TOTAL VOLUME:

$134.1b

24H VOL:

$113,466,932

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,423,222,590

402,751

Markets across

30,217

events

MATCHED EVENTS:

2,632

PLATFORM COVERAGE:

5

Polymarket:

39%

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Kalshi:

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Madrid Open: Tatjana Maria vs Laura Samson
polymarket

Madrid Open: Tatjana Maria vs Laura Samson

Volume:
$174,783

Madrid Open: Tatjana Maria vs Laura Samson Set 1 O/U 8.5

 - Polymarket

Madrid Open: Tatjana Maria vs Laura Samson Set 1 O/U 8.5 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Apr 21, 2026

Closed: Apr 28, 5:00 AM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Madrid Open: Tatjana Maria vs Laura Samson Set 1 O/U 8.5

View
100%
Yes 100¢No 0¢
—
N/A
$84
N/A
N/A
N/A
Settled
Yes
polymarket

Madrid Open: Tatjana Maria vs Laura Samson Set 1 O/U 9.5

100%
Yes 100¢No 0¢
—
N/A
$20
N/A
N/A
N/A
Settled
Yes
polymarket

Madrid Open: Tatjana Maria vs Laura Samson

0%
Yes 0¢No 100¢
—
N/A
$173,801
N/A
N/A
N/A
Settled
Yes
polymarket

Madrid Open: Tatjana Maria vs Laura Samson Set Handicap +/-1.5

0%
Yes 0¢No 100¢
—
N/A
$685
N/A
N/A
N/A
Settled
Yes
polymarket

Madrid Open: Tatjana Maria vs Laura Samson Match O/U 21.5

0%
Yes 0¢No 100¢
—
N/A
$113
N/A
N/A
N/A
Settled
Yes
polymarket

Madrid Open: Tatjana Maria vs Laura Samson Total Sets: O/U 2.5

0%
Yes 0¢No 100¢
—
N/A
$26
N/A
N/A
N/A
Settled
Yes
polymarket

Madrid Open: Tatjana Maria vs Laura Samson Match O/U 23.5

0%
Yes 0¢No 100¢
—
N/A
$20
N/A
N/A
N/A
Settled
Yes
polymarket

Madrid Open: Tatjana Maria vs Laura Samson Set 1 O/U 10.5

0%
Yes 0¢No 100¢
—
N/A
$20
N/A
N/A
N/A
Settled
Yes
polymarket

Madrid Open: Tatjana Maria vs Laura Samson Match O/U 22.5

0%
Yes 0¢No 100¢
—
N/A
$10
N/A
N/A
N/A
Settled
Yes
polymarket

Madrid Open: Tatjana Maria vs Laura Samson Set 1 Winner

0%
Yes 0¢No 100¢
—
N/A
$5
N/A
N/A
N/A
Settled
Yes
Total markets: 10

Description

This market refers to the tennis match between Tatjana Maria and Laura Samson in the Madrid Open, originally scheduled for April 21, 2026 at 5:00AM ET. This market will resolve to 'Tatjana Maria' if Tatjana Maria advances against Laura Samson. This market will resolve to 'Laura Samson' if Laura Samson advances against Tatjana Maria. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.