TOTAL VOLUME:

$134.2b

24H VOL:

$129,159,707

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,442,132,418

404,744

Markets across

30,489

events

MATCHED EVENTS:

2,691

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Tohoku Rakuten Golden Eagles vs. Nippon Ham Fighters
polymarket
kalshi

Tohoku Rakuten Golden Eagles vs. Nippon Ham Fighters

Volume:
$37,728

Hokkaido Nippon-Ham Fighters

 - Kalshi

Hokkaido Nippon-Ham Fighters - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 4, 2026

Closed: Sep 4, 8:04 AM EST

kalshi

Kalshi

View
Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Hokkaido Nippon-Ham Fighters

View
100%
Yes 100¢No 0¢
100¢
N/A
$21,182
N/A
N/A
$17,617
Settled
Yes
kalshi

Tohoku Rakuten Golden Eagles

View
0%
Yes 0¢No 100¢
100¢
N/A
$15,420
N/A
N/A
$9,387
Settled
No
polymarket

Tohoku Rakuten Golden Eagles vs. Nippon Ham Fighters

View
0%
39%
Yes 0¢No 100¢
—
N/A
$1,126
N/A
N/A
N/A
Settled
Yes
Total markets: 3

Description

This event group covers the outcome of an NPB baseball game between the Tohoku Rakuten Golden Eagles and the Nippon Ham Fighters scheduled for September 4, 2026. The markets resolve based on which team wins the game, with specific rules for ties, cancellations, and postponements.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Fundamental market structure mismatch between platforms - Polymarket uses a 3-outcome market while Kalshi incorrectly maps both possible wins to a single binary outcomeHero tip: Do not trade Kalshi market until corrected - it currently treats both team wins as Yes, making it logically invalid. Polymarket's structure is correct and should be used as reference

Critical divergence points:

  • Polymarket: Three-outcome market: resolves to team name if that team wins, 50-50 for ties/cancellations. "If the Tohoku Rakuten Golden Eagles win... If the Nippon Ham Fighters win... If the game is canceled entirely... this market will resolve 50-50"
  • Kalshi: Binary market incorrectly mapping both outcomes to Yes: "If Hokkaido Nippon-Ham Fighters wins... then the market resolves to Yes. If Tohoku Rakuten Golden Eagles wins... then the market resolves to Yes"
Our PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.

Polymarket

In the upcoming NPB game, scheduled for September 4 at 5:00AM ET: If the Tohoku Rakuten Golden Eagles win, the market will resolve to "Tohoku Rakuten Golden Eagles". If the Nippon Ham Fighters win, the market will resolve to "Nippon Ham Fighters". 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 will be official information from the NPB. A consensus of credible reporting may also be used.

Kalshi

If Hokkaido Nippon-Ham Fighters wins the Hokkaido Nippon-Ham Fighters vs Tohoku Rakuten Golden Eagles Japan NPB game originally scheduled for Sep 4, 2026 at 5:00 AM EDT, then the market resolves to Yes. If Tohoku Rakuten Golden Eagles wins the Hokkaido Nippon-Ham Fighters vs Tohoku Rakuten Golden Eagles Japan NPB game originally scheduled for Sep 4, 2026 at 5:00 AM EDT, then the market resolves to Yes.

Frequently asked questions

Injuries to key starters, weather delays, or bullpen announcements could shift this market as they change the perceived balance of power. Trading volume often spikes after these updates, especially on platforms like Polymarket where users react quickly to news. Any shift in team momentum or playoff implications may also cause rapid price adjustments before the final game.