TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 8, 4:00 AM EST
Polymarket
This market refers to the tennis match between Antonia Stoyanov and Iva Primorac in the ITF Women Amstelveen, originally scheduled for July 1, 2026 at 4:00AM ET. This market will resolve to 'Antonia Stoyanov' if Antonia Stoyanov advances against Iva Primorac. This market will resolve to 'Iva Primorac' if Iva Primorac advances against Antonia Stoyanov. 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 Antonia Stoyanov and Iva Primorac in the ITF Women Amstelveen, originally scheduled for July 1, 2026 at 4:00AM ET. This market will resolve to 'Antonia Stoyanov' if Antonia Stoyanov advances against Iva Primorac. This market will resolve to 'Iva Primorac' if Iva Primorac advances against Antonia Stoyanov. 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 pricing mechanisms. Sportsbooks set lines to balance their liability and incorporate a margin, while prediction markets like this one are priced by traders directly competing against each other. Prediction markets can sometimes offer sharper, more efficient pricing since they aggregate dispersed information from many participants with real money at stake. However, sportsbooks may move faster on breaking news or injuries. Comparing the two can reveal arbitrage opportunities or validate consensus views on the likely outcome.
On Polymarket, traders set the odds through an automated market maker that adjusts prices based on buy and sell pressure. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more capital flowing into one outcome, the higher its price climbs, and vice versa. Each share represents a fractional claim on the final result, and the current price reflects the collective belief of all active traders. Liquidity and trading volume influence how quickly prices move, so markets with deeper order books tend to show more stable pricing than thinly traded ones.
This market resolves around Jul 8, 2026, once the match between Stoyanov and Primorac concludes and the result is verifiable from credible public sources. The outcome is determined by the official match result recorded by the ITF and confirmed through established tennis reporting channels. Traders holding shares in the winning outcome receive their payout, while losing positions expire worthless. The resolution process is automated once the event data is confirmed, ensuring all participants receive timely settlement.
Several factors could shift odds before the match plays out. Player injuries, withdrawals, or fitness updates announced before the event would trigger sharp repricing. Recent form, head-to-head records, and surface preference—since this is an ITF clay event—matter to informed traders. Weather conditions on match day, court assignments, and any last-minute lineup changes could also influence trading. News about either player's ranking trajectory or recent tournament results may prompt traders to reassess probabilities. Real-time match flow, if live betting is active, could create volatility as the contest unfolds.