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
Dashboards
Insights
Indices
Tour
All
Trending
Breaking
New
Ending Soon
Politics
Sports
Crypto
Companies
Elections
Financials
Economics
Other
Entertainment
Science and Technology
Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang
polymarket
kalshi

Who will win Begu/Cristian vs Mertens/Zhang?

Volume:
$20,917

Elise Mertens / Shuai Zhang

 - Kalshi

Elise Mertens / Shuai Zhang - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 3, 2026

Closed: Jul 3, 10:30 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

Elise Mertens / Shuai Zhang

View
100%
Yes 100¢No 0¢
100¢
N/A
$3,987
N/A
N/A
$3,987
Settled
Yes
polymarket

Completed Match

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$3,554
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang Set Handicap +/-1.5

View
100%
Yes 100¢No 0¢
9.8¢
N/A
$2,887
N/A
N/A
N/A
Settled
Yes
kalshi

Irina-Camelia Begu / Jaqueline Cristian

View
0%
Yes 0¢No 100¢
100¢
N/A
$9,451
N/A
N/A
$9,320
Settled
No
polymarket

Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang

View
0%
Yes 0¢No 100¢
—
N/A
$887
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang Total Sets: O/U 2.5

View
0%
Yes 0¢No 100¢
—
N/A
$150
N/A
N/A
N/A
Settled
Yes
polymarket

Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang Set 2 O/U 8.5

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

Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang Set 1 O/U 8.5

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

Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang Set 2 O/U 9.5

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

Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang Set 2 O/U 10.5

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

Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang Set 2 Winner

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

Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang Match O/U 21.5

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

Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang Match O/U 22.5

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

Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang Match O/U 23.5

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

Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang Set 1 Winner

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

Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang Set 1 O/U 9.5

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

Wimbledon WTA (Doubles): Begu/Cristian vs Mertens/Zhang Set 1 O/U 10.5

View
0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 17

Description

This event group covers a professional women's doubles tennis match at Wimbledon 2026 between the team of Irina-Camelia Begu and Jaqueline Cristian against Elise Mertens and Shuai Zhang, scheduled for July 2, 2026. The match is part of the Round of 64 in the WTA Doubles draw. Resolution depends on whether the match is completed and which team wins.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Polymarket offers two separate markets with conflicting retirement/default logic, while Kalshi provides minimal edge-case specification. The platforms differ on whether retirements, walkovers, and cancellations trigger resolution or no-contest outcomes.Hero tip: Before trading, confirm with each platform how retirements after play begins are handled. On Polymarket, the 'Completed Match' market and 'Winner' market contradict each other on this scenario. Kalshi's vague language on edge cases means you should request clarification on walkover and cancellation scenarios before committing capital.

Critical divergence points:

  • Polymarket: Two distinct markets: (1) Completed Match resolves NO for any forfeit, walkover, or retirement; (2) Winner resolves to advancing team if retirement occurs after play begins, but 50-50 for walkover before play. Quote: 'If a forfeit of any kind occurs...this market will resolve to No' vs. 'If the match begins but is not completed, and one team advances due to the opponent's retirement...this market will resolve to the team who advances.'
  • Kalshi: Single binary market: resolves YES if either team wins after a ball is played. No explicit rules for walkovers, retirements, cancellations, or ties. Quote: 'If Irina-Camelia Begu / Jaqueline Cristian wins...after a ball has been played, 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

This market refers to the doubles tennis match between Begu/Cristian and Mertens/Zhang in the Wimbledon WTA, originally scheduled for July 2, 2026 at 6:00AM ET. This market will resolve to 'Begu/Cristian' if the team of Begu/Cristian advances against Mertens/Zhang. This market will resolve to 'Mertens/Zhang' if the team of Mertens/Zhang advances against Begu/Cristian. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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.

Kalshi

Resolution requires that a ball be played in the match to confirm it has officially commenced. The market resolves to Yes for whichever team wins the match after play has begun. If the match is cancelled before any ball is played due to injury, walkover, forfeiture, or other circumstances, the market resolves to a fair price per standard rules. Should the match be postponed or delayed, the market remains open and closes following the rescheduled match completion within two weeks.

Frequently asked questions

Prediction markets like those tracked here operate on peer-to-peer pricing, where traders directly set odds through supply and demand rather than a bookmaker's margin. This often produces tighter spreads and faster price discovery than traditional sportsbooks, especially for niche matchups. However, sportsbooks may offer better liquidity and faster settlement. Comparing this market's implied probabilities to major sportsbook lines can reveal arbitrage opportunities, though regulatory and liquidity constraints typically prevent pure risk-free trades.

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, funding models, and regulatory frameworks, leading to natural price variation. Polymarket's global user base and lower barriers to entry may produce different consensus than Kalshi's U.S.-focused, regulated environment. Liquidity depth, fee structures, and the timing of large trades also drive wedges between platforms. Savvy traders monitor these gaps to identify mispricings and execute cross-platform strategies before prices converge.

Player injuries, fitness updates, or withdrawal announcements can trigger sharp repricing. Recent head-to-head records, court conditions, and draw positioning also influence trader conviction. Media coverage and expert commentary often precede retail trader activity, moving odds hours or days before the match. Last-minute lineup changes or coaching decisions may create volatility. Tracking player social media, official tournament updates, and pre-match press conferences helps traders anticipate moves and adjust positions ahead of the crowd.