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: Aug 31, 12:54 PM EST
Kalshi
This market focuses on determining the winner of the second set in a specific tennis match between two players at the 2026 US Open. It reflects the competitive performance of the athletes during that particular segment of play. Outcomes depend entirely on the players' abilities and strategies within the context of that set.
The market resolves based on which player wins the second set of the specified tennis match at the 2026 US Open Women Singles Round Of 128. If the match fails to commence due to injury, walkover, forfeiture, or cancellation before any ball is played, the market settles at a fair price. Postponements or delays keep the market open until the rescheduled match concludes, with a two-week window for closure. In cases of retirement during the match, markets that can be definitively settled using completed play data will do so, while unresolved markets will settle at a Fair Market Price determined by the Exchange. Kalshi disclaims any official affiliation with the governing league, and all trademarks remain property of their respective owners.
On Kalshi, this market reflects trader sentiment rather than traditional sportsbook lines. Prediction market odds adjust continuously based on real-time trading activity, while sportsbooks often set fixed lines with built-in margins. Traders may see different implied probabilities depending on market dynamics and liquidity. The difference can highlight where speculative interest lies versus established betting markets. For participants, comparing both can provide insight into where perceived value or risk diverges between predictive and gambling frameworks.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, this market is priced through continuous trading, where participants buy and sell contracts based on their outlook for the outcome. The current probability reflects the most recent trading activity and available volume of $27,746. As the event approaches, trader sentiment, new information, and shifts in expected performance can all influence price movements. Liquidity levels, represented by 24-hour volume of $27,746, also affect how prices adjust to new data or market interest.
This market resolves around Aug 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winner of set two will be the official result, closing this market and determining payouts for all positions based on the final score.
Several signals could shift this market before Aug 30, 2026. Key match performance metrics such as recent form, head-to-head statistics, and any last-minute player updates or injuries may influence trader sentiment. Broader factors like court conditions, weather (if applicable), and even shifting betting trends can feed into market dynamics. As the match nears, any public analysis, expert predictions, or social media buzz around the competitors is likely to trigger trading activity and price adjustments.