TOTAL VOLUME:

$134.2b

24H VOL:

$126,590,312

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,439,516,703

404,175

Markets across

30,277

events

MATCHED EVENTS:

2,685

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Halle Open: Fabian Marozsan vs Miomir Kecmanovic
kalshi
polymarket

Halle Open: Fabian Marozsan vs Miomir Kecmanovic

Volume:
$341,737

Halle Open: Fabian Marozsan vs Miomir Kecmanovic

 - Polymarket

Halle Open: Fabian Marozsan vs Miomir Kecmanovic - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 16, 2026

Closed: Jun 22, 4:00 AM EST

polymarket

Polymarket

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

Halle Open: Fabian Marozsan vs Miomir Kecmanovic

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$330,832
N/A
N/A
N/A
Settled
Yes
kalshi

Over 23.5 games

View
100%
Yes 100¢No 0¢
100¢
N/A
$4,031
N/A
N/A
$4,027
Settled
Yes
polymarket

Halle Open: Fabian Marozsan vs Miomir Kecmanovic Match O/U 23.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$275
N/A
N/A
N/A
Settled
Yes
kalshi

Over 18.5 games

View
100%
Yes 100¢No 0¢
100¢
N/A
$3,622
N/A
N/A
$3,621
Settled
Yes
polymarket

Halle Open: Fabian Marozsan vs Miomir Kecmanovic Total Sets: O/U 2.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$604
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Fabian Marozsan vs Miomir Kecmanovic Set 1 Winner

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$532
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Fabian Marozsan vs Miomir Kecmanovic Match O/U 21.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$205
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Fabian Marozsan vs Miomir Kecmanovic Set 1 O/U 8.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$200
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Fabian Marozsan vs Miomir Kecmanovic Set 2 O/U 8.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$200
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Fabian Marozsan vs Miomir Kecmanovic Match O/U 22.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$19
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Fabian Marozsan vs Miomir Kecmanovic Set Handicap +/-1.5

View
0%
Yes 0¢No 100¢
—
N/A
$940
N/A
N/A
N/A
Settled
Yes
kalshi

Over 28.5 games

View
0%
Yes 0¢No 100¢
100¢
N/A
$127
N/A
N/A
$97
Settled
No
polymarket

Halle Open: Fabian Marozsan vs Miomir Kecmanovic Set 2 O/U 10.5

View
0%
Yes 0¢No 100¢
—
N/A
$61
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Fabian Marozsan vs Miomir Kecmanovic Set 1 O/U 10.5

View
0%
Yes 0¢No 100¢
—
N/A
$53
N/A
N/A
N/A
Settled
Yes
polymarket

Halle Open: Fabian Marozsan vs Miomir Kecmanovic Set 2 Winner

View
0%
Yes 0¢No 100¢
—
N/A
$36
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

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

Halle Open: Fabian Marozsan vs Miomir Kecmanovic 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

Halle Open: Fabian Marozsan vs Miomir Kecmanovic Set 2 O/U 9.5

View
0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 18

Description

This event group covers a professional tennis match between Fabian Marozsan and Miomir Kecmanovic at the 2026 ATP Halle Open, scheduled for June 15, 2026. Markets track both the match winner and the total number of games played, with separate resolution criteria for match completion and game thresholds.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Kalshi and Polymarket measure fundamentally different settlement values: Kalshi tracks total game count thresholds, while Polymarket tracks match winner and completion status. No logical contradiction exists, but traders must understand these are separate outcome families.Hero tip: Do not assume Kalshi and Polymarket markets will move together. A match that ends 2-0 in sets (typically 12-14 games) resolves No on all Kalshi markets but Yes on Polymarket's completion market and to the winner on Polymarket's winner market. Conversely, a 3-set marathon (25+ games) resolves Yes on all Kalshi markets and Yes on Polymarket completion, but winner determination is independent. Retirement or walkover scenarios: Polymarket winner resolves to the advancing player or 50-50 (walkover only); Polymarket completion resolves No; Kalshi game-count markets resolve based on games actually played before the event ended.

Critical divergence points:

  • Kalshi: Three binary markets on game count thresholds. Resolves Yes if total completed games exceed 18.5, 23.5, or 28.5 respectively. No mention of match winner, completion status, or edge cases like retirement. Quote: 'If the number of completed games in the full match is above [threshold]...then the market resolves to Yes.'
  • Polymarket: Two separate markets: (1) Winner market resolves to Marozsan or Kecmanovic if either advances; resolves 50-50 for walkover, cancellation, or delay beyond 7 days. (2) Completion market resolves Yes only if match is played to completion through normal play; resolves No for any forfeit, retirement, walkover, cancellation, or delay beyond 7 days. Quote: 'This market will resolve to the player who advances' and 'This market will resolve to Yes if all games and sets required to determine a match winner...are played to completion through normal play.'
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 Fabian Marozsan and Miomir Kecmanovic in the Halle Open, originally scheduled for June 15, 2026 at 4:00AM ET. This market will resolve to 'Fabian Marozsan' if Fabian Marozsan advances against Miomir Kecmanovic. This market will resolve to 'Miomir Kecmanovic' if Miomir Kecmanovic advances against Fabian Marozsan. 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 ATP Tour. A consensus of credible reporting may also be used.

Kalshi

The event resolves based on the total number of completed games in the full match between Fabian Marozsan and Miomir Kecmanovic at the 2026 ATP Halle Round of 32. If the match does not occur before play begins due to injury, walkover, forfeiture, or cancellation, the market resolves to fair price. If postponed or delayed, the market remains open and closes after the rescheduled match concludes within two weeks. If a player retires, markets that can be unconditionally settled based on completed play resolve accordingly; those that cannot are settled at fair market price at the Exchange's discretion.

Frequently asked questions

Prediction markets like those tracked here operate on peer-to-peer pricing, where traders directly buy and sell shares reflecting their belief in each outcome. Sportsbooks, by contrast, set fixed odds and manage liability through margin. Prediction market odds often reflect sharper, more dynamic consensus because they aggregate dispersed information and update continuously. However, sportsbook odds may incorporate additional factors like injury reports or late-breaking news faster in some cases. Comparing this market's prices to major sportsbooks can reveal value opportunities or consensus shifts.

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 may also settle outcomes using slightly different verification timelines or data sources, creating arbitrage opportunities. Regulatory differences and user interface design influence order flow patterns too. These spreads typically narrow as the event date approaches and more capital flows to the cheaper venue, but monitoring both platforms helps you identify mispricings and execute smarter trades.

Key catalysts include player injury announcements, recent tournament performance, head-to-head records, and court conditions at the Halle Open venue. Betting syndicates and sharp money often move prices ahead of major tournaments, so watch for sudden volume spikes or directional shifts. Media coverage highlighting either player's form, ranking changes, or pre-match commentary can also shift trader sentiment. Weather, scheduling delays, and lineup confirmations closer to the event date will create final repricing opportunities before the match begins.