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%

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Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys
polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys

Volume:
$891,017

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys

 - Polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 28, 2026

Closed: Jul 27, 9:03 PM EST

polymarket

Polymarket

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

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$877,030
N/A
N/A
N/A
Settled
Yes
polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys Set 2 Winner

100%
Yes 100¢No 0¢
0.1¢
N/A
$9,083
N/A
N/A
N/A
Settled
Yes
polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys Set 2 O/U 8.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$1,047
N/A
N/A
N/A
Settled
Yes
polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys Match O/U 21.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$496
N/A
N/A
N/A
Settled
Yes
polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys Total Sets: O/U 2.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$185
N/A
N/A
N/A
Settled
Yes
polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys Set 1 O/U 8.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$181
N/A
N/A
N/A
Settled
Yes
polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys Match O/U 23.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$55
N/A
N/A
N/A
Settled
Yes
polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys Match O/U 22.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$26
N/A
N/A
N/A
Settled
Yes
polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys Set Handicap +/-1.5

0%
Yes 0¢No 100¢
—
N/A
$1,786
N/A
N/A
N/A
Settled
Yes
polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys Set 1 Winner

0%
Yes 0¢No 100¢
—
N/A
$937
N/A
N/A
N/A
Settled
Yes
polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys Set Handicap +/-1.5

0%
Yes 0¢No 100¢
—
N/A
$135
N/A
N/A
N/A
Settled
Yes
polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys Set 1 O/U 10.5

0%
Yes 0¢No 100¢
—
N/A
$56
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys Set 2 O/U 9.5

100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys Set 1 O/U 9.5

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

Mubadala Citi DC Open: Liudmila Samsonova vs Madison Keys Set 2 O/U 10.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 16

Intro

This market tracks whether the tennis match between Liudmila Samsonova and Madison Keys at the Mubadala Citi DC Open will have more than 21.5 total games, with the current probability on Polymarket set at 100%. The resolution will be based on official results from the WTA website. The match is scheduled to conclude by August 3, 2026, and this date marks the end of the betting period for final settlement.

Polymarket

This market refers to the tennis match between Liudmila Samsonova and Madison Keys in the Mubadala Citi DC Open, originally scheduled for July 27, 2026 at 10:00AM ET. This market will resolve to 'Liudmila Samsonova' if Liudmila Samsonova advances against Madison Keys. This market will resolve to 'Madison Keys' if Madison Keys advances against Liudmila Samsonova. 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.

Frequently asked questions

This market resolves around Aug 3, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match conclusion, and the platform will update the market accordingly based on that verified data.

In the run-up to Aug 3, 2026, several factors could shift this market. Key signals include player form in recent matches, injury updates, and changes in tournament conditions like weather or court surface. Media commentary and expert predictions may also sway trader sentiment. Sudden shifts in betting patterns on Polymarket could amplify movement, especially if new information emerges about player readiness. As the event nears, any last-minute withdrawals or lineup changes would likely cause rapid adjustments in the odds.