TOTAL VOLUME:

$134b

24H VOL:

$107,351,958

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,416,970,024

400,720

Markets across

30,097

events

MATCHED EVENTS:

2,633

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Tour
All
Sports
US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard
polymarket

What is the result of Helioevaara/Patten vs Andreozzi/Guinard?

Volume:
$4,032

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard

 - Polymarket

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 10, 2026

Closed: Sep 9, 10:29 PM EST

polymarket

Polymarket

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

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$4,015
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard Set Handicap +/-1.5

0%
Yes 0¢No 100¢
—
N/A
$16
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

100%
Yes 100¢No 0¢
18¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard Set 1 Winner

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

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard Set 2 Winner

100%
Yes 100¢No 0¢
0.9¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard Total Sets: O/U 2.5

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

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard Set 1 O/U 8.5

100%
Yes 100¢No 0¢
18¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard 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

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard 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

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard 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

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard 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

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard 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

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard Match O/U 21.5

100%
Yes 100¢No 0¢
19¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard Match O/U 22.5

100%
Yes 100¢No 0¢
19¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard Match O/U 23.5

100%
Yes 100¢No 0¢
19¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP (Doubles): Helioevaara/Patten vs Andreozzi/Guinard Set Handicap +/-1.5

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 Helioevaara/Patten and Andreozzi/Guinard in the US Open ATP, originally scheduled for September 9, 2026 at 7:00PM ET. This market will resolve to 'Helioevaara/Patten' if the team of Helioevaara/Patten advances against Andreozzi/Guinard. This market will resolve to 'Andreozzi/Guinard' if the team of Andreozzi/Guinard advances against Helioevaara/Patten. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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 Helioevaara/Patten and Andreozzi/Guinard in the US Open ATP, originally scheduled for September 9, 2026 at 7:00PM ET. This market will resolve to 'Helioevaara/Patten' if the team of Helioevaara/Patten advances against Andreozzi/Guinard. This market will resolve to 'Andreozzi/Guinard' if the team of Andreozzi/Guinard advances against Helioevaara/Patten. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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 US Open doubles match tracks the current odds offered by traders, the price history of the market, and the 24-hour trading volume. Currently, the volume is $4,032, and total volume to date is $4,032. This allows participants to see how confidence in a particular outcome—Helioevaara/Patten winning versus Andreozzi/Guinard—is evolving as new information becomes available. The dashboard provides a real-time view of market sentiment and activity surrounding this event.

Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks often set initial lines based on statistical models and expert analysis, while this market allows anyone to trade on their beliefs. If a significant discrepancy exists, arbitrage opportunities may arise, where traders can profit by simultaneously betting on both platforms. However, it’s important to remember that prediction market odds are dynamic and change based on trading activity, potentially converging with or diverging from sportsbook lines as the event approaches.

On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of a share directly corresponds to the probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price fluctuates based on supply and demand; increased buying pressure drives the price up, indicating growing confidence in that outcome, while selling pressure lowers it. This dynamic pricing reflects the collective intelligence of the traders on the platform.

This market resolves around Sep 16, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the US Open doubles match between Helioevaara/Patten and Andreozzi/Guinard. The platform will verify the result against official tournament data to determine which team emerged victorious and settle the market accordingly. Traders should monitor official sources for confirmation of the final score and resolution details.

Several factors could influence trading activity and move this market before resolution. Any news regarding player injuries, changes in playing conditions, or updates on team strategy could impact trader sentiment. Strong performances by either team in preceding matches, or even unexpected weather forecasts affecting the match schedule, could also shift the odds. Furthermore, large volume trades from informed participants could signal new information or a change in market perception, leading to price fluctuations in this market.