TOTAL VOLUME:

$134.2b

24H VOL:

$130,522,377

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,438,389,636

404,028

Markets across

30,214

events

MATCHED EVENTS:

2,681

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
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Griekspoor vs Mejia
kalshi

Griekspoor vs Mejia

Volume:
$63,503

Tallon Griekspoor

 - Kalshi

Tallon Griekspoor - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 18, 2026

Closed: Sep 18, 12:25 PM 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

Tallon Griekspoor

View
100%
16%
Yes 100¢No 0¢
100¢
N/A
$16,195
N/A
N/A
$13,319
Settled
Yes
kalshi

Nicolas Mejia

0%
Yes 0¢No 100¢
100¢
N/A
$47,308
N/A
N/A
$35,010
Settled
No
Total markets: 2

Description

This event tracks the outcome of a professional tennis match between Tallon Griekspoor and Nicolas Mejia scheduled for the 2026 Davis Cup round. The market focuses on which player will emerge victorious after the match officially begins. Any changes to the match schedule or cancellations before play determines how the market will resolve.

Kalshi

If Tallon Griekspoor wins the Griekspoor vs Mejia professional tennis match in the 2026 Davis Cup round after a ball has been played, then the market resolves to Yes. If Nicolas Mejia wins the Griekspoor vs Mejia professional tennis match in the 2026 Davis Cup round after a ball has been played, then the market resolves to Yes.