TOTAL VOLUME:

$134.2b

24H VOL:

$126,324,530

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,434,646,834

406,019

Markets across

30,401

events

MATCHED EVENTS:

2,689

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Hamburg: Jamie Mackenzie vs Jan Kumstat
polymarket

Hamburg: Jamie Mackenzie vs Jan Kumstat

Volume:
$180,206

Completed Match

 - Polymarket

Completed Match - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 11, 2026

Closed: Aug 11, 7:24 PM EST

polymarket

Polymarket

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

Completed Match

View
100%
2%
Yes 100¢No 0¢
0.1¢
N/A
$2,154
N/A
N/A
N/A
Settled
Yes
polymarket

Hamburg: Jamie Mackenzie vs Jan Kumstat Set 1 Winner

100%
Yes 100¢No 0¢
0.1¢
N/A
$1,194
N/A
N/A
N/A
Settled
Yes
polymarket

Hamburg: Jamie Mackenzie vs Jan Kumstat Match O/U 21.5

100%
2%
Yes 100¢No 0¢
0.1¢
N/A
$20
N/A
N/A
N/A
Settled
Yes
polymarket

Hamburg: Jamie Mackenzie vs Jan Kumstat Total Sets: O/U 2.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$6
N/A
N/A
N/A
Settled
Yes
polymarket

Hamburg: Jamie Mackenzie vs Jan Kumstat

0%
32%
Yes 0¢No 100¢
—
N/A
$176,228
N/A
N/A
N/A
Settled
Yes
polymarket

Hamburg: Jamie Mackenzie vs Jan Kumstat Set Handicap +/-1.5

0%
98%
Yes 0¢No 100¢
—
N/A
$414
N/A
N/A
N/A
Settled
Yes
polymarket

Hamburg: Jamie Mackenzie vs Jan Kumstat Set 2 Winner

0%
Yes 0¢No 100¢
—
N/A
$165
N/A
N/A
N/A
Settled
Yes
polymarket

Hamburg: Jamie Mackenzie vs Jan Kumstat Set Handicap +/-1.5

0%
98%
Yes 0¢No 100¢
—
N/A
$26
N/A
N/A
N/A
Settled
Yes
polymarket

Hamburg: Jamie Mackenzie vs Jan Kumstat Set 2 O/U 8.5

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

Hamburg: Jamie Mackenzie vs Jan Kumstat Set 1 O/U 8.5

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

Hamburg: Jamie Mackenzie vs Jan Kumstat Set 2 O/U 9.5

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

Hamburg: Jamie Mackenzie vs Jan Kumstat Set 1 O/U 9.5

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

Hamburg: Jamie Mackenzie vs Jan Kumstat Match O/U 22.5

100%
2%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Hamburg: Jamie Mackenzie vs Jan Kumstat Match O/U 23.5

100%
2%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Hamburg: Jamie Mackenzie vs Jan Kumstat Set 1 O/U 10.5

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

Hamburg: Jamie Mackenzie vs Jan Kumstat Set 2 O/U 10.5

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 Jamie Mackenzie and Jan Kumstat in the Hamburg, originally scheduled for August 11, 2026 at 4:00AM ET. This market will resolve to 'Jamie Mackenzie' if Jamie Mackenzie advances against Jan Kumstat. This market will resolve to 'Jan Kumstat' if Jan Kumstat advances against Jamie Mackenzie. 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 Jamie Mackenzie and Jan Kumstat in the Hamburg, originally scheduled for August 11, 2026 at 4:00AM ET. This market will resolve to 'Jamie Mackenzie' if Jamie Mackenzie advances against Jan Kumstat. This market will resolve to 'Jan Kumstat' if Jan Kumstat advances against Jamie Mackenzie. 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 markets often differ from traditional sportsbook odds because they reflect aggregated trader sentiment rather than set bookmaker lines. In this market, traders are currently pricing the contest with a strong bias toward one fighter, which may appear more extreme than typical sportsbook spreads. The gap can highlight where informed traders see value or where public opinion diverges from sharp money. Watching both sides provides a broader sense of expectations leading up to fight night.

This market resolves around Aug 18, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official contest outcome — the winner by decision, knockout, or other recognized methods — as reported through authoritative sports news sources and the event's official record. After the fight concludes, the market updates to reflect the confirmed result based on these public records.

Key signals that could shift this market include pre-fight media appearances, training updates, injury reports, and changes in betting volumes on Polymarket. Significant developments — such as a fighter’s performance in a press conference, a training camp setback, or a surge in public betting — may cause rapid price adjustments. Traders will also watch for any last-minute changes in fight odds from major sportsbooks, as these can influence sentiment and trigger further movement on Polymarket before the event.