New York Mets vs. St. Louis Cardinals
Prediction market · Polymarket
Overview
In the upcoming MLB game between the New York Mets and St. Louis Cardinals, scheduled for March 31 at 7:45PM ET: This market will resolve to "New York Mets" if the New York Mets win the game. This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals 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.
Ticker
mlb-nym-stl-2026-03-31
Volume
410.2K
24h volume
405.3K
1w volume
410.2K
Open interest
355.0K
Liquidity
210.3K
Liquidity CLOB
210.3K
Start
Mar 25, 2026
End
Apr 7, 2026
Status
Active
Access
Restricted
Created
Mar 31, 2026
Resolution source
https://www.mlb.com/
Event ID
305317
Slug
mlb-nym-stl-2026-03-31
Markets
5
Raw event data
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"slug": "mlb-nym-stl-2026-03-31",
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"description": "In the upcoming MLB game between the New York Mets and St. Louis Cardinals, scheduled for March 31 at 7:45PM ET:\n\nThis market will resolve to \"New York Mets\" if the New York Mets win the game.\n\nThis market will resolve to \"St. Louis Cardinals\" if the St. Louis Cardinals win the game.\n\nIf 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.\n\nThe 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.",
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"description": "In the upcoming MLB game between the New York Mets and St. Louis Cardinals, scheduled for March 31 at 7:45 PM ET:\n\nThis market will resolve to \"Yes\" if no runs are scored in the 1st inning by either the New York Mets or St. Louis Cardinals.\n\nThis market will resolve to \"No\" if at least one run is scored in the 1st inning by either team.\n\nIf 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.\n\nTo 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.\n\nThe 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.",
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{
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"question": "Spread: New York Mets (-1.5)",
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"slug": "mlb-nym-stl-2026-03-31-spread-away-1pt5",
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"description": "In the upcoming MLB game between the New York Mets and St. Louis Cardinals, scheduled for March 31 at 7:45 PM ET:\n\nThis market will resolve to \"New York Mets\" if the New York Mets win the game by 2 or more runs.\n\nOtherwise, this market will resolve to \"St. Louis Cardinals\". If the game ends in a tie, this market will resolve to \"St. Louis Cardinals\".\n\nIf 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.\n\nTo 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.\n\nThe 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.",
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"question": "New York Mets vs. St. Louis Cardinals: O/U 9.5",
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"description": "In the upcoming MLB game between the New York Mets and St. Louis Cardinals, scheduled for March 31 at 7:45 PM ET:\n\nThis market will resolve to \"Over\" if the New York Mets and St. Louis Cardinals combine to score 10 or more runs in this game.\n\nIf the combined total is less than 10, this market will resolve to \"Under\".\n\nIf 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.\n\nTo 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.\n\nThe 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.",
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{
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"question": "New York Mets vs. St. Louis Cardinals: O/U 8.5",
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"slug": "mlb-nym-stl-2026-03-31-total-8pt5",
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"description": "In the upcoming MLB game between the New York Mets and St. Louis Cardinals, scheduled for March 31 at 7:45 PM ET:\n\nThis market will resolve to \"Over\" if the New York Mets and St. Louis Cardinals combine to score 9 or more runs in this game.\n\nIf the combined total is less than 9, this market will resolve to \"Under\".\n\nIf 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.\n\nTo 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.\n\nThe 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.",
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"context_description": "Trader consensus slightly favors the New York Mets at around 60% implied probability in this rubber match of a 1-1 series at Busch Stadium, driven by their superior team ERA (2.77 vs. Cardinals' 6.32) and offseason splash signing Bo Bichette to a three-year, $126M deal, who snapped a hitless skid with a go-ahead RBI single in the 4-2 opener win on March 30. Yesterday's 3-0 Cardinals shutout highlighted Andre Pallante's dominance over Kodai Senga (nine Ks in a hard-luck loss), exposing Mets' offensive struggles amid minor IL absences like A.J. Minter (lat). Today's Freddy Peralta (7.20 ERA, high Ks) vs. Matthew Liberatore (1.80 ERA) tilts competitive, with mild 64°F weather and both teams 3-2 early.",
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}- NRFI: New York Mets vs. St. Louis CardinalsVol 6.5KLiq 0End Apr 7, 2026Closed
- New York Mets vs. St. Louis CardinalsVol 287.2KLiq 90.3KEnd Apr 7, 2026OpenOrder book
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- New York Mets vs. St. Louis Cardinals: O/U 9.5Vol 4.2KLiq 0End Mar 31, 2026Closed