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St. Louis Cardinals vs. Miami Marlins: O/U 8.5
100% implied probability — Under leads
Resolution date: April 21, 2026 at 10:40 PM UTC
Event cluster: St. Louis Cardinals vs. Miami Marlins
Topic: baseball
24-hour volume: $19.0K
Total liquidity: $0
Resolution criteria: In the upcoming MLB game between the St. Louis Cardinals and Miami Marlins, scheduled for April 21 at 6:40 PM ET: This market will resolve to "Over" if the St. Louis Cardinals and Miami Marlins 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.
Related markets from this event:
Last refreshed: April 22, 2026 at 4:52 AM UTC
St. Louis Cardinals vs. Miami Marlins: O/U 8.5 resolved Under at 100% on Polymarket. Settled Apr 21, 2026. Part of St. Louis Cardinals vs. Miami Marlins. $20.2K total volume traded.
100¢
Archived metadata only
Outcome
Under
Apr 21, 2026
Final
100¢
100%
Archive price path
Apr 21, 2026 to Apr 22, 2026
Start
51.5¢
End
0.05¢
7d Range
0.05¢ to 78.5¢
Archive overview
Outcome
Under
Total volume
$20.2K
Settlement logic
In the upcoming MLB game between the St. Louis Cardinals and Miami Marlins, scheduled for April 21 at 6:40 PM ET: This market will resolve to "Over" if the St. Louis Cardinals and Miami Marlins 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.
Same event markets
Source
Polymarket market archive
Last refreshed
April 22, 2026 at 4:52 AM UTC
Ranking logic
/research/methodologyData caveat
Thin books and wide spreads can distort price precision
Liquidity
$0
Resolved
Apr 21, 2026