Part of: Baltimore Orioles vs. Boston Red Sox

Baltimore Orioles vs. Boston Red Sox

This Polymarket prediction market covers the July 21, 2026 MLB game between the Baltimore Orioles and Boston Red Sox, scheduled for 7:10 PM ET. The market has tracked $95,881 in smart-money activity across three signals, including coordinated buying activity on both teams; it resolves after the game is completed, or 50-50 if the game is canceled without a make-up or ends in a tie.

15 smart money signals detected, totaling $281,621.

Categories: Sports, Games, MLB, baseball

Notable Trades

Sharp bettors coordinated on Boston

A coordinated $92.8K Boston position includes multiple highly profitable bettors, led by a 94% winner buying at 56–57 cents.

  • A bettor with a 94% win rate across 320 resolved positions bought $37,188 of Boston at 56–57¢.
  • Multiple profitable wallets joined the Boston position, creating an 11-wallet, $92,758 one-sided cluster.
  • Boston surged 33 percentage points after the concentrated buying, corroborating the group’s strong directional conviction.

$92,758 on Boston Red Sox

Eight-wallet Orioles buying cluster

Eight wallets placed $85.8K on Baltimore, creating a strong coordinated directional signal despite this wallet’s trade being routine profit-taking from a prior Boston position.

  • Eight wallets are buying Baltimore for a combined $85,793, a strong one-sided signal in a liquid MLB market.
  • This wallet is less informative individually because it sold a previously held Boston position, but it is a repeat new-wallet bettor with $27,985 in flagged activity.
  • The equivalent Orioles entry is 17¢, implying substantial upside if the coordinated buying thesis is correct.

$2,122 on Baltimore Orioles | Wallet win rate: 100%

27-0 sharp in coordinated Orioles buy

A proven 27-0 bettor added to an Orioles position while eight wallets committed $85,793 to the same outcome, though the market price has since collapsed to zero.

  • This bettor has won all 27 resolved positions, earning $12,362 on $74,257 invested.
  • Eight wallets bought Baltimore for a combined $85,793, signaling unusually concentrated conviction.
  • The bettor added at 40¢, but the displayed price has since fallen to 0¢, so the market status should be verified before copying.

$1,000 on Baltimore Orioles | Wallet win rate: 100%

Sharp bettor scaling into Orioles

A highly profitable serial trader with an 88% win rate and substantial edge is adding $5,780 to an existing Orioles position at 40%.

  • This bettor wins 88% of resolved trades and is up $193,133 lifetime.
  • They are adding $5,780 to an existing Orioles position despite the market pricing Baltimore at just 40%.
  • The wallet has traded 70 markets across 67 events, indicating a broad and repeatable track record rather than a one-off bet.

$5,780 on Baltimore Orioles | Wallet win rate: 88%

93% win-rate serial bettor fades Boston

A highly profitable serial bettor with a 93% win rate and substantial demonstrated edge is taking a large position against Boston.

  • This bettor wins 93% of 258 resolved positions and is up $11.3M lifetime.
  • They sold $51,522 of Boston at 59¢, equivalent to buying Baltimore around 41¢.
  • The market is liquid with a tight 1¢ spread, while Baltimore has recently drifted down 9.5% over a week.

$51,522 on Baltimore Orioles | Wallet win rate: 93%

93% winner backs Baltimore

A highly profitable serial sports bettor with a 93% win rate and substantial edge is taking a large contrarian position on Baltimore at roughly 41%.

  • This bettor has won 93% of 258 resolved positions and is up $11.3 million.
  • A $35,690 trade converts to buying Baltimore around 41%, against the market’s 60% Boston pricing.
  • The wallet has traded across 342 events and 429 markets, suggesting a broad, repeatable betting process rather than a one-off wager.

$35,690 on Baltimore Orioles | Wallet win rate: 93%

91% win-rate serial bettor

A highly proven bettor with a 91% win rate and substantial edge placed a fresh $2,500 position on Boston at 58%.

