TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 19, 2:00 PM EST
Polymarket
This market refers to the tennis match between Kaylan Bigun and Gus Grumet in the ITF Men Los Angeles, originally scheduled for June 12, 2026 at 2:00PM ET. This market will resolve to 'Kaylan Bigun' if Kaylan Bigun advances against Gus Grumet. This market will resolve to 'Gus Grumet' if Gus Grumet advances against Kaylan Bigun. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Kaylan Bigun and Gus Grumet in the ITF Men Los Angeles, originally scheduled for June 12, 2026 at 2:00PM ET. This market will resolve to 'Kaylan Bigun' if Kaylan Bigun advances against Gus Grumet. This market will resolve to 'Gus Grumet' if Gus Grumet advances against Kaylan Bigun. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they operate under different incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets rely on traders' genuine beliefs about outcomes. This market may reflect sharper or more current information than traditional sportsbooks, especially for lower-profile tennis events where sportsbook liquidity is thin. Comparing the two can reveal whether the crowd on Polymarket is more or less bullish than the betting market consensus.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the cumulative belief of all traders participating in this market. As new information surfaces—injury reports, recent form, head-to-head records—traders adjust their positions, moving the odds in real time. Higher trading volume typically narrows the spread between bid and ask prices, making the market more efficient.
This market resolves around Jun 19, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will be determined by the official match conclusion—whether Kaylan Bigun or Gus Grumet wins the ITF Los Angeles contest. Once the match concludes and the winner is publicly documented, the market will settle accordingly, paying out holders of the winning outcome share.
Several factors could shift odds before the match takes place. Recent tournament results, player rankings, and head-to-head records will influence trader positioning. Injury announcements or withdrawal news could trigger sharp moves. Court surface conditions, weather forecasts, and draw-related developments may also sway sentiment. As the match date approaches, any changes to player form, confidence, or external circumstances will likely prompt traders to reassess their positions, creating price volatility in this market.