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%

BETA
Dashboards
Tour
All
Sports
Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang
polymarket
kalshi

Who will win Dudeney/Xu vs Hsieh/Wang?

Volume:
$20,651

Su-Wei Hsieh / Xinyu Wang

 - Kalshi

Su-Wei Hsieh / Xinyu Wang - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 2, 2026

Closed: Jul 2, 11:25 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

Su-Wei Hsieh / Xinyu Wang

View
100%
Yes 100¢No 0¢
100¢
N/A
$9,616
N/A
N/A
$9,273
Settled
Yes
polymarket

Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang

0%
Yes 0¢No 100¢
—
N/A
$6,342
N/A
N/A
N/A
Settled
Yes
kalshi

Alicia Dudeney / Mingge Xu

0%
Yes 0¢No 100¢
100¢
N/A
$4,242
N/A
N/A
$3,823
Settled
No
polymarket

Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang Set 2 Winner

0%
Yes 0¢No 100¢
—
N/A
$452
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

Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang Set 1 O/U 8.5

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

Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang Set 1 O/U 9.5

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

Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang Set 1 O/U 10.5

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

Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang 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

Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang Set 2 O/U 10.5

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

Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang Set Handicap +/-1.5

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

Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang Total Sets: O/U 2.5

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

Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang Match O/U 21.5

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

Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang Match O/U 22.5

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

Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang Match O/U 23.5

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

Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang Set 2 O/U 8.5

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

Wimbledon WTA (Doubles): Dudeney/Xu vs Hsieh/Wang Set 1 Winner

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 Wimbledon 2026 WTA Women's Doubles match scheduled for July 2, 2026 between the team of Alicia Dudeney and Mingge Xu against Su-Wei Hsieh and Xinyu Wang. Three prediction markets across Polymarket and Kalshi reference this same match but with materially different resolution criteria and edge-case handling.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Three distinct markets with overlapping but materially different resolution scopes: Polymarket Market 1 filters on match completion quality (normal play only), Polymarket Market 2 and Kalshi filter on winner determination with varying edge-case treatments. Forfeits, retirements, and walkovers trigger different outcomes across platforms.Hero tip: These are three separate markets with different payoff structures. Polymarket Market 1 is a completion-quality bet; Markets 2 and Kalshi are winner bets. A retirement mid-match will fail Polymarket Market 1 (No) but may succeed in Polymarket Market 2 (advancing team) and Kalshi (Yes, if ball played). Manage each position independently and monitor match status in real time.

Critical divergence points:

  • Polymarket Market 1 (Completed Match): Binary completion filter. Resolves Yes only if match is fully completed under normal play through all required games and sets. Resolves No on forfeit, walkover, retirement, cancellation, tie, or delay beyond 7 days. Primary source: official event statistics or credible consensus within 2 hours of conclusion. Key Quote: 'If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve No.'
  • Polymarket Market 2 (Winner): Winner determination with partial-play advancement. Resolves to advancing team if match begins and one team advances via opponent retirement, default, or disqualification. Resolves 50-50 on pre-match walkover, cancellation, tie, or delay beyond 7 days. Primary source: official WTA Tour information or credible consensus. Key Quote: '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.'
  • Kalshi (Winner After Ball Played): Winner determination with minimal contingency detail. Resolves Yes if either team wins after at least one ball is played. No explicit resolution rules for forfeits, walkovers, cancellations, or ties. Implicitly requires ball-in-play condition. Key Quote: 'If Alicia Dudeney / Mingge Xu wins the...match...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 Dudeney/Xu and Hsieh/Wang in the Wimbledon WTA, originally scheduled for July 2, 2026 at 6:00AM ET. This market will resolve to 'Dudeney/Xu' if the team of Dudeney/Xu advances against Hsieh/Wang. This market will resolve to 'Hsieh/Wang' if the team of Hsieh/Wang advances against Dudeney/Xu. 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, establishing that competition has commenced. The winning team is determined by standard professional tennis match rules. If the match fails to occur before play begins due to injury, walkover, forfeiture, or other cancellation, the market resolves to a fair price per standard procedures. Postponements or delays do not close the market; it remains open and resolves after the rescheduled match concludes, provided this occurs within two weeks of the original date.

Frequently asked questions

Prediction markets like these operate on crowd-sourced pricing rather than traditional sportsbook models. Instead of a bookmaker setting fixed odds and taking a margin, traders here buy and sell shares that reflect their genuine belief in an outcome. This mechanism often produces sharper, more efficient prices because traders have direct financial incentive to correct mispricings. Comparing this market's implied probabilities to major sportsbooks can reveal value opportunities, though prediction markets typically offer lower liquidity and tighter spreads than established betting venues.

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, liquidity pools, and fee structures, which can cause temporary price gaps. Polymarket and Kalshi also operate under different regulatory frameworks and user bases, meaning information diffuses at different speeds across each venue. Additionally, order-book depth and trading volume vary between the two, so large trades can move prices differently. These gaps typically narrow as arbitrageurs exploit the spread, but they create real-time trading opportunities for those monitoring both platforms simultaneously.

Player form, recent tournament results, and head-to-head records will influence trader sentiment leading up to the match. Injury announcements or withdrawal news involving any of the four players could trigger sharp repricing. Court conditions, draw positioning, and momentum from earlier rounds at Wimbledon may also shift expectations. Media coverage, expert commentary, and betting action on external sportsbooks can cascade into this market as traders react to new information. Weather delays or scheduling changes could affect player fatigue and preparation, creating additional volatility.