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: Jun 13, 7:20 AM EST
Kalshi
This market tracks the outcome of the 2026 ATP Stuttgart Quarterfinal between Ben Shelton and Sho Shimabukuro on Kalshi. Ben Shelton is currently at 70.0% to win the match, while Sho Shimabukuro is at 34.0%. The market resolves based on the official result of their professional tennis match as determined by ATP records. Watch for the match itself on June 12, 2026, which will determine the final resolution.
If Ben Shelton wins the Shelton vs Shimabukuro professional tennis match in the 2026 ATP Stuttgart Quarterfinal after a ball has been played, then the market resolves to Yes. If Sho Shimabukuro wins the Shelton vs Shimabukuro professional tennis match in the 2026 ATP Stuttgart Quarterfinal after a ball has been played, then the market resolves to Yes.
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 margin, while prediction markets aggregate the beliefs of traders risking real capital. This market attracts participants who may have specialized knowledge or different risk tolerances than typical sportsbook bettors, sometimes leading to materially different implied probabilities. Comparing the two can reveal where consensus differs and highlight potential value or contrarian positioning.
On Kalshi, this market is priced through a continuous order-book mechanism where traders submit bids and offers on outcome shares. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome contract reflects the consensus probability among active traders at any given moment. As new information surfaces or trading volume shifts, prices adjust in real time. Liquidity and spread width depend on the number of participants and their conviction, so monitoring order depth helps you understand execution costs and market depth.
This market resolves around Jun 13, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winning outcome is determined by the official match result, verified against established sports news sources and tournament records. Once the match concludes and the result is confirmed, the market settles and traders receive payouts based on their positions. Early resolution is possible if the match is cancelled or postponed under circumstances that trigger predefined market rules.
Key catalysts include player injury reports, recent tournament performance, head-to-head records, and court surface conditions on match day. Changes in player ranking or seeding, coaching staff updates, or public statements about form and readiness can shift trader sentiment quickly. Weather forecasts, if relevant to the venue, and last-minute lineup confirmations may also trigger volatility. Media coverage and expert commentary often amplify price movements as the event approaches, especially if unexpected developments emerge in the days leading up to the match.