TOTAL VOLUME:

$134.2b

24H VOL:

$134,145,987

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,441,166,947

406,422

Markets across

30,383

events

MATCHED EVENTS:

2,688

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Chunichi Dragons vs. Tokyo Yakult Swallows
polymarket
kalshi

Chunichi Dragons vs. Tokyo Yakult Swallows

Volume:
$85,288

Chunichi Dragons

 - Kalshi

Chunichi Dragons - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 21, 2026

Closed: Aug 21, 8:00 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

Chunichi Dragons

View
100%
Yes 100¢No 0¢
100¢
N/A
$35,825
N/A
N/A
$31,402
Settled
Yes
polymarket

Chunichi Dragons vs. Tokyo Yakult Swallows

100%
41%
Yes 100¢No 0¢
0.1¢
N/A
$9,274
N/A
N/A
N/A
Settled
Yes
kalshi

Tokyo Yakult Swallows

0%
Yes 0¢No 100¢
100¢
N/A
$40,189
N/A
N/A
$35,309
Settled
No
Total markets: 3

Description

This event group tracks the outcome of the NPB baseball game between the Chunichi Dragons and the Tokyo Yakult Swallows scheduled for August 21, 2026. The resolution depends on which team wins the game, with specific rules for ties, cancellations, and postponements.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Fundamental logic mismatch - Polymarket uses team names with tie/cancellation handling while Kalshi always resolves to YesHero tip: Do not trade these markets together as arbitrage opportunities will disappear quickly. Verify which market type you are trading before placing orders. Polymarket requires specific team outcomes while Kalshi always resolves to Yes.

Critical divergence points:

  • Polymarket: Resolves to team name if that team wins, 50-50 for ties/cancellations/postponements - Key Quote: "If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50"
  • Kalshi: Always resolves to Yes regardless of winner - Key Quote: "If Tokyo Yakult Swallows wins... then the market resolves to Yes. If Chunichi Dragons 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 August 21 at 5:00AM ET: If the Chunichi Dragons win, the market will resolve to "Chunichi Dragons". If the Tokyo Yakult Swallows win, the market will resolve to "Tokyo Yakult Swallows". 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 Tokyo Yakult Swallows wins the Tokyo Yakult Swallows vs Chunichi Dragons Japan NPB game originally scheduled for Aug 21, 2026 at 5:00 AM EDT, then the market resolves to Yes. If Chunichi Dragons wins the Tokyo Yakult Swallows vs Chunichi Dragons Japan NPB game originally scheduled for Aug 21, 2026 at 5:00 AM EDT, then the market resolves to Yes.

Frequently asked questions

The dashboard for the Dragons vs. Swallows matchup market aggregates real-time data from multiple platforms, showing how traders price the chances of each team winning. It displays current probabilities, total volume of $85,288, and 24-hour volume of $83,963, letting you see consensus views across venues. This unified view helps you spot shifts in sentiment as the game approaches, with all data updated live to reflect market activity.

On Polymarket and Kalshi, prices can vary due to differences in user bases, liquidity, and trading activity. 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’s unique pool of traders may have distinct views on team performance, injury reports, or pitching rotations, which moves their odds independently. Additionally, volume differences — such as Polymarket having more active users — can amplify price swings on one venue versus the other.