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Sports·MLB

St. Louis Cardinals – Houston Astros

Polymarket
Cardinals
Cardinals
9
4
FINAL
Astros
Astros
$258.61K Vol.Polymarket

Moneyline

$221K Vol.

Spreads

$4.9K Vol.

Totals

$31.8K Vol.

Will there be a run in the first inning?

$983 Vol.

In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "Houston Astros" if the Houston Astros win the game by 2 or more runs. Otherwise, this market will resolve to "St. Louis Cardinals". If the game ends in a tie, this market will resolve to "St. Louis Cardinals". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game by 2 or more runs. Otherwise, this market will resolve to "Houston Astros". If the game ends in a tie, this market will resolve to "Houston Astros". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game by 3 or more runs. Otherwise, this market will resolve to "Houston Astros". If the game ends in a tie, this market will resolve to "Houston Astros". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "Over" if the St. Louis Cardinals and Houston Astros combine to score 9 or more runs in this game. If the combined total is less than 9, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "Over" if the St. Louis Cardinals and Houston Astros combine to score 10 or more runs in this game. If the combined total is less than 10, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "Over" if the St. Louis Cardinals and Houston Astros combine to score 11 or more runs in this game. If the combined total is less than 11, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "Over" if the St. Louis Cardinals and Houston Astros combine to score 8 or more runs in this game. If the combined total is less than 8, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "Over" if the St. Louis Cardinals and Houston Astros combine to score 12 or more runs in this game. If the combined total is less than 12, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "Yes" if at least one run is scored in the 1st inning by either the St. Louis Cardinals or Houston Astros. This market will resolve to "No" if no runs are scored in the 1st inning by either team. 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.The Houston Astros' depleted pitching staff, ravaged by injuries to starters Hunter Brown (shoulder strain), Cristian Javier (shoulder), Tatsuya Imai (arm fatigue), and reliever Cody Bolton (back), alongside shortstop Jeremy Peña's knee issue, has fueled trader caution entering game two against the St. Louis Cardinals at Minute Maid Park. St. Louis claimed the series opener 4-1 Friday, improving to 11-8 with a 6-4 mark over their last 10, powered by Alec Burleson's .333 average and 1.001 OPS versus right-handers and Jordan Walker's 11-game hit streak. Astros (8-13) lean on Yordan Alvarez's early surge but face bullpen strain after recent losses, including a swept Seattle series; Cardinals' healthier roster and momentum shape the closely contested implied probabilities.

In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10PM ET:

This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals 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.
Volume
$258,609
End Date
Apr 25, 2026
Market Opened
Apr 11, 2026, 9:00 AM ET

Resolution Source

https://www.mlb.com/

Resolver

0x65070BE91...
In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals 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.

Beware of external links.

Frequently Asked Questions

The “Cardinals vs. Astros” market on Polymarket lets you trade on the outcome of the MLB game between the St. Louis Cardinals and the Houston Astros, scheduled for April 17, 2026 at 8:10 PM ET. The primary market is the moneyline — which team will win the game — where Cardinals is currently priced at 100¢ (100% implied probability) and Astros at 0¢ (0%). Beyond the moneyline, sports markets on Polymarket may feature spreads, totals (over/under), and player props, giving you multiple ways to trade on this game. Prices reflect real-time crowd-sourced probabilities. Shares in the correct outcome pay out $1 each when the market resolves after the game ends.

As of now, the “Cardinals vs. Astros” market has generated $258.6K in total trading volume across all market types (moneyline, spreads, totals, and player props). This volume reflects active engagement from the Polymarket trading community, and a deeper pool of traders generally means more informative, reliable odds. You can track live price movements and trade on any market directly on this page.

To trade on “Cardinals vs. Astros,” start by choosing the market type you want to trade: Moneyline (which team wins), Spreads (margin of victory), Totals (combined score over/under), or Player Props (individual player stat lines). Each market shows the current price for each side — for example, the moneyline shows STL at 100¢ and HOU at 0¢. Select the side you want to trade, choose Buy to take a position or Sell to close an existing one, enter your amount, and click Trade. If your chosen side is correct when the game ends and the market resolves, your shares pay out $1 each. If it’s incorrect, they pay out $0. You can also sell your shares at any time before the game ends to lock in a profit or cut a loss.

The current moneyline odds for “Cardinals vs. Astros” show St. Louis Cardinals at 100¢ (100% implied probability) and Houston Astros at 0¢ (0%). All odds update in real-time as traders buy and sell shares, reflecting the latest collective view of how this game will play out. Check back frequently or bookmark this page to follow how the odds shift as game time approaches.

The “Cardinals vs. Astros” market resolves based on the official final score of the MLB game as reported by MLB’s official results, including overtime if applicable. Moneyline markets resolve to the team that wins the game. Spread markets resolve based on the final margin of victory relative to the posted line. Totals (over/under) markets resolve based on the combined final score of both teams. Player prop markets resolve based on official box score statistics. If the game is postponed or canceled, the market resolution rules (available in the Rules section on this page) specify how that scenario is handled. We recommend reviewing the full resolution criteria before trading.
Sports·MLB

St. Louis Cardinals – Houston Astros

Polymarket
Cardinals
Cardinals
9
4
FINAL
Astros
Astros
$258.61K Vol.Polymarket

Moneyline

$221K Vol.

