TOTAL VOLUME:

$134.2b

24H VOL:

$143,246,370

24H TRANSACTIONS:

2,403,290,006

OPEN INTEREST:

$1,452,035,386

405,032

Markets across

30,543

events

MATCHED EVENTS:

2,690

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Tour
All
Sports
National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud
polymarket

Who will win Helioevaara/Patten vs Goransson/Ruud?

Volume:
$2,950

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud

 - Polymarket

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 9, 2026

Closed: Aug 8, 8:25 PM EST

polymarket

Polymarket

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

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud

View
100%
22%
Yes 100¢No 0¢
0.1¢
N/A
$2,870
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

100%
Yes 100¢No 0¢
0.1¢
N/A
$10
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud Set 2 Winner

100%
1%
Yes 100¢No 0¢
0.1¢
N/A
$10
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud Set 2 O/U 8.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$10
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud Set Handicap +/-1.5

100%
1%
Yes 100¢No 0¢
0.1¢
N/A
$5
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud Match O/U 21.5

100%
1%
Yes 100¢No 0¢
0.1¢
N/A
$5
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud Set 2 O/U 9.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$5
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud Match O/U 22.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$5
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud Set 2 O/U 10.5

100%
Yes 100¢No 0¢
0.1¢
N/A
$5
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud Total Sets: O/U 2.5

0%
99%
Yes 0¢No 100¢
—
N/A
$10
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud Set Handicap +/-1.5

0%
99%
Yes 0¢No 100¢
—
N/A
$10
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud Match O/U 23.5

0%
99%
Yes 0¢No 100¢
—
N/A
$5
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud Set 1 Winner

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

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud Set 1 O/U 8.5

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

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud 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

National Bank Open (Doubles): Helioevaara/Patten vs Goransson/Ruud Set 1 O/U 10.5

0%
98%
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 Goransson/Ruud in the National Bank Open, originally scheduled for August 8, 2026 at 10:00AM ET. This market will resolve to 'Helioevaara/Patten' if the team of Helioevaara/Patten advances against Goransson/Ruud. This market will resolve to 'Goransson/Ruud' if the team of Goransson/Ruud advances against Helioevaara/Patten. 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 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 Goransson/Ruud in the National Bank Open, originally scheduled for August 8, 2026 at 10:00AM ET. This market will resolve to 'Helioevaara/Patten' if the team of Helioevaara/Patten advances against Goransson/Ruud. This market will resolve to 'Goransson/Ruud' if the team of Goransson/Ruud advances against Helioevaara/Patten. 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 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

This market resolves around Aug 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is based on the official match outcome, and the platform will update the market accordingly. No further analysis or interpretation is needed — the winner is simply the team that takes the court and secures victory in the National Bank Open doubles match, closing this market definitively.

Several signals could shift this market before it closes. Key factors include player injuries, recent match performance, weather conditions on match day, and any last-minute lineup changes. Media coverage and expert commentary may also sway trader sentiment. As Aug 15, 2026 approaches, any update that affects the perceived strength or chances of either team can cause rapid price adjustments. Monitoring official tournament announcements and player health reports will be crucial for tracking potential moves.