Seattle Mariners vs. Houston Astros

MLB
Seattle Mariners
58-66
2
LIVE · Mid 4th
0
Houston Astros
63-61
Game context

The Seattle Mariners enter the series in Houston as underdogs despite a 10-5 win on August 15 that featured Cole Young’s homer and four RBIs. The Astros sit at 63-61 atop the AL West while the Mariners stand at 58-66, creating a meaningful gap in implied win probability for any remaining games. Houston’s home-field edge and stronger overall record contrast with Seattle’s season series success against them, including multiple earlier victories. Recent extra-innings and high-scoring contests highlight bullpen volatility and offensive surges as key variables. Pitching matchups, rest, and any late injury designations from official reports will shape the final outcome probabilities reflected in trader consensus.

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Moneyline
$413.7K Vol.
Spread
$68.7K Vol.
Total (O/U)
$342K Vol.
1st 5 Innings · Moneyline
$171 Vol.
1st 5 Innings · Spread
$101 Vol.
1st 5 Innings · Total (O/U)
$1.1K Vol.

In the upcoming MLB game between the Seattle Mariners and Houston Astros, scheduled for August 16 at 7:20PM 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.

Resolution Source: www.mlb.com

Odds & FAQ

What are the current odds for Seattle Mariners vs. Houston Astros?
Randy Arozarena: Home Runs O/U 0.5 dominates the field at 99%; the nearest challenger, 1st 5 Innings Spread -1.5, trades at just 63%. The order book treats this as nearly decided.
What do traders predict for Seattle Mariners vs. Houston Astros?
Traders price Randy Arozarena: Home Runs O/U 0.5 at a 99% implied probability - about as confident as prediction markets get. Real money stands behind that number, updated live.
When does the Seattle Mariners vs. Houston Astros market resolve?
Resolution is scheduled for 23 Aug 2026 (7 days left). Once the outcome is confirmed, the market settles under Polymarket's published criteria.
How much money is trading on Seattle Mariners vs. Houston Astros?
Traders have put $10.6M through this market so far - a solid gauge of how much real money backs these odds.
How can I trade Seattle Mariners vs. Houston Astros on Polymarket?
You can watch the odds move here in real time and trade the market directly on Polymarket. As always, prediction trading carries real risk.

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