TOTAL VOLUME:

$134.2b

24H VOL:

$143,246,370

24H TRANSACTIONS:

2,403,290,006

OPEN INTEREST:

$1,452,035,386

405,032

Markets across

30,543

events

MATCHED EVENTS:

2,690

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Tour
All
Sports
W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka
polymarket

What is the result of Kisa Yoshioka vs Rira Kosaka?

Volume:
$4,462

Completed Match

 - Polymarket

Completed Match - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 10, 2026

Closed: Sep 10, 12:37 AM EST

polymarket

Polymarket

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

Completed Match

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$2,860
N/A
N/A
N/A
Settled
Yes
polymarket

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka

100%
Yes 100¢No 0¢
0.1¢
N/A
$1,562
N/A
N/A
N/A
Settled
Yes
polymarket

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka Set Handicap +/-1.5

0%
Yes 0¢No 100¢
—
N/A
$40
N/A
N/A
N/A
Settled
Yes
polymarket

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka Set 1 Winner

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

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka Set 2 Winner

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

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka Total Sets: O/U 2.5

100%
Yes 100¢No 0¢
19¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka Set 1 O/U 8.5

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

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka Set 1 O/U 9.5

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

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka Set 1 O/U 10.5

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

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka Set 2 O/U 8.5

100%
Yes 100¢No 0¢
18¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka Set 2 O/U 9.5

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

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka Set 2 O/U 10.5

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

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka Match O/U 21.5

100%
Yes 100¢No 0¢
19¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka Match O/U 22.5

100%
Yes 100¢No 0¢
19¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka Match O/U 23.5

100%
Yes 100¢No 0¢
19¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

W15 Yeongwol: Kisa Yoshioka vs Rira Kosaka Set Handicap +/-1.5

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

Description

This market refers to the tennis match between Kisa Yoshioka and Rira Kosaka in the W15 Yeongwol, Main Draw, originally scheduled for September 9, 2026 at 9:00PM ET. This market will resolve to 'Kisa Yoshioka' if Kisa Yoshioka advances against Rira Kosaka. This market will resolve to 'Rira Kosaka' if Rira Kosaka advances against Kisa Yoshioka. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.

Polymarket

This market refers to the tennis match between Kisa Yoshioka and Rira Kosaka in the W15 Yeongwol, Main Draw, originally scheduled for September 9, 2026 at 9:00PM ET. This market will resolve to 'Kisa Yoshioka' if Kisa Yoshioka advances against Rira Kosaka. This market will resolve to 'Rira Kosaka' if Rira Kosaka advances against Kisa Yoshioka. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.

Frequently asked questions

On Polymarket, the dashboard for the Yoshioka vs Kosaka match tracks the current probabilities assigned to each possible outcome by traders. You'll find a visual representation of these odds, along with the total volume traded on this market—currently $4,462—and the 24-hour trading volume of $4,462. The dashboard also displays the implied probabilities, allowing you to understand how the market is collectively forecasting the result of this exciting matchup. This provides a real-time view of sentiment surrounding the event.

Prediction market odds often reflect a wisdom-of-the-crowd perspective, potentially differing from those set by sportsbooks. Sportsbooks establish initial lines based on their own analysis and aim to balance action on both sides, while this market relies on the collective insights of traders. If a significant discrepancy exists between prediction market probabilities and sportsbook odds, it could indicate that the market believes the sportsbook has mispriced the event, or that new information hasn't yet been fully incorporated into the sportsbook's lines. It's a fascinating comparison of different forecasting methods.

This market resolves around Sep 17, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the W15 Yeongwol match between Kisa Yoshioka and Rira Kosaka. The platform will verify the outcome against publicly available sources to determine which outcome corresponds to the actual result of the competition. Traders holding shares in the winning outcome will be entitled to a payout, while those holding shares in losing outcomes will not.

Several factors could influence the trading activity and price movements in this market. Any news regarding the players' form, potential injuries, or changes in their training regimens could shift trader sentiment. Unexpected announcements about the match conditions, such as weather forecasts or court surface changes, could also play a role. Furthermore, significant betting activity on sportsbooks or shifts in public opinion, as reflected in polls or social media, might prompt traders to reassess their positions and adjust their forecasts for the Yoshioka vs Kosaka match.