TOTAL VOLUME:

$134.1b

24H VOL:

$141,541,542

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,440,096,988

406,065

Markets across

30,522

events

MATCHED EVENTS:

2,692

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Miami Marlins vs. St. Louis Cardinals
polymarket

Who will win Miami Marlins vs St. Louis Cardinals?

Volume:
$173,857

1st 5 Innings O/U 2.5

 - Polymarket

1st 5 Innings O/U 2.5 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 28, 2026

Closed: Jun 28, 2:15 PM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

1st 5 Innings O/U 2.5

View
100%
Yes 100¢No 0¢
0.9¢
N/A
$34
N/A
N/A
N/A
Settled
Yes
polymarket

Miami Marlins vs. St. Louis Cardinals

0%
Yes 0¢No 100¢
—
N/A
$135,500
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

0%
Yes 0¢No 100¢
—
N/A
$22,371
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 9.5

0%
Yes 0¢No 100¢
—
N/A
$9,205
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 8.5

0%
Yes 0¢No 100¢
—
N/A
$3,241
N/A
N/A
N/A
Settled
Yes
polymarket

NRFI

0%
Yes 0¢No 100¢
—
N/A
$2,543
N/A
N/A
N/A
Settled
No
polymarket

O/U 4.5

0%
Yes 0¢No 100¢
—
N/A
$197
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

0%
Yes 0¢No 100¢
—
N/A
$190
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

0%
Yes 0¢No 100¢
—
N/A
$185
N/A
N/A
N/A
Settled
Yes
polymarket

Extra Innings

0%
Yes 0¢No 100¢
—
N/A
$134
N/A
N/A
N/A
Settled
No
polymarket

O/U 3.5

0%
Yes 0¢No 100¢
—
N/A
$102
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 7.5

0%
Yes 0¢No 100¢
—
N/A
$43
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 6.5

0%
Yes 0¢No 100¢
—
N/A
$25
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 5.5

0%
Yes 0¢No 100¢
—
N/A
$25
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 5.5

0%
Yes 0¢No 100¢
—
N/A
$17
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 3.5

0%
Yes 0¢No 100¢
—
N/A
$15
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 4.5

0%
Yes 0¢No 100¢
—
N/A
$15
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 6.5

0%
Yes 0¢No 100¢
—
N/A
$15
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -1.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -1.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -2.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -2.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 22

Description

In the upcoming MLB game between the Miami Marlins and St. Louis Cardinals, scheduled for June 28 at 2:15PM ET: This market will resolve to "Miami Marlins" if the Miami Marlins 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.

Polymarket

In the upcoming MLB game between the Miami Marlins and St. Louis Cardinals, scheduled for June 28 at 2:15PM ET: This market will resolve to "Miami Marlins" if the Miami Marlins 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.

Frequently asked questions

On Polymarket, the dashboard for the Marlins vs. Cardinals matchup tracks real-time odds and price movements as traders buy and sell shares tied to the game outcome. You can monitor the current probability, 24-hour trading volume of $173,495, and historical price charts that show how market sentiment has shifted since the market opened. The interface displays the leading outcome alongside its implied probability, helping you gauge consensus among prediction market participants. This live data refresh allows you to spot momentum changes and compare current pricing against your own expectations before placing a trade.

Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets aggregate trader beliefs through continuous price discovery. This market's odds may lead or lag sportsbook lines depending on which venue attracts sharper early information. Comparing the two can reveal value: if this market prices Miami significantly higher than major sportsbooks, it may signal either informed trader conviction or a temporary mispricing. Tracking both sources over time helps identify which venue tends to be more predictive for baseball matchups.

This market resolves around Jul 5, 2026, once the game concludes and the final result is verified against credible public sources. The outcome is determined by which team wins the matchup; no draws or alternative scenarios apply in baseball. Resolution typically occurs within hours of game completion, allowing traders to settle positions quickly. Until that point, prices may fluctuate based on live game developments, breaking news, or shifts in trader sentiment. Early resolution is possible if circumstances prevent the game from being played as scheduled.

Key catalysts include injury announcements affecting star players, starting pitcher confirmations or changes, and late-breaking lineup decisions. Weather conditions at game time—particularly wind direction and temperature—can influence scoring expectations and shift probabilities. Betting market activity and sharp money flowing into sportsbooks often precedes prediction market moves, so monitoring those channels provides early signals. Team performance trends, recent head-to-head records, and bullpen availability also drive trader sentiment. Breaking news about roster changes or unexpected player absences can trigger sharp repricing, especially closer to game time when uncertainty resolves.