Chicago Cubs vs. Arizona Diamondbacks
7 signals across 2 markets · $165,711 tracked · resolves Sep 2, 2026
Follow Chicago Cubs vs. Arizona Diamondbacks prediction-market odds for the game winner and the over/under 8.5 total runs. PolySpotter is tracking $1,196 in smart money, including a 94% win-rate bettor buying the Under.
Markets (2)
Top trades across all markets
- 97% bettor doubles down on Arizona
A highly profitable 97% bettor added heavily to Arizona alongside two other wallets despite the market moving sharply toward Chicago.
$83,469Score: 8.9 - Sharp bettor leads Cubs buying cluster
A coordinated $50,000 Cubs buying burst included a highly profitable 95% win-rate bettor and preceded a 32-point market jump, though some wallets had existing positions.
$50,166Score: 8.5 - 94% win-rate bettor buys Cubs
A highly profitable bettor with a 94% win rate and $7.4 million in lifetime profit placed a concentrated $24,500 bet on Chicago at 47¢ amid a sharp volume spike.
$24,500Wallet win rate: 93%Score: 6.1 - 99% winner backs Arizona
A highly profitable serial bettor with a 99% win rate is buying Arizona at 54% amid an extreme pre-event volume spike.
$1,218Wallet win rate: 99%Score: 5.9 - 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%.
$1,196Wallet win rate: 94%Score: 5.4 - 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.
$3,148Wallet win rate: 78%Score: 4.7 - Profitable serial sports trader buys Arizona
A highly experienced, profitable serial trader bought Arizona at 54¢ during an extreme pre-event volume spike, making this a credible sports position worth tracking.
$2,012Wallet win rate: 66%Score: 4.2
Top wallets in this event
- 0xcd65c3…ee96$24,500 · 1 market · 1 alert · 93% wins
- 0xe65b96…271b$3,148 · 1 market · 1 alert · 78% wins
- 0x224a89…a3d5$2,012 · 1 market · 1 alert · 66% wins
- 0xc3c3b3…eec8$1,218 · 1 market · 1 alert · 99% wins
- 0x16bb99…8492$1,196 · 1 market · 1 alert · 94% wins
FAQs
What are the Cubs vs. Diamondbacks prediction-market odds?
The page tracks live Polymarket odds for the Cubs-Diamondbacks game, including the winner and whether the combined score goes over or under 8.5 runs.
What is smart money betting on in Cubs vs. Diamondbacks?
PolySpotter has tracked $1,196 in smart money across the event. The latest signal is from a bettor with a reported 94% win rate buying the Under 8.5 total runs market.
What markets are available for Cubs vs. Diamondbacks?
The event includes outcomes for a Chicago Cubs win or Arizona Diamondbacks win, along with a child market for the game's over/under 8.5 total runs.
When does the Cubs vs. Diamondbacks market resolve?
The market resolves after the game is completed. If the game is postponed, it stays open until the makeup game is played; if it is canceled without a makeup game or ends in a tie, it resolves 50-50.