TOTAL VOLUME:

$134.1b

24H VOL:

$133,388,117

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,436,095,462

405,232

Markets across

30,526

events

MATCHED EVENTS:

2,693

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez
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What is the result of Kielan/Vliegen vs Marcos/Lopez?

Volume:
$282

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez

 - Polymarket

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 3, 2026

Closed: Sep 3, 11:51 AM EST

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Polymarket

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Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
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Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez

View
0%
Yes 0¢No 100¢
—
N/A
$282
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
polymarket

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez Set 1 Winner

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

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez Set 2 Winner

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

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez 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

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez Match O/U 21.5

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

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez Set 2 O/U 8.5

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

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez Set Handicap +/-1.5

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

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez Total Sets: O/U 2.5

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

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez Set 1 O/U 9.5

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

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez Set 2 O/U 9.5

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

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez Match O/U 22.5

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

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez Set Handicap +/-1.5

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

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez Set 1 O/U 10.5

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

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez Set 2 O/U 10.5

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

Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez Match O/U 23.5

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 doubles tennis match between Kielan/Vliegen and Marcos/Lopez in the Porto, originally scheduled for September 3, 2026 at 8:30AM ET. This market will resolve to 'Kielan/Vliegen' if the team of Kielan/Vliegen advances against Marcos/Lopez. This market will resolve to 'Marcos/Lopez' if the team of Marcos/Lopez advances against Kielan/Vliegen. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 17, 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 doubles tennis match between Kielan/Vliegen and Marcos/Lopez in the Porto, originally scheduled for September 3, 2026 at 8:30AM ET. This market will resolve to 'Kielan/Vliegen' if the team of Kielan/Vliegen advances against Marcos/Lopez. This market will resolve to 'Marcos/Lopez' if the team of Marcos/Lopez advances against Kielan/Vliegen. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 17, 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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

On Polymarket, the dashboard for the Porto doubles match tracks the current odds reflecting trader sentiment about the outcome of the Kielan/Vliegen versus Marcos/Lopez match. It also displays the price history of the market, allowing you to see how expectations have shifted over time. You can also view the 24-hour trading volume, currently at $282, and the total volume traded to date, which is $282. This provides a comprehensive overview of market activity and how traders are positioning themselves on this event.

Typically, prediction market odds offer a distinct perspective compared to traditional sportsbooks. Sportsbooks often incorporate a 'vig' or commission into their odds, while prediction markets aim to represent the true probability of an event occurring, as determined by the collective wisdom of traders. Therefore, you may find that this market’s implied probabilities differ from those offered by sportsbooks, potentially reflecting different information or biases. It’s common to see prediction markets more accurately forecast outcomes, especially when a large volume of traders participate.

This market resolves around Sep 10, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Porto doubles match between Kielan/Vliegen and Marcos/Lopez, as reported by a recognized tennis authority. The platform will verify the result against publicly available data to determine which outcome corresponds to the actual event result. Traders holding shares in the winning outcome will be entitled to a payout.

Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in team lineups, or even weather conditions affecting the match could prompt traders to reassess their predictions. Unexpected performance in preceding matches or significant shifts in public opinion could also drive price movements. Major upsets in other related tournaments or even commentary from tennis analysts could also contribute to changes in this market’s dynamics as traders react to new information.