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 4, 10:00 PM EST
Polymarket
This market refers to the tennis match between Miho Kuramochi and Ayumi Miyamoto in the ITF Women Sapporo, originally scheduled for June 27, 2026 at 10:00PM ET. This market will resolve to 'Miho Kuramochi' if Miho Kuramochi advances against Ayumi Miyamoto. This market will resolve to 'Ayumi Miyamoto' if Ayumi Miyamoto advances against Miho Kuramochi. 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 Miho Kuramochi and Ayumi Miyamoto in the ITF Women Sapporo, originally scheduled for June 27, 2026 at 10:00PM ET. This market will resolve to 'Miho Kuramochi' if Miho Kuramochi advances against Ayumi Miyamoto. This market will resolve to 'Ayumi Miyamoto' if Ayumi Miyamoto advances against Miho Kuramochi. 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 aggregate the beliefs of traders risking real capital on outcomes. This market may show higher or lower implied probabilities than traditional sports betting sites, depending on which venue's participants have stronger conviction or better information about the players' current form and match conditions.
On Polymarket, traders set the odds by buying and selling shares representing each possible outcome, with the price reflecting the collective probability estimate at any moment. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market price adjusts in real time as new trades occur, so early movers and late traders may see different implied odds. Liquidity and trading volume influence how quickly prices respond to new information, and wider spreads may appear during periods of lower activity.
This market resolves around Jul 5, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect the actual winner of the match as documented by official tennis records and reliable sports news sources. Until that time, traders can continue to buy and sell shares based on their expectations, with prices fluctuating as match day approaches and any new developments emerge.
Several factors may shift trader sentiment before the match concludes. Recent performance updates, injury announcements, or changes in player ranking or form could trigger significant repricing. Court conditions, weather forecasts, and head-to-head history may also influence expectations. News coverage, expert analysis, and betting action on traditional sportsbooks can signal shifting confidence levels. As the match date approaches, any official confirmations or last-minute developments will likely drive volatility in this market.