Part of: Chicago Cubs vs. Arizona Diamondbacks

Chicago Cubs vs. Arizona Diamondbacks: O/U 8.5

In the upcoming MLB game between the Chicago Cubs and Arizona Diamondbacks, scheduled for August 25 at 9:40 PM ET: This market will resolve to "Over" if the Chicago Cubs and Arizona Diamondbacks 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.

3 smart money signals detected, totaling $46,449.

Categories: Sports, Games, MLB, baseball

Notable Trades

Sharp bettor adds to Under

A proven bettor with a 76% win rate and meaningful edge is adding to an existing Under position in a liquid MLB totals market.

  • This bettor wins 76% of 403 resolved trades and is up $46,604 lifetime.
  • They added $3,148 to Under at 63¢ while already holding $5,926, showing increased conviction.
  • Under has since risen to 72%, suggesting the market move supports the position.

$3,148 on Under | Wallet win rate: 79%

Three-wallet Under surge

Three wallets deployed $42,104 on Under in a dramatic pre-event volume spike, led by profitable serial traders despite only modest historical edge.

  • Three wallets bought Under for $42,104, more than three times the market’s reported 24-hour volume.
  • The trading burst was an extreme increase over historical activity, signaling concentrated conviction before the game.
  • The largest wallet is up $43.1 million lifetime, while the other two have substantial profitable trading histories.

$42,104 on Under

94% win-rate bettor buys Under

A highly proven bettor with a 94% win rate and substantial positive edge is taking a fresh Under position at 54%.

  • This bettor has won 94% of 516 resolved trades and is up $4.13 million.
  • The wallet is entering Under at 54%, despite the market currently pricing it as only a modest favorite.
  • The $1,196 trade is meaningful in a market with just $58 of 24-hour volume, adding conviction to the position.

$1,196 on Under | Wallet win rate: 95%

Related Theses

Dodgers beat Braves in high-scoring game

Covers 3 related markets

Marlins win, runs stay low

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Yankees win in a high-scoring game

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Tigers win a high-scoring game

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Brewers win in a high-scoring game

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Diamondbacks win in a low-scoring game

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Tigers win a low-scoring game

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Panthers keep it close

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NATO and Russia avoid clash

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Rays win, total not eight

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Chicago Cubs vs. Arizona Diamondbacks: O/U 8.5

Chicago Cubs vs. Arizona Diamondbacks$46,449 tracked3 signalsSportsGamesMLBbaseball
Over
100¢
Under
0¢

In the upcoming MLB game between the Chicago Cubs and Arizona Diamondbacks, scheduled for August 25 at 9:40 PM ET: This market will resolve to "Over" if the Chicago Cubs and Arizona Diamondbacks 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.

CHC
4
76-57
Final
ARI
5
70-63
CHC -104ARI -103O/U 8.5Polymarket: 100¢
Venue
Chase Field, Phoenix
Attendance
28,215

Notable Trades

Chicago Cubs vs. Arizona Diamondbacks: O/U 8.5

2026-08-26 02:13 UTC

$3,148 on Under at 63¢

Chicago Cubs vs. Arizona Diamondbacks: O/U 8.5

2026-08-25 16:09 UTC

$42,104 on Under at 51¢

Chicago Cubs vs. Arizona Diamondbacks: O/U 8.5

2026-08-25 13:02 UTC

$1,196 on Under at 54¢

Related Theses

Dodgers beat Braves in high-scoring game
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Los Angeles Dodgers vs. Atlant…Los Angeles Dodgers vs. Atlant…Los Angeles Dodgers vs. Atlant…
Marlins win, runs stay low
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Miami Marlins vs. Cincinnati R…Miami Marlins vs. Cincinnati R…Miami Marlins vs. Cincinnati R…
Yankees win in a high-scoring game
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Will there be a run scored in …Seattle Mariners vs. New York …Seattle Mariners vs. New York …
Tigers win a high-scoring game
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Brewers win in a high-scoring game
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Atlanta Braves vs. Milwaukee B…Atlanta Braves vs. Milwaukee B…Atlanta Braves vs. Milwaukee B…
Diamondbacks win in a low-scoring game
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Cincinnati Reds vs. Arizona Di…Cincinnati Reds vs. Arizona Di…Spread: Arizona Diamondbacks (…
Tigers win a low-scoring game
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Spread: Cleveland Guardians (-…Detroit Tigers vs. Cleveland G…Detroit Tigers vs. Cleveland G…
Panthers keep it close
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Spread: Bears (-4.5)Spread: Bears (-2.5)Spread: Bears (-3.5)
NATO and Russia avoid clash
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NATO x Russia military clash b…NATO x Russia military clash b…NATO x Russia military clash b…
Rays win, total not eight
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