Part of: Seattle Mariners vs. Washington Nationals

Seattle Mariners vs. Washington Nationals: O/U 9.5

This MLB prediction market covers the Seattle Mariners vs. Washington Nationals total runs line at 9.5. It resolves to Over if the teams combine for 10 or more runs, and Under if they score 9 or fewer; PolySpotter is tracking $4,031 in smart-money activity and 1 signal for this market. The market is scheduled to resolve after the June 12 game, with postponements kept open until completion.

In the upcoming MLB game between the Seattle Mariners and Washington Nationals, scheduled for June 12 at 6:45 PM ET: This market will resolve to "Over" if the Seattle Mariners and Washington Nationals combine to score 10 or more runs in this game. If the combined total is less than 10, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.

3 smart money signals detected, totaling $51,191.

Categories: Sports, Games, MLB, baseball

Notable Trades

83% winner buying Under

Sharp MLB bettor with an 83% record and $432k profit is making a large $31.7k Under bet at near-even odds.

  • This bettor wins 83% of resolved trades and is up $432k lifetime.
  • They put $31.7k on Under at 51¢, a large near-even bet on a liquid MLB total.
  • This wallet has traded across 42 events with nearly $981k in tracked cross-market volume.

$31,710 on Under | Wallet win rate: 83%

93% winner buying MLB over

Sharp sports bettor with a 93% resolved win rate and strong lifetime profit bought $4.0k of Over 9.5 at 47¢.

  • This bettor has won 42 of 45 resolved trades and is up $57.7k lifetime.
  • They bought $4.0k of Over at 47¢, implying a near-even MLB total they think is mispriced.
  • Their past wins came around 52¢ average odds, so the track record is not just from betting heavy favorites.

$4,031 on Over | Wallet win rate: 93%

Profitable sports whale buying Under

A highly profitable, high-volume sports bettor bought $15.5k of Under alongside linked-wallet flow and a sharp pre-game volume spike.

  • This high-volume bettor is up $1.3M across more than 13,000 resolved bets.
  • They bought $15.5k of Under in four rapid fills at 53¢ before first pitch.
  • Two linked wallets have put $17.2k on the same side while pre-game volume spiked.

$15,450 on Under | Wallet win rate: 53%

Top Holders

  1. 0xa710...23c4 Over, $120,479 (54% win rate)
  2. 0x09b5...7e72 Under, $63,329 (83% win rate)
  3. 0x5268...135d Under, $34,547 (53% win rate)
  4. 0x84cf...2f63 Under, $24,381 (50% win rate)
  5. 0x9c3c...e8c9 Over, $10,355 (93% win rate)
  6. 0x5b62...d87f Under, $8,840
  7. 0x224a...a3d5 Over, $2,561 (65% win rate)
  8. 0xa697...59d5 Over, $1,562
  9. 0x7a30...8abd Under, $1,067 (92% win rate)
  10. 0x6553...7a71 Under, $579

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Seattle Mariners vs. Washington Nationals: O/U 9.5

1hSeattle Mariners vs. Washington Nationals$51,191 tracked3 signalsSportsGamesMLBbaseball
Over
50¢
Under
51¢

In the upcoming MLB game between the Seattle Mariners and Washington Nationals, scheduled for June 12 at 6:45 PM ET: This market will resolve to "Over" if the Seattle Mariners and Washington Nationals combine to score 10 or more runs in this game. If the combined total is less than 10, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.

SEA
36-34
WSH
35-34
SEA -148WSH +123O/U 9.5Polymarket: 50¢
Price History — “Under
55¢
52¢
49¢
Alert entriesHigh-conviction

Notable Trades

Seattle Mariners vs. Washington Nationals: O/U 9.5

30m ago

$31,710 on Under at 51¢

51¢51¢

Seattle Mariners vs. Washington Nationals: O/U 9.5

54m ago

$4,031 on Over at 47¢

47¢50¢3¢

Seattle Mariners vs. Washington Nationals: O/U 9.5

1h ago

$15,450 on Under at 53¢

53¢51¢2¢

Related Theses