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%

BETA
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Sports
Seattle Mariners vs. Pittsburgh Pirates
polymarket

Who will win Seattle Mariners vs Pittsburgh Pirates?

Volume:
$542,178

NRFI

 - Polymarket

NRFI - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 25, 2026

Closed: Jul 2, 12:35 PM EST

polymarket

Polymarket

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

NRFI

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$5,061
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 3.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$210
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 2.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$44
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -1.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$43
N/A
N/A
N/A
Settled
Yes
polymarket

Seattle Mariners vs. Pittsburgh Pirates

0%
Yes 0¢No 100¢
—
N/A
$381,248
N/A
N/A
N/A
Settled
Yes
polymarket

O/U 8.5

0%
Yes 0¢No 100¢
—
N/A
$124,511
N/A
N/A
N/A
Settled
Yes
polymarket

Spread -1.5

0%
Yes 0¢No 100¢
—
N/A
$29,801
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 4.5

0%
Yes 0¢No 100¢
—
N/A
$1,043
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings Spread -1.5

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

1st 5 Innings Spread -2.5

0%
Yes 0¢No 100¢
—
N/A
$48
N/A
N/A
N/A
Settled
Yes
polymarket

1st 5 Innings O/U 5.5

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

1st 5 Innings O/U 6.5

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

1st 5 Innings Spread -2.5

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

Extra Innings

0%
Yes 0¢No 100¢
—
N/A
$15
N/A
N/A
N/A
Settled
No
Total markets: 14

Description

In the upcoming MLB game between the Seattle Mariners and Pittsburgh Pirates, scheduled for June 25 at 12:35PM ET: This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game. This market will resolve to "Pittsburgh Pirates" if the Pittsburgh Pirates 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 Seattle Mariners and Pittsburgh Pirates, scheduled for June 25 at 12:35PM ET: This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game. This market will resolve to "Pittsburgh Pirates" if the Pittsburgh Pirates 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 Mariners vs. Pirates matchup displays real-time odds, historical price movements, and trading volume metrics. Traders can monitor how the probability of each outcome shifts as new information emerges. The platform has processed total volume of $532,984 since the market opened, with $532,156 in the last 24 hours. This live data helps bettors understand market sentiment and liquidity depth for this matchup.

Prediction markets and sportsbooks price events differently because they operate under distinct mechanisms. Sportsbooks set odds to balance their book and manage risk, while prediction markets derive prices from continuous trader activity and supply-demand dynamics. This market reflects aggregated trader conviction rather than a bookmaker's margin. Comparing the two can reveal where professional bettors and casual traders diverge on outcome probability, offering insight into which venue may be undervaluing or overvaluing each team's chances.

This market resolves around Jul 2, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect the final score and official game outcome as recorded by major sports authorities. Traders should monitor any schedule changes or postponements that could affect the resolution timeline. Once the game concludes and the result is verified, the market will settle automatically based on which team won.

Key catalysts include injury announcements affecting either team's roster, recent performance trends, and weather conditions on game day. Lineup changes, bullpen availability, and head-to-head historical matchups can shift trader expectations. Breaking news about player health, trades, or coaching decisions often triggers sharp price moves. Additionally, betting action from professional syndicates or sudden volume spikes can signal new information entering the market. Monitoring sports news and team updates in the days leading up to the game will help traders anticipate significant odds movements.