — | — · <1¢ | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 31d | mercury777 | Spread -1.5 | SellHouston Astros>99¢ | $1,514 | −$2 −0.1% | — |
| 31d | alaskabaked2 fills | Houston Astros vs. Seattle Mariners | SellHouston Astros99¢ → 100¢ | $3,984 | −$49 −1.2% | — |
| 31d | Generous-Burning | O/U 7.5 | SellUnder99¢ → 100¢ | $1,629 | −$16 −1.0% | — |
| 31d | Ohtani-Wife | Houston Astros vs. Seattle Mariners | BuyHouston Astros>99¢ | $1,049 | +$1 +0.1% | 4 |
| 31d |  wowfarm2 fills | Houston Astros vs. Seattle Mariners | BuyHouston Astros98¢ → 100¢ | $7,594 | +$148 +2.0% | 4 |
| 31d |  Lawsuitevidencaugust2026 | Houston Astros vs. Seattle Mariners | SellHouston Astros97¢ → 100¢ | $1,545 | −$49 −3.2% | — |
| 31d | 0F623 fills | Houston Astros vs. Seattle Mariners | BuyHouston Astros95¢ → 100¢ | $5,437 | +$314 +5.8% | 4 |
| 31d | HomeRunHazard5 fills | Houston Astros vs. Seattle Mariners | BuyHouston Astros67¢ → 100¢ | $19,355 | +$9,643 +50% | 4 |
| 31d | dabossrealman6 fills | Houston Astros vs. Seattle Mariners | BuyHouston Astros74¢ → 100¢ | $15,849 | +$5,438 +34% | 6 |
| 31d | Lawsuitevidencaugust20262 fills | Houston Astros vs. Seattle Mariners | BuyHouston Astros89¢ → 100¢ | $10,440 | +$1,310 +13% | 5 |
| 31d | Flaznorp | Houston Astros vs. Seattle Mariners | BuyHouston Astros88¢ → 100¢ | $1,189 | +$162 +14% | 5 |
| 31d | 0x4f2 | Houston Astros vs. Seattle Mariners | BuyHouston Astros71¢ → 100¢ | $1,499 | +$612 +41% | 6 |
| 31d | alaskabaked | Houston Astros vs. Seattle Mariners | BuyHouston Astros62¢ → 100¢ | $2,500 | +$1,532 +61% | 6 |
| 31d | suntori | Houston Astros vs. Seattle Mariners | SellSeattle Mariners43¢ → 0¢ | $1,793 | +$1,793 +100% | — |
| 31d | Substantial-Service | Houston Astros vs. Seattle Mariners | BuySeattle Mariners32¢ → 0¢ | $4,390 | −$4,390 −100% | 6 |
| 31d | HomeRunHazard | O/U 8.5 | BuyOver41¢ → 0¢ | $3,934 | −$3,934 −100% | 4 |
| 31d | HomeRunHazard | O/U 7.5 | BuyOver49¢ → 0¢ | $4,406 | −$4,406 −100% | 4 |
| 31d | suntori | Houston Astros vs. Seattle Mariners | BuySeattle Mariners46¢ → 0¢ | $1,905 | −$1,905 −100% | 6 |
| 31d |  BIess | Houston Astros vs. Seattle Mariners | BuyHouston Astros55¢ → 100¢ | $3,630 | +$2,970 +82% | 6 |
| 31d | HomeRunHazard | Houston Astros vs. Seattle Mariners | BuySeattle Mariners45¢ → 0¢ | $1,170 | −$1,170 −100% | 6 |
| 31d | justaluckydude | Houston Astros vs. Seattle Mariners | BuySeattle Mariners40¢ → 0¢ | $2,359 | −$2,359 −100% | 6 |
| 31d | 0x4f2 | Houston Astros vs. Seattle Mariners | BuySeattle Mariners39¢ → 0¢ | $4,969 | −$4,969 −100% | 6 |
| 31d |  DoShanna456818 | Houston Astros vs. Seattle Mariners | BuySeattle Mariners55¢ → 0¢ | $2,000 | −$2,000 −100% | 6 |
| 31d |  nigiri99 | 1st 5 Innings O/U 3.5 | BuyUnder47¢ → 0¢ | $3,041 | −$3,041 −100% | 14 |
| 31d |  mooseborzoi2 fills | Houston Astros vs. Seattle Mariners | BuyHouston Astros45¢ → 100¢ | $15,768 | +$19,432 +123% | 4 |
| 31d | Wordy-Littleneck | O/U 7.5 | BuyUnder54¢ → 100¢ | $74,020 | +$63,054 +85% | 14 |
| 31d | nigiri992 fills | O/U 7.5 | BuyUnder54¢ → 100¢ | $20,333 | +$17,321 +85% | 14 |
| 31d | ferrariChampions2026 | O/U 7.5 | BuyUnder54¢ → 100¢ | $8,731 | +$7,438 +85% | 14 |
| 31d | dv-pm | Spread -1.5 | BuyHouston Astros63¢ → 100¢ | $4,739 | +$2,784 +59% | 14 |
| 31d |  SDTrading | O/U 7.5 | BuyUnder54¢ → 100¢ | $13,500 | +$11,500 +85% | 14 |
| 31d | nigiri99 | Houston Astros vs. Seattle Mariners | BuyHouston Astros43¢ → 100¢ | $2,615 | +$3,467 +133% | 4 |
| 31d | Some-Chaise | Houston Astros vs. Seattle Mariners | BuyHouston Astros43¢ → 100¢ | $1,720 | +$2,280 +133% | 4 |
| 31d | MAGATheeStallion | Houston Astros vs. Seattle Mariners | BuyHouston Astros43¢ → 100¢ | $2,000 | +$2,651 +133% | 4 |
| 31d | wr0ngw4yb3tt0r | O/U 7.5 | BuyUnder54¢ → 100¢ | $1,433 | +$1,220 +85% | 12 |
| 31d | HomeRunHazard | O/U 8.5 | BuyUnder60¢ → 100¢ | $1,637 | +$1,092 +67% | 12 |
| 31d | floflo2426 | O/U 7.5 | BuyUnder52¢ → 100¢ | $1,364 | +$1,259 +92% | 12 |
| 31d | MAGATheeStallion | O/U 7.5 | BuyUnder52¢ → 100¢ | $1,999 | +$1,847 +92% | 12 |
| 31d | tomb2456 | O/U 8.5 | BuyUnder59¢ → 100¢ | $2,950 | +$2,050 +69% | 12 |
In the upcoming MLB game between the Houston Astros and Seattle Mariners, scheduled for September 22 at 9:40PM ET: This market will resolve to "Houston Astros" if the Houston Astros 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.
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 Houston Astros vs. Seattle Mariners means the market gives it about 100%.