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$107,351,958

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2,388,728,490

OPEN INTEREST:

$1,416,970,024

400,720

Markets across

30,097

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MATCHED EVENTS:

2,633

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

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61%

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Nippon Ham Fighters vs. Saitama Seibu Lions
polymarket
kalshi

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

Volume:
$68,978

Hokkaido Nippon-Ham Fighters

all

2 markets

Kalshi

Polymarket

consensus

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 17, 2026

Closed: Sep 17, 7:39 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
$38,488
N/A
N/A
$25,149
Settled
Yes
polymarket

Nippon Ham Fighters vs. Saitama Seibu Lions

View
100%
34%
Yes 100¢No 0¢
0.1¢
N/A
$6,444
N/A
N/A
N/A
Settled
Yes
kalshi

Saitama Seibu Lions

View
0%
Yes 0¢No 100¢
100¢
N/A
$24,046
N/A
N/A
$14,913
Settled
No
Total markets: 3

Description

This group resolves to which team wins the Nippon Ham Fighters versus Saitama Seibu Lions NPB game scheduled for September 17th. The market will determine the winner based on official NPB results, with a 50-50 split in the event of a tie or cancellation without a make-up game.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Kalshi defines a 'Yes' outcome for either team winning, while Polymarket resolves to the specific winning team's name.Hero tip: Be aware that Kalshi's market is a binary 'either team wins' market, whereas Polymarket's market asks for the specific winner. This impacts payout structures and probability interpretation.

Critical divergence points:

  • Polymarket: Resolves to the name of the winning team (Nippon Ham Fighters or Saitama Seibu Lions). "If the Nippon Ham Fighters win, the market will resolve to "Nippon Ham Fighters""
  • Kalshi: Resolves to 'Yes' if either team wins. "If Hokkaido Nippon-Ham Fighters wins...then the market resolves to Yes. If Saitama Seibu Lions 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 17 at 5:00AM ET: If the Nippon Ham Fighters win, the market will resolve to "Nippon Ham Fighters". If the Saitama Seibu Lions win, the market will resolve to "Saitama Seibu Lions". 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

Markets resolve to Yes if the specified team wins the Saitama Seibu Lions vs Hokkaido Nippon-Ham Fighters Japan NPB game scheduled for Sep 17, 2026 at 5:00 AM EDT. If postponed or delayed, markets remain open until the rescheduled game concludes within two days; cancellations or reschedules beyond this window result in fair pricing. Ties resolve markets at 50/50.

Frequently asked questions

On Polymarket and Kalshi, this dashboard tracks the aggregate predictions for the NPB championship market. Currently, the consensus view across these platforms indicates a strong likelihood of one outcome leading, with a combined volume of $68,978. This provides a unified view of what traders believe will happen, combining insights from different prediction market venues. The dashboard displays the probabilities and trading volume from each platform, allowing users to see where the smart money is flowing in this exciting competition. It’s a valuable resource for anyone interested in the collective wisdom of prediction markets.

Prediction market odds, like those found in this market, often differ from traditional sportsbook odds due to the different incentives and information sources involved. Sportsbooks set odds to maximize profit, factoring in a margin for themselves, while prediction markets allow participants to directly express their beliefs. This can lead to prediction market prices being more reflective of true probabilities, especially when there’s significant information asymmetry. However, sportsbook odds can benefit from expert analysis and sophisticated modeling. Comparing the two can provide a more comprehensive understanding of potential outcomes, and this market offers a unique perspective on the event.

Several key events could significantly impact this market. Major player injuries on either the Nippon Ham Fighters or the Saitama Seibu Lions, or any other team contending for the championship, would likely cause shifts in probabilities. Unexpected performance swings during the regular season or playoff series, along with managerial decisions and weather conditions affecting game outcomes, could all act as catalysts. Any news regarding team morale, internal conflicts, or significant strategic changes could also influence trader sentiment and move the market. Monitoring these factors is crucial for informed trading.