  • This bettor has won 91% of 195 resolved positions and is up $277,832.
  • Their average entry is 52%, making this 58¢ Boston position consistent with a proven edge rather than a routine favorite purchase.
  • The $2,500 bet supports Boston despite the market pricing them near 57%, signaling fresh conviction in a liquid sports market.

$2,457 on Boston Red Sox | Wallet win rate: 91%

91% win-rate serial bettor

A highly proven bettor with a 91% win rate and substantial edge placed a fresh $2,500 position on Boston at 58%.

  • This bettor has won 91% of 195 resolved positions and is up $277,832.
  • Their average entry is 52%, making this 58¢ Boston position consistent with a proven edge rather than a routine favorite purchase.
  • The $2,500 bet supports Boston despite the market pricing them near 57%, signaling fresh conviction in a liquid sports market.

$2,500 on Boston Red Sox | Wallet win rate: 91%

94% winner adds to Boston position

A highly proven bettor with a 94% win rate and substantial edge is adding $22.7K to an existing Boston position at 56%.

  • This bettor has won 94% of 318 resolved trades and is up $2.0M lifetime.
  • They are adding $22,698 to Boston at 56%, reinforcing an existing $40,533 position.
  • The bettor’s average winning entry is 51%, making this 56% price notably consistent with their historically profitable approach.

$14,490 on Boston Red Sox | Wallet win rate: 93%

94% winner adds to Boston position

A highly proven bettor with a 94% win rate and substantial edge is adding $22.7K to an existing Boston position at 56%.

  • This bettor has won 94% of 318 resolved trades and is up $2.0M lifetime.
  • They are adding $22,698 to Boston at 56%, reinforcing an existing $40,533 position.
  • The bettor’s average winning entry is 51%, making this 56% price notably consistent with their historically profitable approach.

$22,698 on Boston Red Sox | Wallet win rate: 93%

Top Holders

  1. 0x224a...a3d5 Outcome 10197680, $55,567 (64% win rate)
  2. 0xc3c3...eec8 Outcome 10197680, $37,500 (99% win rate)
  3. 0x4f29...7a7e Outcome 10197680, $37,498 (55% win rate)
  4. 0xf4e1...34a5 Outcome 10197680, $14,449 (88% win rate)
  5. 0x6f1b...f28a Outcome 10197680, $10,261 (100% win rate)
  6. 0xa804...2a75 Outcome 10197680, $9,086 (65% win rate)
  7. 0x9c76...c926 Outcome 10197680, $7,500 (91% win rate)
  8. 0x8f3c...2f57 Outcome 10197680, $5,376 (39% win rate)
  9. 0x1b8f...cca7 Outcome 10197680, $5,000 (63% win rate)
  10. 0x6451...b57a Outcome 10197680, $2,500 (100% win rate)

Related Theses

Knicks Cavaliers stay under

Covers 4 related markets

Canadiens win high-scoring game

Covers 3 related markets

Rockies Athletics stay low scoring

Covers 4 related markets

Tempo-Dream stays under 178

Covers 3 related markets

Sparks-Tempo stays under

Covers 3 related markets

Marlins win low-scoring game

Covers 3 related markets

Storm-Dream stays low scoring

Covers 3 related markets

Cardinals Twins low-scoring game

Covers 3 related markets

Brazil or Germany, not Argentina

Covers 3 related markets

Rays win, total not eight

Covers 3 related markets

Baltimore Orioles vs. Boston Red Sox

6hBaltimore Orioles vs. Boston Red Sox$281,621 tracked15 signalsSportsGamesMLBbaseball

In the upcoming MLB game between the Baltimore Orioles and Boston Red Sox, scheduled for July 21 at 7:10PM ET: This market will resolve to "Baltimore Orioles" if the Baltimore Orioles win the game. This market will resolve to "Boston Red Sox" if the Boston Red Sox 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.

