TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 15, 1:00 PM EST
Polymarket
This market refers to the tennis match between Alexis Nguyen and Kenzie Nguyen in the ITF Women Rancho Santa Fe, originally scheduled for July 8, 2026 at 1:00PM ET. This market will resolve to 'Alexis Nguyen' if Alexis Nguyen advances against Kenzie Nguyen. This market will resolve to 'Kenzie Nguyen' if Kenzie Nguyen advances against Alexis Nguyen. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Alexis Nguyen and Kenzie Nguyen in the ITF Women Rancho Santa Fe, originally scheduled for July 8, 2026 at 1:00PM ET. This market will resolve to 'Alexis Nguyen' if Alexis Nguyen advances against Kenzie Nguyen. This market will resolve to 'Kenzie Nguyen' if Kenzie Nguyen advances against Alexis Nguyen. 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 International Tennis Federation (ITF). 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 protect their margins, while prediction markets like this one are driven by trader consensus seeking profit. Prediction markets may price outcomes more efficiently over time since participants have direct financial exposure to accuracy. However, sportsbooks benefit from professional oddsmaking expertise and real-time adjustment. Comparing the two can reveal where public perception differs from professional assessment.
On Polymarket, traders set the odds through an automated market maker that adjusts prices based on buy and sell volume. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more shares purchased for a given outcome, the higher its price rises, and vice versa. This mechanism ensures continuous liquidity and reflects the collective belief of all active traders at any moment. Prices converge toward fundamental probabilities as new information enters the market, rewarding accurate predictions and penalizing poor ones.
This market resolves around Jul 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution hinges on the official match result as documented by the tournament organizer and recognized sports databases. Once the match concludes and the winner is officially recorded, the market settles accordingly. Traders holding shares in the correct outcome receive their payout, while incorrect positions expire worthless.
Player injury announcements, recent match results, and court surface conditions can all shift market prices significantly. Withdrawal or retirement news would trigger immediate repricing. Changes in player ranking, fitness updates, or head-to-head record developments may also influence trader sentiment. Media coverage and expert commentary can sway perception, especially if new tactical insights or performance concerns emerge. Weather forecasts closer to the event date and any scheduling changes could introduce additional volatility as traders reassess probabilities.