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Sports·MLB

St. Louis Cardinals vs Kansas City Royals

3d 21h
Polymarket
Cardinals
Cardinals
11:40 PMJune 18
Royals
Royals
$0.00 Vol.Polymarket
NEW

Moneyline

$0 Vol.

Will there be a run in the first inning?

$0 Vol.

In the upcoming MLB game between the St. Louis Cardinals and Kansas City Royals, scheduled for June 18 at 7:40PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game. This market will resolve to "Kansas City Royals" if the Kansas City Royals 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 Kansas City Royals, scheduled for June 18 at 7:40 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 Kansas City Royals. 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 St. Louis Cardinals enter the June 21 interleague contest with the stronger position, holding a 38-30 record and second place in the NL Central, four games behind the division leader. The Kansas City Royals sit at 28-43, last in the AL Central and more than 10 games out, recently dropping four straight. St. Louis took three of four from Kansas City in their May series at Busch Stadium, including comeback victories that highlighted bullpen reliability and timely hitting. Royals pitching has allowed elevated run totals in recent outings, while Cardinals starters have limited opponents more effectively on the road. Home-field factors at Kauffman Stadium offer Kansas City some offset, yet the overall disparity in current form, standings momentum, and head-to-head results shapes trader consensus around the Cardinals as the clearer favorite in this matchup.

In the upcoming MLB game between the St. Louis Cardinals and Kansas City Royals, scheduled for June 18 at 7:40PM ET:

This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game.

This market will resolve to "Kansas City Royals" if the Kansas City Royals 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
$0
End Date
Jun 25, 2026
Market Opened
Jun 12, 2026, 9:00 AM ET

Resolution Source

https://www.mlb.com/

Resolver

0x65070BE91...
In the upcoming MLB game between the St. Louis Cardinals and Kansas City Royals, scheduled for June 18 at 7:40PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game. This market will resolve to "Kansas City Royals" if the Kansas City Royals 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. Royals” market on Polymarket lets you trade on the outcome of the MLB game between the St. Louis Cardinals and the Kansas City Royals, scheduled for June 18, 2026 at 7:40 PM ET. The primary market is the moneyline — which team will win the game — where Royals is currently priced at 50¢ (50% implied probability) and Cardinals at 50¢ (50%). 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. Royals” market has generated $NaN 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. Royals,” 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 50¢ and KC at 50¢. 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. Royals” show Kansas City Royals at 50¢ (50% implied probability) and St. Louis Cardinals at 50¢ (50%). 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. Royals” 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 vs Kansas City Royals

3d 21h
Polymarket
Cardinals
Cardinals
11:40 PMJune 18
Royals
Royals
$0.00 Vol.Polymarket
NEW

Moneyline

$0 Vol.

Will there be a run in the first inning?

$0 Vol.

In the upcoming MLB game between the St. Louis Cardinals and Kansas City Royals, scheduled for June 18 at 7:40PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game. This market will resolve to "Kansas City Royals" if the Kansas City Royals 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 Kansas City Royals, scheduled for June 18 at 7:40 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 Kansas City Royals. 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 St. Louis Cardinals enter the June 21 interleague contest with the stronger position, holding a 38-30 record and second place in the NL Central, four games behind the division leader. The Kansas City Royals sit at 28-43, last in the AL Central and more than 10 games out, recently dropping four straight. St. Louis took three of four from Kansas City in their May series at Busch Stadium, including comeback victories that highlighted bullpen reliability and timely hitting. Royals pitching has allowed elevated run totals in recent outings, while Cardinals starters have limited opponents more effectively on the road. Home-field factors at Kauffman Stadium offer Kansas City some offset, yet the overall disparity in current form, standings momentum, and head-to-head results shapes trader consensus around the Cardinals as the clearer favorite in this matchup.

In the upcoming MLB game between the St. Louis Cardinals and Kansas City Royals, scheduled for June 18 at 7:40PM ET:

This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game.

This market will resolve to "Kansas City Royals" if the Kansas City Royals 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
$0
End Date
Jun 25, 2026
Market Opened
Jun 12, 2026, 9:00 AM ET

Resolution Source

https://www.mlb.com/

Resolver

0x65070BE91...
In the upcoming MLB game between the St. Louis Cardinals and Kansas City Royals, scheduled for June 18 at 7:40PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game. This market will resolve to "Kansas City Royals" if the Kansas City Royals 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. Royals” market on Polymarket lets you trade on the outcome of the MLB game between the St. Louis Cardinals and the Kansas City Royals, scheduled for June 18, 2026 at 7:40 PM ET. The primary market is the moneyline — which team will win the game — where Royals is currently priced at 50¢ (50% implied probability) and Cardinals at 50¢ (50%). 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. Royals” market has generated $NaN 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. Royals,” 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 50¢ and KC at 50¢. 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. Royals” show Kansas City Royals at 50¢ (50% implied probability) and St. Louis Cardinals at 50¢ (50%). 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. Royals” 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.