Houston Astros vs St. Louis Cardinals Odds

The Astros will play the Cardinals on Wednesday, March 18th, 2026. Your timezone's first pitch time is 1:05 pm EDT. Check local listings or your nearest streaming app for coverage.

Learn more about MLB Betting with our handy tutorial and guide. We explain money line, total and run line bets. Plus, a great discussion about exotic bets like MLB Baseball parlays and props.


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Table of Contents

Best Astros at Cardinals Odds


Best Moneyline Betting Odds
Underdog

St. Louis Cardinals
Favorite

Houston Astros
The Houston Astros are the -150 moneyline favorite. Risk $150 to win $100 on the Houston Astros at BetMGM. The St. Louis Cardinals are the +125 underdog at BetMGM. Risk $100 to win $125 on the St. Louis Cardinals. Learn more about how to bet on money lines.

Best Total Betting Odds
OverUnder
Total odds are updating, please check back soon.

Best Run Line Betting Odds
TBDTBD
Run Line odds are updating, please check back soon.

Matchup Odds FAQs

What is the moneyline for the Houston Astros vs St. Louis Cardinals MLB game on Wednesday, March 18th, 2026?

The Houston Astros are the -150 moneyline favorite at BetMGM and the St. Louis Cardinals are the +125 moneyline underdog at BetMGM.

MLB Odds Example

MLB Odds and Outcomes Explained

Game
BetMGM Sports Betting BetMGM
Bet
Astros
Cardinals
3/18/26 1:05pm EDT
-150+125
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Possible Moneyline Outcomes
  • St. Louis Cardinals bettors risk $100 to win $125 at +125 odds. The implied probability for St. Louis Cardinals is 44.44%.
  • Houston Astros bettors risk $100 to win $66.67 at -150 odds. The implied probability for Houston Astros is 60%.

Houston Astros at St. Louis Cardinals Prop Bets

MLB Prop Bets
+ Displays more odds
BetMGM Sports Betting BetMGM
Bet
Astros
Cardinals
3/18/26 1:05pm EDT
Pending BetMGM

Houston Astros & St. Louis Cardinals Futures Odds

Latest World Series odds, if available, for each team. Review odds for other teams and learn how to bet on the tournament. See past Championship results and learn how to bet World Series teasers, props and parlays.

Houston Astros World Series Odds
2026 Houston Astros World Series Odds

Team
BetMGM Sports Betting BetMGM
Astros
+4000
Bet
St. Louis Cardinals World Series Odds
2026 St. Louis Cardinals World Series Odds

Team
BetMGM Sports Betting BetMGM
Cardinals
+15000
Bet

Houston Astros & St. Louis Cardinals Team Pages

Review each team's season win total odds, futures odds, betting bonuses and other valuable information on our exclusive team betting odds pages. Team betting odds and stats update throughout the season:

Team Standings

2026 MLB Regular Season Standings - Houston Astros, St. Louis Cardinals
Team W L Pct GB Home Away RS RA Diff Strk L10
St. Louis Cardinals1490.609+2.07-57-4111119-8W16-4
Houston Astros9160.360+8.07-62-10135150-15L13-7

How to Bet on the Game

Time needed: 4 minutes.

How to Bet on the Houston Astros vs St. Louis Cardinals MLB Game

  1. Open a new sports betting account before game time.

    Review our list of sports betting sites. Open a new account before the game starts on Wednesday, March 18th, 2026 at 1:05 pm EDT, making sure to enter all your personal details correctly. Don't forget to add your bonus code.

  2. Visit the sportsbook’s cashier, banking, or deposit page.

    Navigate to the sportsbook's deposit page. Use your Visa card or MasterCard, or deposit with a bank transfer, or other methods like Paypal.

  3. Tap to the sportsbook's MLB page, look for the Houston Astros vs St. Louis Cardinals Game.

    Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Houston Astros vs St. Louis Cardinals Game.

  4. Choose your bet and place a wager.

    Choose your bet and then use the funds you deposited to place a wager. The sportsbook will pay your winnings or deduct a losing wager from your account balance after the game.

Other March 18, 2026 MLB Games

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