St. Louis Cardinals vs. Kansas City Royals
8 signals across 6 markets · $72,083 tracked · resolves Jun 25, 2026
The St. Louis Cardinals vs. Kansas City Royals Polymarket event tracks prediction-market odds across the game winner and alternate spread outcomes, including Royals -1.5 and Cardinals -1.5. PolySpotter has tracked more than $51,000 in smart-money activity on this matchup, with recent signals highlighting profitable whales, an underdog lean, and a whale-driven line move.
Markets (6)
- St. Louis Cardinals vs. Kansas City Royals2 signals · $47,535 tracked
- Spread: Kansas City Royals (-1.5)2 signals · $10,214 tracked
- Spread: Kansas City Royals (-3.5)1 signal · $7,859 tracked
- St. Louis Cardinals vs. Kansas City Royals: O/U 9.51 signal · $3,564 tracked
- St. Louis Cardinals vs. Kansas City Royals: O/U 8.51 signal · $1,689 tracked
- Spread: St. Louis Cardinals (-1.5)1 signal · $1,222 tracked
Top trades across all markets
- Profitable whales on underdog
Three high-volume, profitable sports bettors bought the Royals together into a major pre-game volume spike, creating a strong coordinated underdog signal.
$14,110Score: 13.4 - 94% winning sports sharp
Elite sharp wallet with a 94% historical win rate and $142k profit bought Under despite the market moving heavily toward Over.
$1,689Wallet win rate: 95%Score: 9.1 - 47-0 sharp buying underdog spread
A highly profitable 47-0 sports bettor with extensive cross-market history bought the Cardinals +3.5 for $7.9k despite the market moving against them afterward.
$7,859Wallet win rate: 85%Score: 8.0 - Perfect-record sports sharp
Sharp sports wallet with a perfect 47/47 resolved record and $105k profit is buying Cardinals -1.5 after a major odds move.
$1,222Wallet win rate: 85%Score: 8.0 - Profitable serial sports bettor
A highly experienced, profitable sports bettor is taking a multi-market position on this game, including a $1.9k Cardinals spread buy in a very thin market.
$3,564Wallet win rate: 55%Score: 6.0 - Profitable sports whale
A highly profitable, high-volume sports bettor put meaningful size across a quiet Royals/Cardinals event, though the Royals run-line price has moved sharply against their entry.
$6,651Wallet win rate: 55%Score: 5.0 - Profitable sports whale bought early
Profitable high-volume sports trader bought Over at 59¢ before the market surged to 94¢, with supporting cross-market MLB positioning.
$3,564Wallet win rate: 55%Score: 4.5 - Whale-driven line move
A $33k Cardinals buy drove a major pre-game repricing with a large volume spike, though the wallet itself has a weak historical record.
$33,425Wallet win rate: 54%Score: 3.7
Top wallets in this event
- 0x3b2143…a230$33,425 · 1 market · 1 alert · 54% wins
- 0x2005d1…75ea$13,778 · 2 markets · 3 alerts · 55% wins
- 0xde496f…fe85$9,081 · 2 markets · 2 alerts · 85% wins
- 0x9c3ce0…e8c9$1,689 · 1 market · 1 alert · 95% wins
FAQs
What are the Cardinals vs Royals prediction market odds?
This event tracks Polymarket odds for the St. Louis Cardinals vs. Kansas City Royals matchup, including the outright game winner and spread markets for each side. Odds can move as traders react to lineups, pitching news, injuries, and smart-money bets.
What is the smart money betting on in Cardinals vs Royals?
PolySpotter has detected multiple smart-money signals on this event, including activity from profitable sports whales and a perfect-record sports sharp. Recent alerts also point to whale interest on the underdog and a whale-driven line move.
Which markets are included in this Cardinals vs Royals event?
The event includes three related Polymarket markets: the main St. Louis Cardinals vs. Kansas City Royals winner market, Kansas City Royals -1.5 spread, and St. Louis Cardinals -1.5 spread.
When does the Cardinals vs Royals market resolve?
The market resolves after the MLB game is completed. If the game is postponed, the market remains open until it is played; if it is canceled with no makeup game or ends in a tie, it resolves 50-50.
Why watch smart-money signals for this MLB game?
Smart-money tracking can show when historically profitable wallets or large bettors are taking positions before or during a line move. For Cardinals vs Royals, PolySpotter has tracked over $51,000 across four smart-money signals.