TOTAL VOLUME:

$134b

24H VOL:

$103,397,351

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,410,176,180

399,592

Markets across

30,097

events

MATCHED EVENTS:

2,622

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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US Open WTA: Yulia Starodubtseva vs Elena Rybakina
polymarket

What is the result of Yulia Starodubtseva vs Elena Rybakina?

Volume:
$633,442

Completed Match

 - Polymarket

Completed Match - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 6, 2026

Closed: Sep 5, 11:43 PM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Completed Match

View
100%
1%
Yes 100¢No 0¢
0.1¢
N/A
$4,322
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina Set Handicap +/-1.5

100%
28%
Yes 100¢No 0¢
0.1¢
N/A
$520
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina Match O/U 21.5

100%
52%
Yes 100¢No 0¢
0.1¢
N/A
$262
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina Set 1 O/U 8.5

100%
43%
Yes 100¢No 0¢
0.1¢
N/A
$45
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina

0%
Yes 0¢No 100¢
—
N/A
$617,409
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina Set 1 Winner

0%
15%
Yes 0¢No 100¢
—
N/A
$6,538
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina Match O/U 23.5

0%
36%
Yes 0¢No 100¢
—
N/A
$1,833
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina Game Spread +/-6.5

0%
43%
Yes 0¢No 100¢
—
N/A
$1,439
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina Set 2 Winner

0%
16%
Yes 0¢No 100¢
—
N/A
$697
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina Match O/U 22.5

0%
48%
Yes 0¢No 100¢
—
N/A
$371
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina Total Sets: O/U 2.5

0%
23%
Yes 0¢No 100¢
—
N/A
$7
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina Set 2 O/U 8.5

100%
1%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina Set 2 O/U 9.5

0%
99%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina Set 1 O/U 9.5

100%
1%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina Set 1 O/U 10.5

100%
79%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open WTA: Yulia Starodubtseva vs Elena Rybakina Set 2 O/U 10.5

0%
99%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 16

Intro

This market tracks whether Yulia Starodubtseva will advance against Elena Rybakina in their US Open WTA match, originally scheduled for September 5, 2026 at 11:00AM ET. Currently, Polymarket gives a 100.0% probability to “US Open WTA: Completed Match: Yulia Starodubtseva vs Elena Rybakina”. Resolution will be based on the official results reported at https://www.wtatennis.com/scores. Keep an eye on the match itself, as the outcome will be determined by the completion of the fixture on or before the resolution date of September 12, 2026.

Polymarket

This market refers to the tennis match between Yulia Starodubtseva and Elena Rybakina in the US Open WTA, originally scheduled for September 5, 2026 at 11:00AM ET. This market will resolve to 'Yulia Starodubtseva' if Yulia Starodubtseva advances against Elena Rybakina. This market will resolve to 'Elena Rybakina' if Elena Rybakina advances against Yulia Starodubtseva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 19, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.

Frequently asked questions

Prediction market odds often reflect the collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set initial lines based on statistical models and expert analysis, while this market’s odds are driven by individuals willing to put their capital behind their beliefs. Discrepancies can arise due to differing information, biases, or risk assessments. It's common to see prediction markets react more quickly to new information or shifts in sentiment than sportsbooks, though the ultimate outcome remains uncertain until the event concludes.

On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome of the Rybakina vs Starodubtseva match. The price of these shares fluctuates based on supply and demand, effectively creating a probability estimate. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The higher the demand for shares in a particular outcome, the higher the price, and thus the greater the implied probability. This dynamic pricing allows the market to incorporate new information and adjust expectations as the event approaches.

This market resolves around Sep 12, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Rybakina vs Starodubtseva match as reported by a recognized tennis authority. The platform will verify the result against these sources to determine which outcome corresponds to the actual event outcome. Traders who correctly predicted the result will be paid out according to the final market prices at resolution.

Several factors could influence the trading activity in this market. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could significantly shift the odds. Unexpected upsets in other matches within the US Open could also impact perceptions of player form and confidence. Furthermore, major shifts in public sentiment, potentially driven by social media or expert analysis, could lead to increased trading volume and price fluctuations as traders adjust their positions based on new information.