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 20, 1:30 PM EST
Polymarket
This market refers to the tennis match between Martha Matoula and Elena Micic in the Athens Open, originally scheduled for July 13, 2026 at 1:30PM ET. This market will resolve to 'Martha Matoula' if Martha Matoula advances against Elena Micic. This market will resolve to 'Elena Micic' if Elena Micic advances against Martha Matoula. 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 Martha Matoula and Elena Micic in the Athens Open, originally scheduled for July 13, 2026 at 1:30PM ET. This market will resolve to 'Martha Matoula' if Martha Matoula advances against Elena Micic. This market will resolve to 'Elena Micic' if Elena Micic advances against Martha Matoula. 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 incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets are driven by trader consensus—each participant risks real capital on their belief. This market aggregates the views of many independent forecasters without a built-in house edge, which can lead to sharper, more reactive pricing during breaking developments. Comparing this market's implied probabilities to major sportsbooks can reveal where the crowd sees value or where conventional oddsmakers may lag in adjusting to new information.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the ratio of buy and sell volume determines the odds at any moment. As more traders back one player, that outcome's price rises and the opposing outcome falls, creating a self-balancing system. This mechanism ensures liquidity and allows traders to enter or exit positions without waiting for a counterparty, making the market responsive to new information and trader conviction.
This market resolves around Jul 20, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official result of the tennis match—whether Martha Matoula or Elena Micic wins. Traders holding shares in the winning outcome receive their payout, while shares in the losing outcome expire worthless. Until that point, prices fluctuate based on player news, betting patterns, and market sentiment.
Several catalysts can shift odds before Jul 20, 2026. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent tournament results, head-to-head records, and surface-specific form updates often influence trader positioning. Court conditions, weather forecasts, and draw-related developments can also sway sentiment. Media coverage highlighting momentum or controversy may prompt rapid trading activity. Additionally, betting action from professional syndicates or sudden shifts in public perception can create volatility. Traders monitoring these signals closely often spot mispricings before the broader market adjusts.