Part of: Baltimore Orioles vs. Boston Red Sox

Baltimore Orioles vs. Boston Red Sox: O/U 8.5

In the upcoming MLB game between the Baltimore Orioles and Boston Red Sox, scheduled for July 21 at 7:10 PM ET: This market will resolve to "Over" if the Baltimore Orioles and Boston Red Sox combine to score 9 or more runs in this game. If the combined total is less than 9, 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.

2 smart money signals detected, totaling $25,482.

Categories: Sports, Games, MLB, baseball

Notable Trades

Sharp bettor leads coordinated Over buying

Four wallets committed nearly $22,000 to Over, including a highly profitable bettor with an 81% win rate, though the opportunity has already resolved.

  • A bettor with an 81% win rate and $1.09 million in profit bought Over at 60¢.
  • Four wallets aligned on Over with nearly $22,000 committed, including a large Under sale equivalent to buying Over.
  • The market moved from roughly 52–60¢ to 100%, so this is more useful as a successful trade study than a live entry.

$21,998 on Over

Profitable serial sports trader

A highly experienced and profitable serial trader is making a fresh $3,484 Over bet at 48%, with a 63% win rate across 3,790 resolved markets.

  • This bettor has won 63% of 3,790 resolved trades and is up $1.27 million lifetime.
  • The fresh $3,484 Over position is meaningful relative to the market’s $14,422 trading volume.
  • Buying at 48¢ suggests the trader sees Over as meaningfully underpriced near a balanced market.

$3,484 on Over | Wallet win rate: 67%

Top Holders

  1. 0xdb83...1e50 — Under, $2,771 (65% win rate)
  2. 0xfe78...0319 — Under, $1,805 (64% win rate)
  3. 0xa3c2...df3d — Under, $1,162
  4. 0x75b1...e2e8 — Under, $943 (64% win rate)
  5. 0x228b...af4c — Under, $910
  6. 0xba62...3e29 — Under, $721
  7. 0x5811...0976 — Under, $585 (45% win rate)
  8. 0x9ab3...3044 — Under, $400
  9. 0xfb0c...8c72 — Under, $325 (77% win rate)
  10. 0xa032...2090 — Under, $325 (71% win rate)

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Baltimore Orioles vs. Boston Red Sox: O/U 8.5

Baltimore Orioles vs. Boston Red Sox$25,482 tracked2 signalsSportsGamesMLBbaseball
Over
100¢
Under
0¢

In the upcoming MLB game between the Baltimore Orioles and Boston Red Sox, scheduled for July 21 at 7:10 PM ET: This market will resolve to "Over" if the Baltimore Orioles and Boston Red Sox combine to score 9 or more runs in this game. If the combined total is less than 9, 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.

BAL
0
79-82
Final
BOS
0
87-75
BAL -107BOS -112O/U 8.5Polymarket: 100¢
Venue
Fenway Park, Boston

Notable Trades

Baltimore Orioles vs. Boston Red Sox: O/U 8.5

2026-07-23 10:29 UTC

$21,998 on Over at 54¢

54¢→100¢↑46¢

Baltimore Orioles vs. Boston Red Sox: O/U 8.5

2026-07-21 12:57 UTC

$3,484 on Over at 48¢

48¢→100¢↑52¢

Related Theses