TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 14, 11:00 AM EST
Polymarket
This market refers to the tennis match between Momoko Kobori and Elizabeth Mandlik in the Newport, originally scheduled for July 7, 2026 at 11:00AM ET. This market will resolve to 'Momoko Kobori' if Momoko Kobori advances against Elizabeth Mandlik. This market will resolve to 'Elizabeth Mandlik' if Elizabeth Mandlik advances against Momoko Kobori. 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Momoko Kobori and Elizabeth Mandlik in the Newport, originally scheduled for July 7, 2026 at 11:00AM ET. This market will resolve to 'Momoko Kobori' if Momoko Kobori advances against Elizabeth Mandlik. This market will resolve to 'Elizabeth Mandlik' if Elizabeth Mandlik advances against Momoko Kobori. 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 WTA Tour. A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets aggregate the beliefs of traders risking real money on outcomes. This market's odds may move faster or differently than traditional sportsbooks, especially as new information emerges. Comparing the two can reveal where one venue sees value the other has missed, though both aim to reflect the true probability of the match result.
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 collective confidence of all active traders at any given moment. As new information surfaces—player form, injury reports, or betting patterns—traders adjust their positions, and prices shift accordingly. This continuous price discovery mechanism means the odds you see represent real-time market consensus rather than a static sportsbook line.
This market resolves around Jul 14, 2026, once the Newport match concludes and the result is verified against credible public sources. The outcome will be confirmed based on the official match result reported by recognized tennis authorities. Until that point, traders can continue to buy and sell shares as odds fluctuate. Resolution is automatic once the event is finalized and the winning outcome is locked in.
Several factors could shift odds before the match takes place. Player injury announcements, recent tournament performance, head-to-head records, and court surface conditions all influence trader sentiment. Media coverage and expert commentary may also sway the market as the event approaches. Weather forecasts, last-minute lineup changes, or unexpected player statements can trigger sharp price movements. Traders monitor these developments closely, repricing the market in real time as new information becomes available.