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

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39%

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Kalshi:

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Yuliia Starodubtseva vs Ella Seidel: Set 1 Winner
kalshi

Yuliia Starodubtseva vs Ella Seidel: Set 1 Winner

Volume:
$6,632

Yuliia Starodubtseva

 - Kalshi

Yuliia Starodubtseva - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 1, 2026

Closed: Sep 1, 3:45 PM EST

kalshi

Kalshi

View
Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Yuliia Starodubtseva

View
100%
Yes 100¢No 0¢
1¢
N/A
$3,590
N/A
N/A
$3,049
Settled
Yes
kalshi

Ella Seidel

0%
Yes 0¢No 100¢
1¢
N/A
$3,042
N/A
N/A
$2,394
Settled
No
Total markets: 2

Description

This market focuses on determining which player will win the first set of a tennis match between Yuliia Starodubtseva and Ella Seidel at the 2026 US Open. The outcome depends solely on the result of the initial set, regardless of how the overall match proceeds. Settlement considers potential match disruptions such as injuries, cancellations, or retirements.

Kalshi

If Yuliia Starodubtseva wins set 1 in the Yuliia Starodubtseva vs Ella Seidel professional tennis match in the 2026 US Open Women Singles Round Of 128, then the market resolves to Yes. If Ella Seidel wins set 1 in the Yuliia Starodubtseva vs Ella Seidel professional tennis match in the 2026 US Open Women Singles Round Of 128, then the market resolves to Yes.

Frequently asked questions

Prediction market odds on Kalshi for this market often differ from traditional sportsbook lines due to unique trader dynamics and real-time updates. While sportsbooks may set their lines days in advance based on analytics and public betting patterns, prediction markets adjust instantly as new information emerges — such as player form, injuries, or weather conditions. This can lead to tighter spreads or more volatile pricing on Kalshi, especially as the match approaches. Traders should compare both sources but note that Kalshi reflects crowd-sourced, decentralized sentiment rather than fixed sportsbook projections.

This market resolves around Aug 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match records, which will declare the winner of the first set. Traders can track confirmed results through sports news outlets, tournament websites, and accredited statistics providers, ensuring transparency and reliability once the match concludes.

Several signals could shift this market before it settles. Key updates include player injuries, recent form in practice sessions, weather conditions affecting play, and strategic adjustments made by coaches. High-profile analyst commentary or betting trends on Kalshi may also influence trader sentiment. As the match nears, any last-minute news — such as a surprise lineup change or performance metrics from warm-ups — can cause rapid swings in odds and volume.