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 21, 7:59 PM EST
Polymarket
This market refers to the tennis match between Niklas Guttau and Aryan Shah in the ITF Men Uslar, originally scheduled for July 14, 2026 at 7:59PM ET. This market will resolve to 'Niklas Guttau' if Niklas Guttau advances against Aryan Shah. This market will resolve to 'Aryan Shah' if Aryan Shah advances against Niklas Guttau. 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 Niklas Guttau and Aryan Shah in the ITF Men Uslar, originally scheduled for July 14, 2026 at 7:59PM ET. This market will resolve to 'Niklas Guttau' if Niklas Guttau advances against Aryan Shah. This market will resolve to 'Aryan Shah' if Aryan Shah advances against Niklas Guttau. 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 odds to balance liability and extract a margin, while prediction markets aggregate trader beliefs through continuous price discovery. For this market, prediction market participants may price in longer-term player trajectory or less-obvious form signals that traditional sportsbooks overlook. Conversely, sportsbooks may incorporate sharper professional betting syndicates. Comparing the two can reveal arbitrage opportunities or highlight where crowd sentiment on Polymarket differs from professional oddsmakers' views on the likely winner.
On Polymarket, this market is priced through an automated market maker that adjusts odds based on trader buy and sell orders. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As traders accumulate shares in one outcome, the price moves to reflect the updated probability. The market depth and order flow determine how quickly prices shift when new information emerges. Polymarket's transparent on-chain settlement and real-time pricing mean you can see exactly how the crowd is valuing each player's chances at any moment. Fees on trades are minimal, encouraging active participation and tight bid-ask spreads.
This market resolves around Jul 21, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winner will be determined by the official match result from the ITF Uslar tournament. Once the match concludes and the result is publicly available, the market will settle to reflect the actual winner. Traders holding shares in the correct outcome receive their payout, while incorrect positions expire worthless. The resolution process is automated once the event data is confirmed.
Several factors could shift odds before Jul 21, 2026. Recent tournament results or ranking changes for either player may trigger repricing as traders reassess form and momentum. Injury announcements or withdrawal news would cause sharp moves. Court surface conditions, weather forecasts, or head-to-head history becoming more salient could also influence pricing. Betting patterns from professional syndicates or sudden volume spikes often signal new information entering the market. Player statements, coaching changes, or performance in warm-up events leading into Uslar could all catalyze trader repositioning and alter the implied probability on Polymarket.