TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 19, 8:30 AM EST
Polymarket
This market refers to the tennis match between Tatiana Pieri and Alina Granwehr in the ITF Women Nice, originally scheduled for June 12, 2026 at 8:30AM ET. This market will resolve to 'Tatiana Pieri' if Tatiana Pieri advances against Alina Granwehr. This market will resolve to 'Alina Granwehr' if Alina Granwehr advances against Tatiana Pieri. 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 Tatiana Pieri and Alina Granwehr in the ITF Women Nice, originally scheduled for June 12, 2026 at 8:30AM ET. This market will resolve to 'Tatiana Pieri' if Tatiana Pieri advances against Alina Granwehr. This market will resolve to 'Alina Granwehr' if Alina Granwehr advances against Tatiana Pieri. 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 lock in profit margins, while prediction markets rely on trader consensus to price outcomes. This market aggregates the collective judgment of many independent traders without the intermediary markup typical of traditional sportsbooks. Over time, prediction markets have proven competitive with or more accurate than sportsbook lines, especially when traders have strong information or expertise in tennis outcomes.
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 aggregate belief of all participants: higher prices indicate stronger conviction that an outcome will occur. As new information surfaces—injuries, recent form, or head-to-head records—traders adjust their positions, moving prices in real time. This continuous price discovery mechanism ensures the market reflects the latest available information about the match.
This market resolves around Jun 19, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winning outcome will be determined by the official result of the match as recorded by the tournament organizers and major sports news sources. Traders holding shares in the correct outcome will receive their payout once the result is finalized and verified. Until that point, prices may fluctuate as new developments or late-breaking information influence trader expectations.
Several factors could shift prices significantly before the match concludes. Player injury announcements or withdrawal news would trigger sharp moves, as would unexpected changes to court conditions or match scheduling. Recent tournament results, head-to-head records, or updated rankings may prompt traders to reassess probabilities. Betting activity on traditional sportsbooks or social media sentiment can also influence prediction market prices. Any credible reporting on player form, mental state, or external circumstances affecting either competitor could drive meaningful repricing in this market.