Loading game…

Matchup summary

The Astros take on the Mariners in MLB action on Wednesday, September 23 at 10:11 PM ET. Astros are getting +123 on the moneyline with the total at 8.5. Market win probability leans Mariners at 55.1%. Odds from 4 books, line movement, sharp money splits, a market confluence table (money vs tickets, line movement and which side holds the money, with the record of past games that showed the same reading), and every graded Locksmith pick on this matchup update on this page through game time.

Market data as of (latest consensus snapshot ) · refreshes about every minute while the game is on the slate; the closing market is archived at kickoff and stays at this URL

More on this matchup: Astros betting trends · Mariners betting trends · all MLB games

Line movement

What is the Astros vs Mariners spread and total?

MarketEarliest trackedCurrentMove
Spread (Mariners)-1.5-1.50
Total8.58.50

The Mariners were -1.5 at the earliest tracked line and are now -1.5: the spread has not moved.

The total was 8.5 at the earliest tracked line and is now 8.5: it has not moved.

The earliest tracked line is the oldest consensus snapshot Locksmith holds for this game, not the market opener.

Why the line moved

Why did the Astros vs Mariners line move?

The spread has not moved from the earliest tracked line (Mariners -1.5). The total has not moved from the earliest tracked line (8.5). Splits describe where the money sits, not what will happen.

Splits describe where the money sits, not what will happen; there is no historical dataset for this sport yet.

Read more

Astros vs Mariners Prediction, Odds & Picks — Sep 23, 2026 | Locksmith