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%

BETA
Dashboards
Insights
Indices
Tour
All
Trending
Breaking
New
Ending Soon
Politics
Sports
Crypto
Companies
Elections
Financials
Economics
Other
Entertainment
Science and Technology
National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard
polymarket

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard

Volume:
$8,062

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Set Handicap +/-1.5

 - Polymarket

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Set Handicap +/-1.5 - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 9, 2026

Closed: Aug 8, 4:32 PM EST

polymarket

Polymarket

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

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Set Handicap +/-1.5

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

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Set 2 O/U 9.5

View
100%
Yes 100¢No 0¢
0.9¢
N/A
$10
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard

View
0%
Yes 0¢No 100¢
—
N/A
$7,852
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Set 1 Winner

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

Completed Match

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

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Set 2 O/U 8.5

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

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Set 2 Winner

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

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Total Sets: O/U 2.5

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

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Match O/U 21.5

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

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Set 1 O/U 8.5

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

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Set Handicap +/-1.5

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

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Match O/U 22.5

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

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Set 1 O/U 9.5

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

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Set 2 O/U 10.5

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

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Match O/U 23.5

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

National Bank Open (Doubles): Arnaldi/Musetti vs Andreozzi/Guinard Set 1 O/U 10.5

View
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 Arnaldi/Musetti and Andreozzi/Guinard in the National Bank Open, originally scheduled for August 8, 2026 at 2:00PM ET. This market will resolve to 'Arnaldi/Musetti' if the team of Arnaldi/Musetti advances against Andreozzi/Guinard. This market will resolve to 'Andreozzi/Guinard' if the team of Andreozzi/Guinard advances against Arnaldi/Musetti. 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 Arnaldi/Musetti and Andreozzi/Guinard in the National Bank Open, originally scheduled for August 8, 2026 at 2:00PM ET. This market will resolve to 'Arnaldi/Musetti' if the team of Arnaldi/Musetti advances against Andreozzi/Guinard. This market will resolve to 'Andreozzi/Guinard' if the team of Andreozzi/Guinard advances against Arnaldi/Musetti. 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

On Polymarket, the National Bank Open doubles match market dashboard tracks real-time odds, price history, and 24-hour volume for this specific tennis doubles contest. It shows how traders are positioning around the matchup, with updates reflecting market sentiment and liquidity. The dashboard highlights the current top outcome probability and volume of $7,694 to help users gauge interest and momentum as the event approaches.

This market resolves around Aug 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match outcome, which is then automatically reflected in the market once the event concludes and data becomes publicly available.

Injuries, weather delays, or last-minute player changes could shift this market as they affect perceived odds. Strong pre-match performance, recent form, or commentary from analysts may also influence trader sentiment. Any news that changes expectations for the match’s outcome can cause rapid price movements, especially with a volume of $7,694 indicating active trading interest.