Event

Houston Astros vs. Seattle Mariners

11 signals across 2 markets · $254,169 tracked · resolves Apr 19, 2026

Houston Astros vs. Seattle Mariners is an MLB prediction-market event covering both the game winner and the Mariners -1.5 spread. PolySpotter is tracking $254K+ in smart-money activity across 11 signals, including sharp Astros buying, a 5-wallet Mariners cluster, and high win-rate MLB bettors entering the market.

HOU
1
6-10
Final
SEA
6
7-9
HOU +159SEA -193O/U 8
Venue
T-Mobile Park, Seattle
Attendance
29,071

Markets (2)

  1. Houston Astros vs. Seattle Mariners10 signals · $253,167 tracked
  2. Spread: Seattle Mariners (-1.5)1 signal · $1,002 tracked

Top trades across all markets

  1. Linked sharp cluster buys Astros

    Three wallets, including one with an 82% win rate and $2.1M profit, coordinated a $68k buy into Houston at 42¢, with two wallets linked by funding and strong cross-market betting history.

    $68,062Score: 18.1
  2. 97% win-rate bettor

    A proven sharp sports bettor with a 97% win rate bought Seattle alongside three other wallets during a major pregame volume surge, making this a strong copy-trade signal.

    $7,163Wallet win rate: 98%Score: 15.4
  3. 5-wallet Mariners cluster

    Five wallets piled $45k into Seattle in a short burst, including one elite 90% win-rate bettor, creating a strong coordinated sports signal worth surfacing.

    $45,419Score: 14.2
  4. 82% win-rate MLB bettor

    A highly profitable 82% win-rate bettor joined a 4-wallet one-sided push into Seattle in a market seeing an extreme pregame volume spike, making this a strong trade to surface despite the modest single-ticket size.

    $2,657Wallet win rate: 89%Score: 13.4
  5. 82% win-rate sports bettor

    A highly profitable serial sports trader with an 82% win rate just made a concentrated $93.8k buy on Houston at 40¢ during an extreme pregame volume spike.

    $93,781Wallet win rate: 87%Score: 11.2
  6. 82% win-rate sports bettor

    A proven high-volume sports trader with an 82% win rate and over $2.1M in profit just placed a $28k bet on Houston at 41¢ during an unusual pregame volume spike.

    $28,041Wallet win rate: 87%Score: 10.9
  7. Profitable 4-wallet Seattle push

    A highly active and profitable sports trader joined a 4-wallet, $17k one-sided move into Seattle during an extreme pregame volume spike, making this coordinated flow worth following.

    $1,313Wallet win rate: 62%Score: 10.4
  8. 97% win-rate sports bettor

    A highly profitable sports trader with a 97% win rate and broad cross-market success just put $4k on Seattle at 57-58¢, making this a strong copy-trade signal despite only moderate market size.

    $4,037Wallet win rate: 98%Score: 9.0
  9. 97% win-rate sports bettor

    A bettor with a 97% win rate and broad cross-market success just put fresh money on Houston Astros in this spread market, making it a strong copy-trade candidate despite the modest size.

    $1,002Wallet win rate: 98%Score: 8.0
  10. 97% win-rate bettor

    A highly profitable serial trader with a 97% win rate is backing Seattle at 58¢, making this a strong copy-trade despite the modest size.

    $1,421Wallet win rate: 98%Score: 8.0

Top wallets in this event

  1. 0x63a51c8e33$121,822 · 1 market · 2 alerts · 87% wins
  2. 0x0767aa36b0$13,623 · 2 markets · 4 alerts · 98% wins
  3. 0x27f73844b0$2,657 · 1 market · 1 alert · 89% wins
  4. 0x7ea571de7b$1,313 · 1 market · 1 alert · 62% wins
  5. 0x32ed51f960$1,273 · 1 market · 1 alert · 67% wins

More on this event

FAQs

What are the Astros vs. Mariners prediction market odds?

This event tracks Polymarket odds for Houston Astros vs. Seattle Mariners, including the outright winner market and the Seattle Mariners -1.5 spread. Odds move as traders buy and sell shares based on expected win probability and game news.

What is the smart money doing on Astros vs. Mariners?

Recent PolySpotter alerts show mixed sharp activity: a linked sharp cluster bought Astros, while a 5-wallet cluster appeared on the Mariners side. The event has $254,169 in tracked smart-money volume across 11 signals.

Are high win-rate bettors involved in this MLB market?

Yes. PolySpotter flagged activity from a 97% win-rate bettor, an 82% win-rate MLB bettor, and an 82% win-rate sports bettor, making this a notable game for smart-money tracking.

What outcomes are traded in this event?

The event includes markets on which team wins the game—Houston Astros or Seattle Mariners—and a spread market for Seattle Mariners -1.5. The hub page aggregates activity across both related markets.

When does the Astros vs. Mariners market resolve?

The market is scheduled around the April 12 game and resolves after the game is completed. If postponed, it remains open until the makeup game is played; if canceled with no makeup or ends in a tie, it resolves 50-50.