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%

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HSBC Championships: Ugo Humbert vs Marin Cilic
kalshi
polymarket

HSBC Championships: Ugo Humbert vs Marin Cilic

Volume:
$1,339,240

Ugo Humbert

all

2 markets

Kalshi

Polymarket

consensus

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 16, 2026

Closed: Jun 16, 1:05 PM 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

Ugo Humbert

View
100%
Yes 100¢No 0¢
100¢
N/A
$452,481
N/A
N/A
$225,120
Settled
Yes
polymarket

HSBC Championships: Ugo Humbert vs Marin Cilic

100%
Yes 100¢No 0¢
0.1¢
N/A
$371,686
N/A
N/A
N/A
Settled
Yes
polymarket

HSBC Championships: Ugo Humbert vs Marin Cilic Set 1 Winner

100%
Yes 100¢No 0¢
0.1¢
N/A
$1,037
N/A
N/A
N/A
Settled
Yes
polymarket

HSBC Championships: Ugo Humbert vs Marin Cilic Set 1 O/U 10.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$174
N/A
N/A
N/A
Settled
Yes
polymarket

HSBC Championships: Ugo Humbert vs Marin Cilic Set 1 O/U 8.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$69
N/A
N/A
N/A
Settled
Yes
polymarket

HSBC Championships: Ugo Humbert vs Marin Cilic Set Handicap +/-1.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$63
N/A
N/A
N/A
Settled
Yes
polymarket

HSBC Championships: Ugo Humbert vs Marin Cilic Set 1 O/U 9.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$25
N/A
N/A
N/A
Settled
Yes
polymarket

HSBC Championships: Ugo Humbert vs Marin Cilic Set 2 O/U 8.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$5
N/A
N/A
N/A
Settled
Yes
polymarket

HSBC Championships: Ugo Humbert vs Marin Cilic Set 2 Winner

100%
Yes 100¢No 0¢
0.1¢
N/A
$4
N/A
N/A
N/A
Settled
Yes
kalshi

Marin Cilic

0%
Yes 0¢No 100¢
100¢
N/A
$513,525
N/A
N/A
$279,213
Settled
No
polymarket

HSBC Championships: Ugo Humbert vs Marin Cilic Set Handicap +/-1.5

0%
Yes 0¢No 100¢
—
N/A
$113
N/A
N/A
N/A
Settled
Yes
polymarket

HSBC Championships: Ugo Humbert vs Marin Cilic Match O/U 22.5

0%
Yes 0¢No 100¢
—
N/A
$20
N/A
N/A
N/A
Settled
Yes
polymarket

HSBC Championships: Ugo Humbert vs Marin Cilic Total Sets: O/U 2.5

0%
Yes 0¢No 100¢
—
N/A
$17
N/A
N/A
N/A
Settled
Yes
polymarket

HSBC Championships: Ugo Humbert vs Marin Cilic Match O/U 21.5

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

HSBC Championships: Ugo Humbert vs Marin Cilic Set 2 O/U 9.5

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

HSBC Championships: Ugo Humbert vs Marin Cilic Set 2 O/U 10.5

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

HSBC Championships: Ugo Humbert vs Marin Cilic Match O/U 23.5

0%
Yes 0¢No 100¢
—
N/A
$5
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
Total markets: 18

Intro

This market tracks the outcome of the professional tennis match between Ugo Humbert and Marin Cilic at the 2026 HSBC Championships in London. Aggregated across Kalshi and Polymarket, the consensus probability for Humbert to win with a -1.5 set handicap stands at 100.0%, according to the resolution source defining a Yes outcome as Humbert winning after a ball has been played. Watch for the scheduled match on June 15, 2026 at 4:00 AM ET to determine the final result.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Kalshi's binary completion logic (any play = YES) diverges from Polymarket's dual-market structure, which separates match completion (requires full normal play) from match winner (allows retirement advancement). Retirement and walkover scenarios produce conflicting outcomes.Hero tip: If trading for match winner outcome, use Polymarket's winner market (resolves to advancing player on retirement). If trading for match completion, use Polymarket's completion market (resolves NO on retirement). Avoid Kalshi if you expect a retirement, as it will resolve YES regardless of completion status.

Critical divergence points:

  • Kalshi: Binary completion market: Resolves YES if either player wins after a ball is played. No distinction between normal completion and retirement/default. Key Quote: 'If Ugo Humbert wins the Humbert vs Cilic professional tennis match...after a ball has been played, then the market resolves to Yes.'
  • Polymarket (Completion Market): Resolves YES only if match is fully completed through normal play to determine a winner. Resolves NO for any non-completion scenario including retirement, default, walkover, cancellation, or delay beyond 7 days. Key Quote: 'This market will resolve to Yes if all games and sets required to determine a match winner...are played to completion through normal play. Otherwise...it will resolve to No.'
  • Polymarket (Winner Market): Resolves to the advancing player if match begins but is not completed due to retirement/default/disqualification. Resolves 50-50 for pre-match walkover or cancellation. Key Quote: '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.'
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 Ugo Humbert and Marin Cilic in the HSBC Championships, originally scheduled for June 15, 2026 at 4:00AM ET. This market will resolve to 'Ugo Humbert' if Ugo Humbert advances against Marin Cilic. This market will resolve to 'Marin Cilic' if Marin Cilic advances against Ugo Humbert. 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

Resolution requires that a ball has been played in the match. If the match does not occur before play begins due to player injury, walkover, forfeiture, or other cancellation, the market resolves to a fair price. If the match is postponed or delayed, the market remains open and closes after the rescheduled match concludes within two weeks.

Frequently asked questions

Prediction markets like Kalshi and Polymarket operate on continuous order books where traders directly set prices, whereas traditional sportsbooks employ oddsmakers and adjust lines to balance liability. Prediction market prices often reflect longer-term conviction and can be more efficient at incorporating public information, since participants have real capital at stake and face no house edge. However, sportsbooks may move faster on breaking news or injury reports due to dedicated risk management teams. For this match, comparing the implied probabilities here to major sportsbook lines can reveal whether the broader betting public views the matchup differently than decentralized traders.

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 risk appetites. Kalshi operates under U.S. regulatory oversight with structured position limits, while Polymarket operates globally with fewer constraints, drawing international capital. Differences in fee structures, user interface design, and marketing also fragment liquidity. Additionally, traders may hold stronger convictions on one venue and concentrate their capital there, or arbitrage opportunities may persist temporarily due to slow order-book synchronization. Monitoring both prices helps you identify mispricings and understand which platform's crowd is more confident in a given outcome.

Key catalysts include recent head-to-head performance, court surface conditions, and player form leading into the tournament. Injury announcements or withdrawal news for either player would trigger sharp repricing. Betting market activity on external sportsbooks can also influence prediction market traders, especially if sharp money moves significantly. Practice session reports, weather forecasts, and seeding announcements may shift sentiment incrementally. Media coverage highlighting one player's momentum or fitness concerns can accelerate price movement. Watch for late-breaking lineup changes or tournament logistics updates that could affect match scheduling or player readiness.