TOTAL VOLUME:

$134.1b

24H VOL:

$113,466,932

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,423,222,590

402,751

Markets across

30,217

events

MATCHED EVENTS:

2,632

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Porto: Roberto Carballes Baena vs William Rejchtman Vinciguerra
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Porto: Roberto Carballes Baena vs William Rejchtman Vinciguerra

Volume:
$10,596

Porto: Roberto Carballes Baena vs William Rejchtman Vinciguerra

 - Polymarket

Porto: Roberto Carballes Baena vs William Rejchtman Vinciguerra - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 30, 2026

Closed: Aug 30, 11:31 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
polymarket

Porto: Roberto Carballes Baena vs William Rejchtman Vinciguerra

View
100%
Yes 100¢No 0¢
0.5¢
N/A
$10,541
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

100%
Yes 100¢No 0¢
0.5¢
N/A
$55
N/A
N/A
N/A
Settled
Yes
Total markets: 2

Description

This market refers to the tennis match between Roberto Carballes Baena and William Rejchtman Vinciguerra in the Porto, Portugal, Qualifying, originally scheduled for August 30, 2026 at 6:10AM ET. This market will resolve to 'Roberto Carballes Baena' if Roberto Carballes Baena advances against William Rejchtman Vinciguerra. This market will resolve to 'William Rejchtman Vinciguerra' if William Rejchtman Vinciguerra advances against Roberto Carballes Baena. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 13, 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 ATP Tour. A consensus of credible reporting may also be used.

Polymarket

This market refers to the tennis match between Roberto Carballes Baena and William Rejchtman Vinciguerra in the Porto, Portugal, Qualifying, originally scheduled for August 30, 2026 at 6:10AM ET. This market will resolve to 'Roberto Carballes Baena' if Roberto Carballes Baena advances against William Rejchtman Vinciguerra. This market will resolve to 'William Rejchtman Vinciguerra' if William Rejchtman Vinciguerra advances against Roberto Carballes Baena. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 13, 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 ATP Tour. A consensus of credible reporting may also be used.

Frequently asked questions

The dashboard for the Porto tennis match market shows real-time odds, price changes over time, and 24-hour volume on Polymarket. It helps you monitor how traders are pricing the contest as it approaches the event date. You can see the top outcome probability and watch for any sudden shifts in sentiment or betting patterns that could signal new information or momentum swings in the competition.

Prediction market odds often differ from traditional sportsbook lines because they reflect the collective wisdom of traders rather than set bookmaker margins. In this market, the probability implied by trader bets may appear higher or lower than standard sportsbook lines depending on recent performance data, injuries, or weather conditions. Traders may also react faster to new information than sportsbooks, creating temporary mispricings that can be exploited.

On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders continuously submit bids and asks that determine the current implied probability for each possible outcome. The top outcome’s displayed chance reflects the best available price at any moment, adjusted for liquidity and recent trading volume. As new data emerges — such as player updates or betting trends — the market price can shift rapidly to reflect the latest consensus among participants.

This market resolves around Sep 6, 2026, with the outcome confirmed once the match result is verifiable from credible public reporting. The final determination will rely on official tournament results and widely accepted sports news sources, ensuring an accurate and transparent closing of positions for all traders involved.

Key signals that could shift this market include player injuries, changes to the match schedule, weather conditions affecting play, and recent form or performance metrics released before the event. Any unexpected developments — such as a sudden withdrawal or a change in tournament seeding — may also cause rapid adjustments in trader sentiment and implied probabilities as the contest draws nearer.