TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 17, 2:55 PM EST
Kalshi
This market tracks the total number of games played in the professional tennis match between Talia Gibson and Qinwen Zheng at the 2026 WTA Nottingham Open, with aggregated data from Polymarket and Kalshi showing 100.0% consensus on the over/under 22.5 games threshold. Resolution will be determined by official WTA records at wtatennis.com. Watch for the match scheduled on June 17, 2026 at 5:00 AM ET, as match completion and any early retirements or walkovers could affect how the game total resolves across platforms.
This market refers to the tennis match between Talia Gibson and Qinwen Zheng in the Nottingham Open, originally scheduled for June 17, 2026 at 5:00AM ET. This market will resolve to 'Talia Gibson' if Talia Gibson advances against Qinwen Zheng. This market will resolve to 'Qinwen Zheng' if Qinwen Zheng advances against Talia Gibson. 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.
Resolution requires that a ball be played in the match, confirming it has officially started. If the match does not occur before play begins due to injury, walkover, forfeiture, or other cancellation, the market resolves to a fair price. Postponements or delays do not close the market; it remains open until the rescheduled match concludes, provided this occurs within two weeks of the original date.
Prediction market odds reflect real-time trader consensus and can diverge significantly from traditional sportsbook lines. Sportsbooks set odds to balance liability and profit margin, while prediction markets aggregate decentralized belief through continuous trading. This market often moves faster than sportsbooks when new information emerges, and the crowd-sourced nature of prediction platforms can sometimes surface edges that bookmakers have not yet repriced. Comparing the two reveals whether public perception on this match leans bullish or bearish relative to professional oddsmakers.
Polymarket and Kalshi can show different odds on the same match outcome due to variations in user base, liquidity depth, and trading incentives. Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Platform-specific factors—such as fee structures, available order types, and regional trader participation—create natural price discovery gaps. Arbitrage traders exploit these spreads, but friction costs and settlement risk mean prices need not converge perfectly. Monitoring both venues gives you a fuller picture of where informed traders actually stand on this match.
Recent form, head-to-head records, and injury updates are primary catalysts for price movement in this market. Court surface conditions at Nottingham, player fitness disclosures, and pre-match media commentary can shift trader conviction. Betting action from professional syndicates often precedes retail movement, so volume spikes may signal informed positioning. Weather delays, opponent results in earlier rounds, and any coaching or equipment changes could also influence odds as the event date approaches.