Seattle Mariners vs. Houston Astros
20 signals across 5 markets · $187,098 tracked · resolves May 20, 2026
Seattle Mariners vs. Houston Astros is an MLB prediction market covering which team will win the May 12 game. PolySpotter is tracking $5,000 in smart money activity, including a recent signal showing a 92% sports sharp leaning toward the Astros.
Markets (5)
- Seattle Mariners vs. Houston Astros12 signals · $162,800 tracked
- Spread: Seattle Mariners (-1.5)5 signals · $15,458 tracked
- Seattle Mariners vs. Houston Astros: O/U 11.51 signal · $5,999 tracked
- Seattle Mariners vs. Houston Astros: O/U 7.51 signal · $1,679 tracked
- Seattle Mariners vs. Houston Astros: O/U 8.51 signal · $1,162 tracked
Top trades across all markets
- 92% sports sharp on Astros
A highly profitable 92% win-rate sports bettor with extensive cross-market history bought $5,000 of Houston at 43¢, with linked-wallet corroboration and outsized size versus recent volume.
$5,000Wallet win rate: 97%Score: 14.0 - Profitable cluster buying Astros
Strong one-sided Astros flow led by a $54k new-wallet bet and joined by highly profitable high-volume bettors, with a major pre-game volume spike.
$56,760Score: 12.9 - 96% winner buying MLB
Sharp sports bettor with a 96% resolved track record bought Seattle despite the price drifting slightly after entry, backed by serial cross-market success and a major pre-game volume spike.
$5,900Wallet win rate: 52%Score: 11.4 - 91% winner buying Seattle
A highly profitable sports bettor with a 91% win rate and strong cross-market history bought Seattle despite the price drifting lower afterward.
$1,760Wallet win rate: 92%Score: 11.1 - Elite 86% sports winner
Elite MLB/sports bettor with an 86% win rate and nearly $2.0M profit is buying Mariners -1.5 amid a sharp pre-event volume spike.
$4,239Wallet win rate: 54%Score: 10.1 - New whale on Astros
A 1-day-old wallet made a $54k Astros buy, its seventh large flagged bet, into a major pre-game volume spike and the price has already moved from 36% to 44%.
$54,000Wallet win rate: 100%Score: 8.8 - Elite 86% sports sharp
Elite proven sports bettor with 86% historical win rate and $1.45M profit is buying Houston +1.5 in a liquid MLB spread market.
$1,384Wallet win rate: 88%Score: 8.0 - Elite 86% sports sharp
Elite profitable sports bettor with an 86% win rate and $1.43M lifetime profit is buying Houston +1.5 amid a major pre-event volume spike.
$3,182Wallet win rate: 88%Score: 8.0 - 96% winner on totals
Sharp MLB bettor with a 96% win rate and strong cross-market history bought Under at 48¢ on a low-volume game total market.
$1,162Wallet win rate: 97%Score: 8.0 - Profitable serial sports bettor
A highly experienced cross-market sports trader with 7,677 resolved bets and $236k profit bought $19k of Seattle despite the market now trading lower.
$19,016Wallet win rate: 71%Score: 6.8
Top wallets in this event
- 0x531b33…6022$54,000 · 1 market · 1 alert · 100% wins
- 0x558f2f…1a56$19,016 · 1 market · 1 alert · 71% wins
- 0xbca08c…9705$7,678 · 2 markets · 2 alerts · 61% wins
- 0x9a4cf0…1f30$7,670 · 1 market · 2 alerts · 52% wins
- 0x38f0b7…2768$7,600 · 1 market · 1 alert · 93% wins
- 0xc97485…b33b$7,538 · 1 market · 3 alerts · 88% wins
- 0xd48a81…6e90$7,314 · 1 market · 1 alert · 71% wins
- 0xbd14b6…d62a$5,000 · 1 market · 1 alert · 97% wins
- 0x1d1ade…0df6$4,239 · 1 market · 1 alert · 54% wins
- 0xdfa63f…6c6c$3,680 · 1 market · 1 alert · 89% wins
FAQs
What are the Mariners vs. Astros prediction market odds?
The market prices the chance of either the Seattle Mariners or Houston Astros winning the game. Check the live Polymarket odds on the event page for the latest implied probabilities and price movement.
What is the smart money betting on in Mariners vs. Astros?
PolySpotter has tracked $5,000 in smart money activity for this event, with a recent alert showing a 92% sports sharp position on the Astros.
How does this Mariners vs. Astros Polymarket event resolve?
The market resolves to Seattle Mariners if Seattle wins, or Houston Astros if Houston wins. If the game is postponed, the market stays open until the game is completed; if it is canceled with no makeup game or ends in a tie, it resolves 50-50.
When is the Mariners vs. Astros game?
The game is scheduled for May 12 at 8:10 PM ET. The Polymarket event is expected to resolve after the game result is official.