TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
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2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
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PLATFORM COVERAGE:
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Polymarket:
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Kalshi:
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Closed: Sep 1, 4:34 PM EST
Kalshi
This market focuses on predicting which player will win the first set in an upcoming tennis match between Mirra Andreeva and Janice Tjen at the 2026 US Open. The outcome depends solely on the result of Set 1, regardless of how the overall match proceeds. It reflects the competitive dynamics and performance of both players in the early stages of their encounter.
If Mirra Andreeva wins set 1 in the Mirra Andreeva vs Janice Tjen professional tennis match in the 2026 US Open Women Singles Round Of 128, then the market resolves to Yes. If Janice Tjen wins set 1 in the Mirra Andreeva vs Janice Tjen professional tennis match in the 2026 US Open Women Singles Round Of 128, then the market resolves to Yes.
On Kalshi, the Set 1 winner market reflects trader sentiment through dynamic pricing, often showing tighter spreads than traditional sportsbook lines. While sportsbooks may incorporate broader market factors and adjusted risk parameters, this market offers a pure probability view shaped solely by participant activity. The difference can highlight where retail traders diverge from institutional sports betting models, especially in niche or emerging matchups. Traders should weigh both sources, noting that this market’s price captures unique insights from its participant pool rather than sportsbook adjustments.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, traders manually set prices based on their expectations for who will win the first set. The current top outcome reflects the aggregate wisdom of participants, with volume of $41,228 indicating overall interest. Prices adjust continuously as new bets are placed, capturing shifts in sentiment around player performance and match dynamics.
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 is determined by official match records, and the platform will update this market accordingly. Timing aligns closely with the match schedule, ensuring traders can track real-time progress and react before resolution locks in.
Key signals include player form leading up to the match, injury updates, and any last-minute changes to the lineup. Weather conditions or court surface details could also impact performance expectations. As the match begins, early game dynamics — such as breaks of serve or momentum shifts — may cause rapid price adjustments. Traders should monitor pre-match news and in-play statistics, as they often drive significant movement in this market right up to resolution.