TOTAL VOLUME:
$154.6b
24H VOL:
$323,326,361
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,969,435,260
419,363
Markets across
40,411
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 8, 5:40 AM EST
Polymarket
This market tracks whether Marcos Giron will advance against Sebastian Baez in their scheduled match at the Shanghai Rolex Masters. Currently, Polymarket gives a 100.0% probability to the outcome of “Shanghai Rolex Masters: Completed Match: Marcos Giron vs Sebastian Baez”. Resolution will be based on the official scores reported at https://www.atptour.com/en/scores/current. Keep an eye on the match itself, originally scheduled for October 6, 2026 at 10:00PM ET, as the completion of the match will trigger resolution of this market.
This market refers to the tennis match between Marcos Giron and Sebastian Baez in the Shanghai Rolex Masters, originally scheduled for October 6, 2026 at 10:00PM ET. This market will resolve to 'Marcos Giron' if Marcos Giron advances against Sebastian Baez. This market will resolve to 'Sebastian Baez' if Sebastian Baez advances against Marcos Giron. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 20, 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 ATP Tour. A consensus of credible reporting may also be used.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome of the Giron vs Baez match. The price of these shares directly reflects the probability of that outcome occurring. As more traders buy shares in a particular outcome, its price increases, and the implied probability rises. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price is determined entirely by supply and demand among traders on the platform, creating a dynamic and real-time assessment of the event’s likelihood. This differs from fixed-odds betting, where the odds are set by a bookmaker.
This market resolves around Oct 14, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on the official result of the match between Marcos Giron and Sebastian Baez, as reported by a recognized tennis authority. The market will settle to 100% for the winning outcome, and 0% for the losing outcome. Any incomplete or abandoned match will be handled according to the platform’s rules, but the primary determinant is the officially recorded result of the contest.
Several factors could influence the probabilities in this market before the Oct 14, 2026 resolution. Any news regarding player injuries, changes in playing conditions (such as weather), or updates on player form could significantly shift trader sentiment. Unexpected results in other matches involving these players, or even broader tournament upsets, might also cause movement. Furthermore, large trades by influential market participants could create short-term price fluctuations. Monitoring tennis news and observing trading volume on Polymarket will be key to understanding potential shifts in this market.