TOTAL VOLUME:

$134.2b

24H VOL:

$126,324,530

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,434,646,834

406,019

Markets across

30,401

events

MATCHED EVENTS:

2,689

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Miami Marlins vs. Arizona Diamondbacks
polymarket

Who will win Miami Marlins vs Arizona Diamondbacks?

Volume:
$1,259,176

Miami Marlins vs. Arizona Diamondbacks

 - Polymarket

Miami Marlins vs. Arizona Diamondbacks - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 16, 2026

Closed: Sep 16, 1:34 AM EST

polymarket

Polymarket

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

Miami Marlins vs. Arizona Diamondbacks

View
100%
57%
Yes 100¢No 0¢
0.1¢
N/A
$1,021,964
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 3.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$25,747
N/A
N/A
N/A
Settled
Yes
polymarket

NRFI

100%
50%
Yes 100¢No 0¢
0.1¢
N/A
$8,158
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

100%
69%
Yes 100¢No 0¢
0.1¢
N/A
$5,373
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 4.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$3,299
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 5.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$1,267
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 8.5

0%
50%
Yes 0¢No 100¢
—
N/A
$127,068
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

0%
39%
Yes 0¢No 100¢
—
N/A
$24,738
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 7.5

0%
58%
Yes 0¢No 100¢
—
N/A
$16,546
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 9.5

0%
39%
Yes 0¢No 100¢
—
N/A
$10,173
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

0%
30%
Yes 0¢No 100¢
—
N/A
$8,723
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 6.5

0%
Yes 0¢No 100¢
—
N/A
$2,808
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -2.5

0%
24%
Yes 0¢No 100¢
—
N/A
$2,406
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 4.5

0%
51%
Yes 0¢No 100¢
—
N/A
$422
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 2.5

0%
78%
Yes 0¢No 100¢
—
N/A
$240
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -1.5

0%
34%
Yes 0¢No 100¢
—
N/A
$240
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 3.5

0%
63%
Yes 0¢No 100¢
—
N/A
$4
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -1.5

0%
26%
Yes 0¢No 100¢
—
N/A
$1
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 5.5

0%
39%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 6.5

0%
30%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Extra Innings

100%
92%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Miami Marlins O/U 1.5

100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Miami Marlins O/U 2.5

100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Miami Marlins O/U 3.5

100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Miami Marlins O/U 4.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 25 of 31

Intro

This market tracks whether the Arizona Diamondbacks’ team total will be over or under 3.5 runs in their game against the Miami Marlins. Currently, the “Over 3.5” outcome is trading at 100.0% on Polymarket, with resolution based on official results reported at https://www.mlb.com/. Keep an eye on the game itself, scheduled for September 15 at 9:40PM ET, as the final score will determine the outcome of this market.

Polymarket

In the upcoming MLB game between the Miami Marlins and Arizona Diamondbacks, scheduled for September 15 at 9:40PM ET: This market will resolve to "Miami Marlins" if the Miami Marlins win the game. This market will resolve to "Arizona Diamondbacks" if the Arizona Diamondbacks 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-Diamondbacks game tracks the current odds, price history, and 24-hour trading volume. You can see how the implied probability of different outcomes shifts over time as traders buy and sell shares. Currently, the total volume for this market is $1,247,640, with $1,256,098 traded in the last 24 hours. The dashboard provides a visual representation of market sentiment and allows you to monitor activity related to this specific contest. It's a central location for understanding how the prediction market is evaluating the potential results.

Often, prediction market odds offer a different perspective than traditional sportsbooks. Sportsbooks typically incorporate a 'vig' or commission into their odds, reflecting their profit margin. This market, driven by the collective wisdom of traders on Polymarket, aims to represent the true probability of an event occurring, though biases can still exist. While sportsbooks may initially set odds based on expert analysis, this market evolves in real-time as new information and opinions are factored in by participants. It's common to see discrepancies between the two, potentially offering opportunities for informed traders.

On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief about the outcome of the Marlins-Diamondbacks game. As more shares are purchased for a particular outcome, its price increases, reflecting a higher implied probability. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of a share directly corresponds to the perceived likelihood of that outcome occurring, allowing traders to express their views and profit if their predictions are accurate. The market dynamically adjusts to new information and changing sentiment, providing a real-time assessment of the event’s potential results.

This market resolves around Sep 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Marlins-Diamondbacks game as reported by official sources. The platform will verify the final score and determine which outcome corresponds to the actual result. Traders holding shares in the winning outcome will be entitled to a payout based on the final market price at the time of resolution. It is important to note that the outcome is determined by the game’s official result, not by any subjective interpretation.

Several factors could influence this market before resolution. Any news regarding key player injuries for either the Marlins or Diamondbacks would likely cause significant movement. Changes in starting pitchers, weather forecasts impacting the game, or even significant shifts in public perception based on recent team performance could all affect trading activity. Unexpected announcements related to team strategy or player availability could also lead to price fluctuations. Monitoring these signals and their potential impact on the game’s outcome is crucial for traders looking to capitalize on market movements.