TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 31, 11:58 AM EST
Kalshi
This market tracks the outcome of the first set in a professional tennis match between Lilli Tagger and Tamara Korpatsch at the 2026 US Open. It focuses specifically on determining which player will claim victory in the initial set of their Round of 128 encounter. The result reflects the competitive performance of both athletes in the early stages of their match.
The market resolves based on which player wins the first set of the Lilli Tagger vs Tamara Korpatsch professional tennis match in the 2026 US Open Women Singles Round of 128. If the match does not occur before any play due to injury, walkover, forfeiture, or cancellation, it resolves to a fair price. Postponements or delays keep the market open until the rescheduled match concludes within two weeks. If a player retires during the match, markets that can be settled based on completed play resolve accordingly, while unresolved markets 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 dynamically based on real-time trading activity and volume of $9,003, while sportsbooks set their lines using a mix of historical data, analyst input, and risk management. The two can diverge because prediction markets capture crowd wisdom without institutional overhead. For this market, the current implied probability shows how traders weight each player's chances differently than typical sportsbook adjustments might.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, traders determine the price through a continuous order-book system where buyers and sellers post their own bids and asks. The displayed top outcome chance reflects the aggregate of all active orders, and any shifts in trading volume or large limit orders can quickly adjust the implied probability for each player.
This market resolves around Aug 30, 2026, with the outcome confirmed once the match result is verifiable from credible public reporting. The winner of the first set will be the final settled value, and all open positions close at that moment based on the officially recorded score.
Key updates like player form, injury reports, or weather conditions could shift this market before Aug 30, 2026. Any last-minute changes in tournament scheduling or surface conditions may also impact trader sentiment. As the match approaches, early set dynamics or breaks of serve can cause rapid price swings. Volume of $9,003 may rise sharply around these developments, reflecting updated expectations for the Set 1 winner.