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 9, 9:31 AM EST
Polymarket
This market tracks whether the tennis match between Elise Mertens and Iga Swiatek in the China Open will be completed. Currently, Polymarket gives a 100.0% probability to “China Open: Completed Match: Elise Mertens vs Iga Swiatek”. The resolution source for this market is the official WTA Tennis scores page at https://www.wtatennis.com/scores. Keep an eye on the originally scheduled match time of October 7, 2026 at 11:00PM ET, as that is when the initial signal for match completion—or potential postponement—will become available.
This market refers to the tennis match between Elise Mertens and Iga Swiatek in the China Open, originally scheduled for October 7, 2026 at 11:00PM ET. This market will resolve to 'Elise Mertens' if Elise Mertens advances against Iga Swiatek. This market will resolve to 'Iga Swiatek' if Iga Swiatek advances against Elise Mertens. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 21, 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 WTA Tour. A consensus of credible reporting may also be used.
Prediction market odds often reflect the wisdom of the crowd, potentially differing from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market allows anyone to express their belief about the outcome. If a significant discrepancy exists, arbitrage opportunities may arise, where traders can profit by simultaneously betting on Polymarket and a sportsbook. Generally, the more liquid a market like this becomes, the more closely its odds align with those offered by established sportsbooks, but differences can still occur due to varying information and perspectives.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in the likelihood of a particular outcome. As more shares are purchased for a specific outcome, its price increases, reflecting a higher implied probability. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of a share directly corresponds to the perceived chance of that outcome occurring. This dynamic pricing ensures that the market reflects the collective intelligence of all participants trading on Polymarket.
This market resolves around Oct 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the China Open women's match between Elise Mertens and Iga Swiatek, as declared by the tournament organizers. The market will determine which player won the match, and shares will pay out accordingly based on the final result. The outcome will be determined by the official tournament results, ensuring a clear and verifiable resolution process.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly impact the perceived probabilities. Unexpected results in earlier rounds of the China Open, or even broader trends in women’s tennis, could also cause traders to reassess their positions. Public sentiment, expert analysis, and even social media discussions can all contribute to price movements as traders react to new information and adjust their forecasts before the market resolves.