TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 8, 11:38 PM EST
Polymarket
This market refers to the tennis match between Rafalentino Ali Da Costa and Shanker Heisnam in the M15 Bali, Main Draw, originally scheduled for September 8, 2026 at 9:00PM ET. This market will resolve to 'Rafalentino Ali Da Costa' if Rafalentino Ali Da Costa advances against Shanker Heisnam. This market will resolve to 'Shanker Heisnam' if Shanker Heisnam advances against Rafalentino Ali Da Costa. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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 Rafalentino Ali Da Costa and Shanker Heisnam in the M15 Bali, Main Draw, originally scheduled for September 8, 2026 at 9:00PM ET. This market will resolve to 'Rafalentino Ali Da Costa' if Rafalentino Ali Da Costa advances against Shanker Heisnam. This market will resolve to 'Shanker Heisnam' if Shanker Heisnam advances against Rafalentino Ali Da Costa. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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.
Prediction market odds often reflect the wisdom of the crowd, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on internal models and risk management, while this market’s odds are driven by the collective predictions of traders. It’s common to see discrepancies between the two, especially before a significant amount of trading occurs. These differences can arise from varying levels of information, biases, or simply differing interpretations of the players’ form. Examining both can provide a more comprehensive view of the likely outcome.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the likelihood of each outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more traders buy shares in a particular player, the price increases, reflecting growing confidence in their victory. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price dynamically adjusts based on supply and demand, providing a real-time assessment of the perceived probabilities. This creates a market-driven forecast, distinct from static odds offered elsewhere.
This market resolves around Sep 16, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the M15 Bali tennis match between Rafalentino Ali Da Costa and Shanker Heisnam. The platform will verify the winner through official tournament results and reporting. The outcome of this market will then be determined based on which player ultimately wins the match, as documented by these sources. The process ensures a transparent and verifiable resolution.
Several factors could influence the trading activity and shift the odds in this market. Any news regarding player injuries, changes in playing conditions, or even updated rankings could prompt traders to reassess their predictions. Significant shifts in public opinion, perhaps driven by expert analysis or social media buzz, could also impact the market. Unexpected results in other matches involving these players, or even broader tournament upsets, might also cause traders to adjust their positions. Monitoring these signals can provide insight into potential market movements.