TOTAL VOLUME:

$134b

24H VOL:

$103,397,351

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2,388,728,490

OPEN INTEREST:

$1,410,176,180

399,592

Markets across

30,097

events

MATCHED EVENTS:

2,622

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Saitama Seibu Lions vs. Nippon Ham Fighters
polymarket
kalshi

What is the result of Saitama Seibu Lions vs. Nippon Ham Fighters?

Volume:
$124,276

Hokkaido Nippon-Ham Fighters

 - Kalshi

Hokkaido Nippon-Ham Fighters - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 13, 2026

Closed: Sep 13, 7:04 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
$46,148
N/A
N/A
$31,264
Settled
Yes
kalshi

Saitama Seibu Lions

View
0%
Yes 0¢No 100¢
100¢
N/A
$67,061
N/A
N/A
$47,956
Settled
No
polymarket

Saitama Seibu Lions vs. Nippon Ham Fighters

View
0%
52%
Yes 0¢No 100¢
—
N/A
$11,067
N/A
N/A
N/A
Settled
Yes
Total markets: 3

Description

This group forecasts the winner of a single NPB (Nippon Professional Baseball) game between the Saitama Seibu Lions and the Nippon Ham Fighters, scheduled for September 13th. The market resolves to the winning team, with a 50-50 split if the game is canceled or ends in a tie.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Kalshi references a game scheduled for September 13, 2026, while Polymarket references a game scheduled for September 13, 2024.Hero tip: Focus on the Polymarket market for the near-term game. The Kalshi market is for a game two years in the future.

Critical divergence points:

  • Polymarket: Resolves based on the outcome of the game on September 13, 2024. If the Lions win, it resolves to 'Saitama Seibu Lions'; if the Fighters win, it resolves to 'Nippon Ham Fighters'. A canceled game or tie results in a 50-50 split.
  • Kalshi: Resolves to 'Yes' if either the Lions or Fighters win the game originally scheduled for September 13, 2026. The wording implies a binary 'win' outcome for either team.
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 13 at 4:00AM ET: If the Saitama Seibu Lions win, the market will resolve to "Saitama Seibu Lions". 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 Saitama Seibu Lions Japan NPB game originally scheduled for Sep 13, 2026 at 4:00 AM EDT, then the market resolves to Yes. If Saitama Seibu Lions wins the Hokkaido Nippon-Ham Fighters vs Saitama Seibu Lions Japan NPB game originally scheduled for Sep 13, 2026 at 4:00 AM EDT, then the market resolves to Yes.

Frequently asked questions

On Polymarket and Kalshi, this dashboard tracks the aggregate predictions for the NPB championship market, combining insights from multiple sources to offer a consensus view. Currently, Polymarket shows a strong inclination toward one outcome, while Kalshi presents a slightly different perspective. The total volume across both platforms is $124,276, with $124,182 traded in the last 24 hours. This allows users to see how opinions are shifting and compare the probabilities offered across different prediction venues for this event.

Prediction market odds, like those found in this market, often reflect the collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set odds based on their own models and risk assessment, while prediction markets are driven by actual money at stake. This can lead to discrepancies, especially when public sentiment diverges from expert opinion. It’s common to see prediction markets react more quickly to new information and potentially offer more accurate forecasts, though this isn’t always the case. Comparing the two can provide a more well-rounded view of the potential outcome.

Prices for this market on Polymarket and Kalshi can diverge due to several factors. Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Each platform has its own user base, trading dynamics, and fee structures, all of which can influence price discovery. Additionally, differing levels of information available to traders on each platform, or varying interpretations of the same information, can lead to discrepancies. Market sentiment and liquidity also play a role; if one platform has significantly more volume, its prices may be more responsive to new information or shifts in opinion. Finally, differing risk appetites among traders on each platform can contribute to price differences.