What is the Mariners vs Astros prediction market about?

This market asks which team will win the MLB game between the Seattle Mariners and Houston Astros scheduled for May 12 at 8:10 PM ET. It resolves to Seattle Mariners if Seattle wins and Houston Astros if Houston wins.

What smart money is PolySpotter tracking on Mariners vs Astros?

PolySpotter is tracking $9,430 in smart money across 3 signals for this market. Recent alerts include sharp activity on the Astros as well as buying interest on Seattle, making it useful to monitor live positioning before the game.

When does the Mariners vs Astros Polymarket resolve?

The market resolves after the game is completed, based on the official game result. The listed resolution date is May 20, 2026 at 00:10 UTC, allowing time for completion if the game is postponed.

What happens if Mariners vs Astros is postponed or canceled?

If the game is postponed, the market stays open until the rescheduled game is completed. If the game is canceled with no make-up game, or if it ends in a tie, the market resolves 50-50.

How can I use this market for Mariners vs Astros odds analysis?

The market price reflects trader expectations for each team’s chance to win, while PolySpotter highlights smart money signals from sharp traders. Comparing live odds with recent smart money alerts can help you understand where informed traders may be positioning.

Part of: Seattle Mariners vs. Houston Astros

Seattle Mariners vs. Houston Astros

This Polymarket MLB market covers the May 12 game between the Seattle Mariners and Houston Astros, resolving to the team that wins the completed game. PolySpotter is tracking $9,430 in smart money across 3 signals, with recent sharp activity mentioning both Astros and Seattle buying. The market is scheduled around the May 12 8:10 PM ET matchup and remains open if postponed until the game is completed; a cancellation with no make-up game or a tie resolves 50-50.

In the upcoming MLB game between the Seattle Mariners and Houston Astros, scheduled for May 12 at 8:10PM ET: This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game. This market will resolve to "Houston Astros" if the Houston Astros win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.

6 smart money signals detected, totaling $23,322.

Categories: Sports, Games, MLB, baseball

Notable Trades

96% sports sharp buying

Sharp sports bettor with a 96% win record and strong cross-market history is buying Seattle at 59¢ amid a major pre-game volume spike.

This bettor has won 26 of 27 resolved trades and is up $126k lifetime.
They have a long cross-market track record across 28 events with the same 96% hit rate.
Seattle is being bought at 59¢ as pre-game volume spikes over 400x above normal.

$1,770 on Seattle Mariners | Wallet win rate: 55%

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.

This bettor has won 26 of 27 resolved trades and is up $126K lifetime.
They are a serial sports trader across 27 events with a 96% hit rate.
A $5.9K Mariners buy came during an 843x pre-game volume spike.

$5,900 on Seattle Mariners | Wallet win rate: 55%

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.

This bettor wins 91% of resolved bets and is up $257k lifetime.
They have traded across 51 events with the same 91% hit rate, suggesting a repeatable sports edge.
They bought Seattle at 59¢ in a market seeing an 843x pre-game volume spike.

$1,760 on Seattle Mariners | Wallet win rate: 91%

Elite 94% sports sharp

Sharp sports bettor with a 94% historical win rate and $221k profit bought Seattle at 56¢.

This bettor wins 94% of resolved trades and is up $221k lifetime.
They have a huge sample of 1,327 resolved positions, with wins coming at average odds around 59%.
Entry at 56¢ suggests they see Seattle as underpriced despite an already liquid MLB market.

$1,293 on Seattle Mariners | Wallet win rate: 94%

92% winner backs Astros

Despite a low composite score, this is a proven sharp wallet with a 92% record and nearly $926k profit buying Houston in size.

This bettor wins 92% of resolved trades and is up about $926k lifetime.
They put $7.6k on Houston at 43–44¢, adding meaningful size against Seattle as the slight favorite.
Entry around 44¢ implies they see Houston as underpriced with roughly 2.3x payout if it wins.

$7,600 on Houston Astros | Wallet win rate: 92%

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.

This bettor wins 92% of resolved trades and is up $821K lifetime.
They have traded 115 events with $3.2M in volume, suggesting a repeatable sports edge.
The $5K Astros buy was large versus recent market activity, entering at 43¢ while the market shows Houston around 42%.

$5,000 on Houston Astros | Wallet win rate: 92%