TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 30, 9:47 AM EST
Kalshi
Jaume Munar and Francisco Cerundolo compete in the first set of their 2026 Wimbledon Men's Singles Round of 128 match on June 29. The market determines which player wins this individual set.
Resolution depends on which player wins set 1 of the professional tennis match. If the match does not occur before play begins due to injury, walkover, forfeiture, or cancellation, the market resolves to a fair price. If postponed or delayed, the market remains open until the rescheduled match concludes within two weeks. If a player retires, markets that can be unconditionally settled based on completed play resolve accordingly; those that cannot are resolved to Fair Market Price at the Exchange's discretion.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and protect their margins, while prediction markets like this one are driven by traders risking real capital on their beliefs. Prediction markets can sometimes price outcomes more efficiently because participants have direct financial exposure and no house edge to protect. Comparing this market's odds to major sportsbooks may reveal mispricings, though both venues incorporate similar public information about player rankings, recent form, and head-to-head history.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell shares representing each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective belief in that outcome's probability, ranging from near-zero to near-100 cents. As new information emerges—such as player injuries, recent tournament results, or court conditions—traders adjust their positions, moving the price. The spread between bid and ask prices tightens as liquidity increases, rewarding active traders who provide depth to the market.
This market resolves around Jun 29, 2026, once the Munar vs Cerundolo match concludes and the first set winner is verified against credible public sources. The outcome is determined by which player wins the opening set according to official tennis scoring rules. No tiebreaker or extended play affects the result—the first player to win six games (with a two-game margin) claims the set. Resolution is typically confirmed within hours of match completion, allowing traders to settle their positions promptly.
Several factors could shift odds before the match begins or during play. Pre-match catalysts include recent tournament performance, head-to-head records, surface preference, and any injury announcements. Court conditions—such as humidity, temperature, and court speed—can favor one player's style and trigger repricing. During the set itself, early breaks, momentum swings, and service performance will drive real-time trading. News of lineup changes, coaching adjustments, or unexpected player form updates may also prompt traders to reposition. Monitoring these developments helps identify when this market's price may lag behind new information.