Event

Arizona Diamondbacks vs. Kansas City Royals

7 signals across 3 markets · $69,734 tracked · resolves Sep 16, 2026

See prediction-market odds for the Arizona Diamondbacks vs. Kansas City Royals, including the game winner and Diamondbacks -1.5 spread markets. PolySpotter tracks $8,225 in smart-money activity across the event, including a three-wallet Diamondbacks betting cluster and a perfect-record bettor adding to Arizona.

ARI
2
78-69
Final
KC
5
65-82
ARI -115KC -105O/U 9
Venue
Kauffman Stadium, Kansas City
Attendance
15,369

Markets (3)

  1. Arizona Diamondbacks vs. Kansas City Royals4 signals · $61,535 tracked
  2. Arizona Diamondbacks vs. Kansas City Royals: O/U 8.52 signals · $6,200 tracked
  3. Spread: Arizona Diamondbacks (-1.5)1 signal · $2,000 tracked

Top trades across all markets

  1. 96% bettor joins D-backs cluster

    A high-performing bettor joined a $35.8K coordinated Arizona position amid a 312x volume spike, though the trade is weakened by existing losing positions and a sharp subsequent price decline.

    $35,814Score: 7.1
  2. Massive pre-event volume surge

    A major pre-event volume surge and a highly active profitable trader provide a meaningful directional signal toward Kansas City, despite the wallet's only moderate win rate.

    $1,863Wallet win rate: 56%Score: 5.7
  3. 93% winner scaling into Over

    A highly profitable serial sports trader with a 93% win rate is adding $5,000 to an existing Over position despite the market being near 50/50.

    $5,000Wallet win rate: 93%Score: 5.6
  4. 94% win-rate bettor backs Arizona

    An exceptionally profitable sports bettor with a 94% win rate and $4.7 million in lifetime profit made a concentrated $20,800 bet on Arizona at 52%.

    $20,800Wallet win rate: 94%Score: 5.4
  5. Perfect-record bettor adds to Arizona

    A proven 22-0 sports bettor with a substantial edge is adding to an Arizona spread position at 41 cents.

    $2,000Wallet win rate: 100%Score: 5.4
  6. 84% win-rate sports sharp buys Under

    A highly profitable sports bettor with an 84% win rate and substantial edge made a fresh $1,200 Under bet, despite the market now pricing Under at only 58%.

    $1,200Wallet win rate: 85%Score: 4.7
  7. Profitable serial trader buys Royals

    A highly experienced and profitable serial trader bought $3,058 of Kansas City at 88¢ before the price rose to 96¢.

    $3,058Wallet win rate: 66%Score: 3.4

Top wallets in this event

  1. 0x16bb998492$20,800 · 1 market · 1 alert · 94% wins
  2. 0x78b0099f1a$5,000 · 1 market · 1 alert · 93% wins
  3. 0x224a89a3d5$3,058 · 1 market · 1 alert · 66% wins
  4. 0x2b3441176e$2,000 · 1 market · 1 alert · 100% wins
  5. 0x4f29e17a7e$1,863 · 1 market · 1 alert · 56% wins
  6. 0xbbf379aa3a$1,200 · 1 market · 1 alert · 85% wins

More on this event

FAQs

What are the Diamondbacks vs. Royals prediction-market odds?

This event includes Polymarket markets for the game winner and the Diamondbacks -1.5 spread. Check the live market prices on this page for the latest implied odds.

What is smart money betting on in the Diamondbacks vs. Royals game?

PolySpotter has tracked $8,225 across two smart-money signals. Recent alerts include a three-wallet Diamondbacks betting cluster and a perfect-record bettor adding to Arizona.

Which Diamondbacks vs. Royals markets are available?

The event covers two child markets: Arizona Diamondbacks vs. Kansas City Royals, and the Diamondbacks -1.5 spread. Together, they show both the expected winner and the potential margin of victory.

When will the Diamondbacks vs. Royals market resolve?

The market is scheduled around the September 9 MLB game at 7:40 PM ET and remains open if the game is postponed until it is completed. If the game is canceled without a makeup game or ends in a tie, the market rules provide for a 50-50 resolution.