TOTAL VOLUME:
$134b
24H VOL:
$87,997,338
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,395,155,069
395,664
Markets across
30,076
events
MATCHED EVENTS:
2,626
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 29, 7:58 PM EST
Kalshi
Ariana Arseneault and Tatum Evans compete in a professional tennis match at the 2026 W100 Cary NC tournament. The match is scheduled for June 29 in the Round of 32 stage.
Resolution requires that a ball be played in the match. If the match does not occur before play begins due to injury, walkover, forfeiture, or other cancellation, all markets resolve to $0.50. If a player withdraws or forfeits after play has started, that player's market resolves to No. If the match is postponed or delayed, markets remain open and close after the rescheduled match concludes within two weeks.
Prediction market odds and sportsbook odds often diverge because they reflect different trader bases and incentive structures. Sportsbooks set odds to balance action and lock in profit margins, while prediction markets aggregate beliefs from thousands of independent traders betting real money on outcomes. This market may show different implied probabilities than traditional sportsbooks, offering an alternative gauge of how the broader trading community views the matchup's likely result.
On Kalshi, this market is priced through continuous order-book trading, where buyers and sellers set the odds by placing bids and asks. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders can enter or exit positions at any time before the market closes, and the last traded price reflects the consensus valuation at that moment. Liquidity and trading volume directly influence how quickly prices adjust to new information about the fighters.
This market resolves around Jun 30, 2026, once the event concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official fight result, eliminating ambiguity about which fighter prevailed. Until that point, traders can adjust their positions as new training footage, injury reports, or other relevant developments emerge.
Key catalysts include fighter injuries, training camp updates, official weigh-in results, and any changes to the bout's venue or date. Social media activity, analyst commentary, and betting action from sharp bettors can also shift market prices rapidly. Major news—such as a fighter pulling out or a significant rule change—would likely trigger sharp repricing as traders reassess probabilities and adjust their holdings accordingly.