TOTAL VOLUME:
$154.3b
24H VOL:
$228,458,490
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,879,276,037
410,833
Markets across
40,345
events
MATCHED EVENTS:
4,363
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 11, 10:44 PM EST
Polymarket
This market refers to the tennis match between Gabriel Roveri Sidney and Laelson Rodrigues in the M15 Maringa, Qualifying, originally scheduled for October 11, 2026 at 10:00AM ET. This market will resolve to 'Gabriel Roveri Sidney' if Gabriel Roveri Sidney advances against Laelson Rodrigues. This market will resolve to 'Laelson Rodrigues' if Laelson Rodrigues advances against Gabriel Roveri Sidney. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 25, 2026, 11:59 PM ET (14 days after the scheduled start), 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 Gabriel Roveri Sidney and Laelson Rodrigues in the M15 Maringa, Qualifying, originally scheduled for October 11, 2026 at 10:00AM ET. This market will resolve to 'Gabriel Roveri Sidney' if Gabriel Roveri Sidney advances against Laelson Rodrigues. This market will resolve to 'Laelson Rodrigues' if Laelson Rodrigues advances against Gabriel Roveri Sidney. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 25, 2026, 11:59 PM ET (14 days after the scheduled start), 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.
Often, prediction market odds reflect a different perspective than those found at traditional sportsbooks. Sportsbooks incorporate a 'vig' or commission into their odds, ensuring a profit margin, while Polymarket allows traders to directly assess probabilities. This can lead to differences in implied probabilities, especially when there's strong public sentiment or insider information not yet reflected in sportsbook lines. It's common to see discrepancies, with this market potentially offering more favorable odds for certain outcomes depending on the collective wisdom of traders. Comparing the two can reveal where value might exist.
On Polymarket, this market is priced through a continuous trading mechanism where users buy and sell shares representing different outcomes. The price of each share reflects the market's collective belief about the probability of that outcome occurring. As more traders buy shares in a particular outcome, its price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market's price movements are driven by supply and demand, influenced by news, analysis, and overall trader sentiment regarding the upcoming fight between Gabriel Roveri Sidney and Laelson Rodrigues. The current implied probabilities are visible on the dashboard.
This market resolves around Oct 18, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the fight between Gabriel Roveri Sidney and Laelson Rodrigues, as determined by the event organizers. The platform will rely on publicly available and trustworthy sources to verify the winner, ensuring a transparent and accurate resolution process. Traders will then be able to claim their winnings or adjust their positions based on the final result.
Several signals could significantly impact this market. Any news regarding the fighters' health, training progress, or potential injuries would be a major catalyst. Official weigh-in results, pre-fight press conferences, and changes in betting odds at traditional sportsbooks could also influence trader behavior. Unexpected announcements about the fight's location or rules could also cause shifts in the market. Ultimately, any information that alters the perceived probability of either fighter winning is likely to move the market price before Oct 18, 2026.