BAL
0
52-55
Final
BOS
0
55-50
BAL -107BOS -112O/U 8.5
Venue
Fenway Park, Boston
Price History — “Boston Red Sox
102¢
75¢
49¢
Alert entriesHigh-conviction

Notable Trades

Baltimore Orioles vs. Boston Red Sox

5d ago

$92,758 on Boston Red Sox at 56¢

Baltimore Orioles vs. Boston Red Sox

5d ago

$2,122 on Baltimore Orioles at 17¢

Baltimore Orioles vs. Boston Red Sox

5d ago

$1,000 on Baltimore Orioles at 40¢

Baltimore Orioles vs. Boston Red Sox

5d ago

$5,780 on Baltimore Orioles at 40¢

Baltimore Orioles vs. Boston Red Sox

5d ago

$51,522 on Baltimore Orioles at 41¢

Baltimore Orioles vs. Boston Red Sox

6d ago

$35,690 on Baltimore Orioles at 41¢

Baltimore Orioles vs. Boston Red Sox

6d ago

$2,457 on Boston Red Sox at 58¢

Baltimore Orioles vs. Boston Red Sox

6d ago

$2,500 on Boston Red Sox at 58¢

Baltimore Orioles vs. Boston Red Sox

6d ago

$14,490 on Boston Red Sox at 56¢

Baltimore Orioles vs. Boston Red Sox

6d ago

$22,698 on Boston Red Sox at 56¢

Baltimore Orioles vs. Boston Red Sox

6d ago

$1,014 on Baltimore Orioles at 49¢

Baltimore Orioles vs. Boston Red Sox

6d ago

$1,020 on Baltimore Orioles at 49¢

Baltimore Orioles vs. Boston Red Sox

6d ago

$6,125 on Baltimore Orioles at 49¢

Baltimore Orioles vs. Boston Red Sox

5d ago

$29,692 on Baltimore Orioles at 47¢

Baltimore Orioles vs. Boston Red Sox

7d ago

$12,753 on Baltimore Orioles at 44¢

Related Theses

Knicks Cavaliers stay under
Wallet_0x4bff3 trades 4 related markets
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Canadiens win high-scoring game
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Hurricanes vs. Canadiens: O/U …Hurricanes vs. CanadiensHurricanes vs. Canadiens: O/U …
Rockies Athletics stay low scoring
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Colorado Rockies vs. Athletics…Colorado Rockies vs. Athletics…Colorado Rockies vs. Athletics…
Tempo-Dream stays under 178
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Sparks-Tempo stays under
Wallet_0x4bff3 trades 3 related markets
Los Angeles Sparks vs. Toronto…Los Angeles Sparks vs. Toronto…Los Angeles Sparks vs. Toronto…
Marlins win low-scoring game
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Miami Marlins vs. Colorado Roc…Miami Marlins vs. Colorado Roc…Miami Marlins vs. Colorado Roc…
Storm-Dream stays low scoring
Wallet_0x4bff3 trades 3 related markets
Seattle Storm vs. Atlanta Drea…Seattle Storm vs. Atlanta Drea…Seattle Storm vs. Atlanta Drea…
Cardinals Twins low-scoring game
Wallet_0x4bff3 trades 3 related markets
St. Louis Cardinals vs. Minnes…St. Louis Cardinals vs. Minnes…St. Louis Cardinals vs. Minnes…
Brazil or Germany, not Argentina
Wallet_0xf4e14 trades 3 related markets
Will Argentina win the 2026 FI…Will Brazil win the 2026 FIFA …Will Germany win the 2026 FIFA…
Rays win, total not eight
Wallet_0x16bb9 trades 3 related markets
Tampa Bay Rays vs. Boston Red …Tampa Bay Rays vs. Boston Red …Tampa Bay Rays vs. Boston Red …