Spreads

$4.9K Vol.

Totals

$31.8K Vol.

Will there be a run in the first inning?

$983 Vol.

In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "Houston Astros" if the Houston Astros win the game by 2 or more runs. Otherwise, this market will resolve to "St. Louis Cardinals". If the game ends in a tie, this market will resolve to "St. Louis Cardinals". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game by 2 or more runs. Otherwise, this market will resolve to "Houston Astros". If the game ends in a tie, this market will resolve to "Houston Astros". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game by 3 or more runs. Otherwise, this market will resolve to "Houston Astros". If the game ends in a tie, this market will resolve to "Houston Astros". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "Over" if the St. Louis Cardinals and Houston Astros combine to score 9 or more runs in this game. If the combined total is less than 9, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "Over" if the St. Louis Cardinals and Houston Astros combine to score 10 or more runs in this game. If the combined total is less than 10, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "Over" if the St. Louis Cardinals and Houston Astros combine to score 11 or more runs in this game. If the combined total is less than 11, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "Over" if the St. Louis Cardinals and Houston Astros combine to score 8 or more runs in this game. If the combined total is less than 8, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "Over" if the St. Louis Cardinals and Houston Astros combine to score 12 or more runs in this game. If the combined total is less than 12, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10 PM ET: This market will resolve to "Yes" if at least one run is scored in the 1st inning by either the St. Louis Cardinals or Houston Astros. This market will resolve to "No" if no runs are scored in the 1st inning by either team. 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.The Houston Astros' depleted pitching staff, ravaged by injuries to starters Hunter Brown (shoulder strain), Cristian Javier (shoulder), Tatsuya Imai (arm fatigue), and reliever Cody Bolton (back), alongside shortstop Jeremy Peña's knee issue, has fueled trader caution entering game two against the St. Louis Cardinals at Minute Maid Park. St. Louis claimed the series opener 4-1 Friday, improving to 11-8 with a 6-4 mark over their last 10, powered by Alec Burleson's .333 average and 1.001 OPS versus right-handers and Jordan Walker's 11-game hit streak. Astros (8-13) lean on Yordan Alvarez's early surge but face bullpen strain after recent losses, including a swept Seattle series; Cardinals' healthier roster and momentum shape the closely contested implied probabilities.

In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10PM ET:

This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals 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.
Volume
$258,609
End Date
Apr 25, 2026
Market Opened
Apr 11, 2026, 9:00 AM ET

Resolution Source

https://www.mlb.com/

Resolver

0x65070BE91...
In the upcoming MLB game between the St. Louis Cardinals and Houston Astros, scheduled for April 17 at 8:10PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals 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.

Beware of external links.

Frequently Asked Questions

The “Cardinals vs. Astros” market on Polymarket lets you trade on the outcome of the MLB game between the St. Louis Cardinals and the Houston Astros, scheduled for April 17, 2026 at 8:10 PM ET. The primary market is the moneyline — which team will win the game — where Cardinals is currently priced at 100¢ (100% implied probability) and Astros at 0¢ (0%). Beyond the moneyline, sports markets on Polymarket may feature spreads, totals (over/under), and player props, giving you multiple ways to trade on this game. Prices reflect real-time crowd-sourced probabilities. Shares in the correct outcome pay out $1 each when the market resolves after the game ends.

As of now, the “Cardinals vs. Astros” market has generated $258.6K in total trading volume across all market types (moneyline, spreads, totals, and player props). This volume reflects active engagement from the Polymarket trading community, and a deeper pool of traders generally means more informative, reliable odds. You can track live price movements and trade on any market directly on this page.

To trade on “Cardinals vs. Astros,” start by choosing the market type you want to trade: Moneyline (which team wins), Spreads (margin of victory), Totals (combined score over/under), or Player Props (individual player stat lines). Each market shows the current price for each side — for example, the moneyline shows STL at 100¢ and HOU at 0¢. Select the side you want to trade, choose Buy to take a position or Sell to close an existing one, enter your amount, and click Trade. If your chosen side is correct when the game ends and the market resolves, your shares pay out $1 each. If it’s incorrect, they pay out $0. You can also sell your shares at any time before the game ends to lock in a profit or cut a loss.

The current moneyline odds for “Cardinals vs. Astros” show St. Louis Cardinals at 100¢ (100% implied probability) and Houston Astros at 0¢ (0%). All odds update in real-time as traders buy and sell shares, reflecting the latest collective view of how this game will play out. Check back frequently or bookmark this page to follow how the odds shift as game time approaches.

The “Cardinals vs. Astros” market resolves based on the official final score of the MLB game as reported by MLB’s official results, including overtime if applicable. Moneyline markets resolve to the team that wins the game. Spread markets resolve based on the final margin of victory relative to the posted line. Totals (over/under) markets resolve based on the combined final score of both teams. Player prop markets resolve based on official box score statistics. If the game is postponed or canceled, the market resolution rules (available in the Rules section on this page) specify how that scenario is handled. We recommend reviewing the full resolution criteria before trading.