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402,751

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2,632

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Tokyo Yakult Swallows vs. Yokohama BayStars
polymarket
kalshi

What is the result of Tokyo Yakult Swallows vs. Yokohama BayStars?

Volume:
$115,791

Yokohama DeNA BayStars

 - Kalshi

Yokohama DeNA BayStars - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 9, 2026

Closed: Jul 5, 8:24 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

Yokohama DeNA BayStars

View
100%
Yes 100¢No 0¢
100¢
N/A
$62,438
N/A
N/A
$42,154
Settled
Yes
kalshi

Tokyo Yakult Swallows

View
0%
Yes 0¢No 100¢
100¢
N/A
$52,886
N/A
N/A
$30,779
Settled
No
polymarket

Tokyo Yakult Swallows vs. Yokohama BayStars

View
0%
Yes 0.1¢No 99.9¢
—
N/A
$467
N/A
N/A
N/A
Settled
Yes
Total markets: 3

Description

This event group covers a single NPB (Nippon Professional Baseball) game between the Tokyo Yakult Swallows and Yokohama DeNA BayStars scheduled for July 5, 2026 at 5:00 AM EDT. Markets across platforms are betting on the winner of this matchup, with specific rules for postponements, cancellations, and ties.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Kalshi's resolution logic contains a logical contradiction: both possible outcomes (Swallows win OR BayStars win) are stated to resolve to Yes, which is impossible in a single-outcome sporting event. This makes the market fundamentally unresolvable as written.Hero tip: Treat Polymarket as the authoritative market structure. Kalshi's market description appears to have a copy-paste error or structural defect. Contact Kalshi support immediately to clarify whether the market is actually Yes/No (Swallows win = Yes, BayStars win = No) or if resolution rules need correction. Avoid trading Kalshi until the contradiction is resolved.

Critical divergence points:

  • Polymarket: Clean binary winner-take-all structure. Resolves to winning team name (Swallows or BayStars). Tie/cancellation with no makeup game resolves 50-50. Source: NPB official site.
  • Kalshi: Contradictory dual-Yes resolution. States 'If Tokyo Yakult Swallows wins...resolves to Yes' AND 'If Yokohama DeNA BayStars wins...resolves to Yes.' Only one team can win; both cannot trigger Yes simultaneously. Logical impossibility.
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 July 5 at 5:00AM ET: If the Tokyo Yakult Swallows win, the market will resolve to "Tokyo Yakult Swallows". If the Yokohama BayStars win, the market will resolve to "Yokohama BayStars". 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.

Kalshi

Resolution is based on the final result of the game scheduled for July 5, 2026 at 5:00 AM EDT. If the game is postponed or delayed, markets remain open and close after the rescheduled game concludes within two days. Should the game be cancelled or rescheduled beyond two days, markets resolve to a fair price per rules. Tied games resolve to 50/50.

Frequently asked questions

Prediction markets like these operate on crowd-sourced pricing rather than traditional sportsbook models. Instead of a bookmaker setting fixed lines, traders here buy and sell shares tied to outcomes, with prices reflecting collective belief about the game result. This often produces sharper, more efficient odds than conventional sportsbooks because participants have real money at stake and can trade continuously. Comparing this market's prices to major sportsbooks reveals whether the crowd is pricing the matchup differently—sometimes prediction markets lead, sometimes they lag, depending on information flow and participant sophistication.

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 attracts different trader demographics, liquidity pools, and fee structures, all of which influence pricing. Polymarket and Kalshi may also enforce slightly different rules around order types, settlement timing, or market halts. Arbitrage opportunities sometimes emerge when one platform prices the outcome higher than the other, though transaction costs and withdrawal delays can prevent traders from fully exploiting the gap. Monitoring both venues helps you understand whether price differences reflect genuine disagreement or temporary inefficiency.

Key catalysts include injury announcements affecting star players, lineup changes, recent team performance streaks, and head-to-head historical trends. Weather forecasts closer to game day can shift odds if rain or extreme conditions are expected. Trading volume and media attention often spike when major sportsbooks adjust their lines or when prominent analysts publish predictions. Late-breaking roster updates or managerial decisions in the days before the matchup may also trigger repricing. Monitor NPB news and team social media for developments that could reshape trader conviction.