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
Lexus Eastbourne Open: Petra Marcinko vs Madison Keys
limitless
polymarket

Who will win Petra Marcinko vs Madison Keys?

Volume:
$328,232

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys Set Handicap +/-1.5

 - Polymarket

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys Set Handicap +/-1.5 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 26, 2026

Closed: Jul 3, 7:30 AM EST

polymarket

Polymarket

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

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys Set Handicap +/-1.5

View
50%
Yes 50¢No 50¢
1¢
N/A
$19,806
N/A
N/A
N/A
Settled
No
polymarket

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys Match O/U 21.5

50%
Yes 50¢No 51¢
2¢
N/A
$508
N/A
N/A
N/A
Settled
No
polymarket

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys Total Sets: O/U 2.5

50%
Yes 50¢No 51¢
2¢
N/A
$282
N/A
N/A
N/A
Settled
No
polymarket

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys Set 2 Winner

50%
Yes 50¢No 51¢
2¢
N/A
$94
N/A
N/A
N/A
Settled
No
polymarket

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys Match O/U 22.5

50%
Yes 50¢No 51¢
2¢
N/A
$38
N/A
N/A
N/A
Settled
No
polymarket

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys Match O/U 23.5

50%
Yes 50¢No 51¢
2¢
N/A
$22
N/A
N/A
N/A
Settled
No
polymarket

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys Set 2 O/U 9.5

50%
Yes 50¢No 51¢
2¢
N/A
$20
N/A
N/A
N/A
Settled
No
polymarket

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys Set 2 O/U 10.5

50%
Yes 50¢No 51¢
2¢
N/A
$20
N/A
N/A
N/A
Settled
No
polymarket

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys

0%
Yes 0¢No 100¢
—
N/A
$306,362
N/A
N/A
N/A
Settled
Yes
limitless

Eastbourne Open: Petra Marcinko vs Madison Keys

0%
Yes 0¢No 100¢
5.9¢
N/A
$1
N/A
N/A
N/A
Settled
No
polymarket

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys Set 1 Winner

0%
Yes 0¢No 100¢
—
N/A
$986
N/A
N/A
N/A
Settled
Yes
polymarket

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys Set 1 O/U 8.5

0%
Yes 0¢No 100¢
—
N/A
$73
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

0%
Yes 0¢No 100¢
—
N/A
$15
N/A
N/A
N/A
Settled
No
polymarket

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys Set 1 O/U 10.5

0%
Yes 0¢No 100¢
—
N/A
$5
N/A
N/A
N/A
Settled
Yes
polymarket

Lexus Eastbourne Open: Petra Marcinko 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

Lexus Eastbourne Open: Petra Marcinko vs Madison Keys Set 2 O/U 8.5

50%
Yes 50¢No 51¢
2¢
N/A
N/A
N/A
N/A
N/A
Settled
No
Total markets: 16

Description

This event group covers the tennis match between Petra Marcinko and Madison Keys at the Lexus Eastbourne Open, originally scheduled for June 26, 2026 at 7:30 AM ET. The group includes 15 distinct markets spanning match completion, head-to-head winner, set winners, game totals across multiple thresholds, and set handicap betting.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Walkover and retirement handling differs between platforms. Polymarket treats forfeits as non-completion (NO resolution), while Limitless treats any official winner declaration as valid resolution. Additionally, Polymarket's head-to-head winner market (Q4) resolves 50-50 on walkover, creating internal inconsistency with its own completion market.Hero tip: If the match ends via walkover, retirement, or default: Polymarket completion market pays NO, Polymarket head-to-head pays 50-50, and Limitless head-to-head pays the advancing player. Avoid cross-platform arbitrage on these outcomes. For normal completion, all platforms align on official WTA statistics as the primary source.

Critical divergence points:

  • Polymarket (Match Completion, Q1): Resolves NO for any forfeit, walkover, retirement, or default. Quote: 'If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve to NO.'
  • Polymarket (Head-to-Head Winner, Q4): Resolves 50-50 on walkover before match start. Quote: 'If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.' But resolves to advancing player if retirement/default occurs during play.
  • Limitless (Head-to-Head Winner, Q1-Limitless): Resolves to officially declared winner regardless of method, including walkover, retirement, withdrawal, default, or disqualification. Quote: 'For the purposes of this market, a player officially declared the winner of the match will be considered to have defeated the opponent, including in cases of walkover, retirement, withdrawal, default, or disqualification.'
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 tennis match between Petra Marcinko and Madison Keys in the Lexus Eastbourne Open, originally scheduled for June 26, 2026 at 7:30AM ET. This market will resolve to 'Petra Marcinko' if Petra Marcinko advances against Madison Keys. This market will resolve to 'Madison Keys' if Madison Keys advances against Petra Marcinko. 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.

Limitless

This market will resolve to "Petra Marcinko" if Petra Marcinko defeats Madison Keys in their Eastbourne Open match originally scheduled for June 26, 2026, 11:33 UTC. It will resolve to "Madison Keys" if Madison Keys defeats Petra Marcinko. For the purposes of this market, a player officially declared the winner of the match will be considered to have defeated the opponent, including in cases of walkover, retirement, withdrawal, default, or disqualification.

Frequently asked questions

This dashboard aggregates prediction market activity across Polymarket and Limitless, tracking real-time odds on the Marcinko vs Keys tennis match at the Lexus Eastbourne Open. Traders on Polymarket are pricing a set handicap outcome, while Limitless offers a direct match winner format. The cross-platform view reveals consensus probability and trading volume, helping you compare how different market structures and participant bases value the same underlying event. Volume and price discovery vary by platform, offering insight into where the broader prediction market community leans.

Prediction market odds reflect real-time consensus from traders with financial skin in the game, often diverging from traditional sportsbook lines due to different participant pools and risk models. Sportsbooks set odds to balance liability and extract margin; prediction markets aggregate dispersed information through price discovery. This market may show sharper or slower movement than sportsbooks depending on liquidity, news flow, and the timing of major bets. Comparing both sources can reveal value opportunities and highlight where professional and retail sentiment diverge on the match outcome.

Polymarket and Limitless may price this market differently because Polymarket and Limitless can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract.. Polymarket uses a set handicap structure (Keys −1.5 vs Marcinko +1.5), while Limitless frames the outcome as a direct match winner, creating different risk profiles and attracting distinct trader bases. Liquidity depth, fee structures, and user demographics also influence pricing. These structural and operational differences mean identical events can trade at meaningfully different odds across platforms, rewarding traders who monitor both venues.

Key catalysts include player injury announcements, recent match results, head-to-head history updates, and court surface performance data. Betting action from professional syndicates or sharp money can also shift odds rapidly. Weather forecasts closer to the match date, player statements, and coaching changes may influence trader sentiment. Major upsets or news about either player's form in preceding rounds will likely trigger repricing. Social media momentum and mainstream sports coverage can amplify retail participation, creating volatility independent of fundamental match factors.