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

Polymarket:

39%

VS.

Kalshi:

61%

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Roehampton: Alafia ayeni vs Zach Stephens
polymarket

Roehampton: Alafia ayeni vs Zach Stephens

Volume:
$8,331

Roehampton: Alafia ayeni vs Zach Stephens

 - Polymarket

Roehampton: Alafia ayeni vs Zach Stephens - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 16, 2026

Closed: Aug 16, 11:58 AM EST

polymarket

Polymarket

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

Roehampton: Alafia ayeni vs Zach Stephens

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$8,331
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 2

Description

This market refers to the tennis match between Alafia ayeni and Zach Stephens in the Roehampton, Great Britain, Qualifying, originally scheduled for August 16, 2026 at 9:00AM ET. This market will resolve to 'Alafia ayeni' if Alafia ayeni advances against Zach Stephens. This market will resolve to 'Zach Stephens' if Zach Stephens advances against Alafia ayeni. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 ATP Tour. A consensus of credible reporting may also be used.

Polymarket

This market refers to the tennis match between Alafia ayeni and Zach Stephens in the Roehampton, Great Britain, Qualifying, originally scheduled for August 16, 2026 at 9:00AM ET. This market will resolve to 'Alafia ayeni' if Alafia ayeni advances against Zach Stephens. This market will resolve to 'Zach Stephens' if Zach Stephens advances against Alafia ayeni. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 ATP Tour. A consensus of credible reporting may also be used.

Frequently asked questions

Prediction market odds often differ from traditional sportsbook lines because they are driven by trader sentiment and real-time betting activity rather than set by oddsmakers. This market may show sharper movements in response to new information, such as training updates or injury reports, which can cause divergence from standard sportsbook prices.

This market resolves around Aug 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match conclusion, reflecting the winner or draw as recorded by authoritative sports organizations and broadcast sources.