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

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39%

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M15 Columbia, SC: William Jansen vs Seydina Andre
⌛Ending Soon
polymarket

Who will win William Jansen vs Seydina Andre?

Volume:
$622

M15 Columbia, SC: William Jansen vs Seydina Andre

 - Polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 24, 2026

Closed: Sep 23, 9:17 PM EST

polymarket

Polymarket

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

M15 Columbia, SC: William Jansen vs Seydina Andre

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$622
N/A
N/A
N/A
21h
Yes
polymarket

Completed Match

100%
Yes 100¢No 0¢
1¢
N/A
N/A
N/A
N/A
N/A
21h
Yes
polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre Set 1 Winner

100%
Yes 100¢No 0¢
0.9¢
N/A
N/A
N/A
N/A
N/A
21h
Yes
polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre Set 2 Winner

100%
Yes 100¢No 0¢
0.9¢
N/A
N/A
N/A
N/A
N/A
21h
Yes
polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre Total Sets: O/U 2.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
21h
Yes
polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre Set 1 O/U 8.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
21h
Yes
polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre Set 1 O/U 9.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
21h
Yes
polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre Set 1 O/U 10.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
21h
Yes
polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre Set 2 O/U 8.5

100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
21h
Yes
polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre Set 2 O/U 9.5

100%
Yes 100¢No 0¢
0.9¢
N/A
N/A
N/A
N/A
N/A
21h
Yes
polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre Set 2 O/U 10.5

100%
Yes 100¢No 0¢
0.9¢
N/A
N/A
N/A
N/A
N/A
21h
Yes
polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre Match O/U 21.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
21h
Yes
polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre Match O/U 22.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
21h
Yes
polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre Match O/U 23.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
21h
Yes
polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre Set Handicap +/-1.5

100%
Yes 100¢No 0¢
0.9¢
N/A
N/A
N/A
N/A
N/A
21h
Yes
polymarket

M15 Columbia, SC: William Jansen vs Seydina Andre Set Handicap +/-1.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
21h
Yes
Total markets: 16

Description

This market refers to the tennis match between William Jansen and Seydina Andre in the M15 Columbia, SC, Main Draw, originally scheduled for September 23, 2026 at 2:00PM ET. This market will resolve to 'William Jansen' if William Jansen advances against Seydina Andre. This market will resolve to 'Seydina Andre' if Seydina Andre advances against William Jansen. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 7, 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 William Jansen and Seydina Andre in the M15 Columbia, SC, Main Draw, originally scheduled for September 23, 2026 at 2:00PM ET. This market will resolve to 'William Jansen' if William Jansen advances against Seydina Andre. This market will resolve to 'Seydina Andre' if Seydina Andre advances against William Jansen. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 7, 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 Jansen vs Andre match tracks the current odds, price history, and 24-hour trading volume. You can see how the implied probability of different outcomes changes over time, and monitor the total volume traded in this market. Currently, the 24-hour volume is $622, and the total volume is $622. This provides a real-time view of where traders are placing their bets on the outcome of this exciting match.

Generally, prediction market odds often reflect a wisdom-of-the-crowd effect, potentially differing from traditional sportsbook odds. Sportsbooks set lines based on their own models and to balance action, while this market aggregates the beliefs of many individual traders. Discrepancies can arise due to differing information, biases, or simply the dynamics of each venue. It’s common to see prediction markets move more quickly to incorporate new information than sportsbooks, though this isn’t always the case. Examining both can provide a more comprehensive view of expectations for the Jansen vs Andre match.

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 Jansen vs Andre match. The price of these shares directly reflects the implied probability of each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate, the price adjusts to reflect the collective assessment of the event. The current price indicates what traders are willing to pay for a share that pays out if their predicted outcome occurs, providing a dynamic and real-time assessment of the match’s potential results.

This market resolves around Sep 30, 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 William Jansen versus Seydina Andre match, as reported by a recognized and authoritative source for tennis results. The platform will verify the outcome against these sources to determine which shares will payout. Traders should monitor official sources for the final result to understand the resolution of this market.

Several factors could influence the price of shares in this market leading up to Sep 30, 2026. Any news regarding player form, injuries to either William Jansen or Seydina Andre, or changes in playing conditions could significantly shift expectations. Unexpected results in other matches involving these players, or even broader shifts in public opinion, could also impact trading activity. Major upsets in similar tournaments or analysis from tennis experts could also contribute to movements in this market as traders adjust their predictions.