Kansas City Royals vs. Seattle Mariners
7 signals across 1 market · $37,272 tracked · resolves May 10, 2026
The Kansas City Royals vs. Seattle Mariners prediction market tracks which team will win their MLB matchup, with outcomes trading on both the Royals and Mariners. PolySpotter has flagged $37,272 in smart money activity across 7 signals, including a sharp sports cluster, a profitable new whale on the Mariners, and an 82% winner buying the underdog.
Markets (1)
Top trades across all markets
- 5-wallet sharp sports cluster
Strong coordinated sports flow: 5 wallets bought Seattle, including multiple highly profitable sharp wallets and a repeat new-wallet large bettor already up significantly.
$16,043Score: 12.8 - Profitable new whale on Mariners
A 4-day-old repeat whale with $35k early profit added $9.5k on Seattle amid a major pre-game volume spike.
$9,500Wallet win rate: 100%Score: 8.6 - Perfect-record sports bettor
Surface: this is a proven sports bettor with a perfect 63-0 resolved record and strong cross-market history buying Seattle in an MLB market.
$1,183Wallet win rate: 99%Score: 8.0 - 82% winner buying underdog
Sharp sports bettor with an 82% win rate and $404k profit is buying Kansas City Royals at 43¢.
$5,265Wallet win rate: 94%Score: 8.0 - New wallet up $478K
Profitable repeat new-wallet bettor with $478K P&L is buying Seattle at 57¢, though the individual trade size is modest versus market liquidity.
$3,000Wallet win rate: 97%Score: 6.0 - 71% winner backs underdog
A highly profitable serial cross-market trader with a 71% resolved win rate and $2.8M lifetime profit bought the Royals as an underdog, though the bet size is modest and price has moved against them.
$1,280Wallet win rate: 67%Score: 5.3 - 72% serial sports bettor
Profitable high-sample sports bettor bought Mariners at 79¢ and the market has already moved to 86¢.
$1,000Wallet win rate: 75%Score: 4.0
Top wallets in this event
- 0x78c5ea…fb0f$9,500 · 1 market · 1 alert · 100% wins
- 0x16bb99…8492$5,265 · 1 market · 1 alert · 94% wins
- 0xbd14b6…d62a$3,000 · 1 market · 1 alert · 97% wins
- 0x32ed51…f960$1,280 · 1 market · 1 alert · 67% wins
- 0x09af20…9728$1,183 · 1 market · 1 alert · 99% wins
- 0xf405d5…9df2$1,000 · 1 market · 1 alert · 75% wins
FAQs
What are the Royals vs Mariners prediction market odds?
This event tracks market-implied odds for the Kansas City Royals vs. Seattle Mariners game, with prices moving as traders buy either team to win. PolySpotter highlights both the live odds and notable smart money activity behind those moves.
What is the smart money doing on Royals vs Mariners?
PolySpotter has tracked $37,272 in smart money across 7 signals for this event. Recent alerts include a 5-wallet sharp sports cluster, a profitable new whale backing the Mariners, and an 82% winner buying the underdog.
Are sharp bettors backing the Mariners or Royals?
Recent signals show notable activity around the Mariners, including a profitable new whale on Seattle. At the same time, PolySpotter also flagged an 82% winner buying the underdog, so the sharp action may not be one-sided.
When does the Royals vs Mariners market resolve?
The market resolves after the Kansas City Royals vs. Seattle Mariners game is completed. If the game is postponed, the market remains open until it is played; if it is canceled with no make-up game or ends in a tie, it resolves 50-50.
How does this Polymarket event work?
This event covers the MLB game winner market for Royals vs Mariners. It resolves to Kansas City Royals if the Royals win, to Seattle Mariners if the Mariners win, and 50-50 only in the event of a canceled game with no make-up or a tie.