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400,720

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US Open ATP: Quentin Halys vs Facundo Acosta
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta

Volume:
$316,410

US Open ATP: Quentin Halys vs Facundo Acosta

 - Polymarket

US Open ATP: Quentin Halys vs Facundo Acosta - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 1, 2026

Closed: Aug 31, 10:41 PM EST

polymarket

Polymarket

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

US Open ATP: Quentin Halys vs Facundo Acosta

View
100%
25%
Yes 100¢No 0¢
0.1¢
N/A
$313,894
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$1,660
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Match O/U 38.5

View
100%
53%
Yes 100¢No 0¢
0.5¢
N/A
$404
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Match O/U 36.5

View
100%
48%
Yes 100¢No 0¢
0.5¢
N/A
$281
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set 1 Winner

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$37
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Total Sets: O/U 3.5

View
100%
42%
Yes 100¢No 0¢
1¢
N/A
$37
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Game Spread +/-5.5

View
100%
53%
Yes 100¢No 0¢
0.1¢
N/A
$31
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set Handicap +/-1.5

View
100%
40%
Yes 100¢No 0¢
0.1¢
N/A
$27
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set Handicap +/-2.5

View
0%
35%
Yes 0¢No 100¢
—
N/A
$39
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set 2 O/U 8.5

View
100%
2%
Yes 100¢No 0¢
20¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set 2 Winner

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

US Open ATP: Quentin Halys vs Facundo Acosta Set 1 O/U 8.5

View
100%
21%
Yes 100¢No 0¢
0.5¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set 2 O/U 9.5

View
100%
2%
Yes 100¢No 0¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Total Sets: O/U 4.5

View
0%
24%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set 1 O/U 9.5

View
100%
36%
Yes 100¢No 0¢
0.5¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set 3 Winner

View
0%
74%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set 2 O/U 10.5

View
100%
2%
Yes 100¢No 0¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Match O/U 40.5

View
100%
51%
Yes 100¢No 0¢
0.5¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set 1 O/U 10.5

View
0%
49%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set 4 Winner

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

US Open ATP: Quentin Halys vs Facundo Acosta Set 3 O/U 8.5

View
100%
2%
Yes 100¢No 0¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set 3 O/U 9.5

View
100%
2%
Yes 100¢No 0¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set 3 O/U 10.5

View
100%
2%
Yes 100¢No 0¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set 4 O/U 8.5

View
0%
98%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Quentin Halys vs Facundo Acosta Set 4 O/U 9.5

View
0%
98%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 25 of 26

Intro

This market tracks whether the combined games in the US Open ATP match between Quentin Halys and Facundo Acosta will exceed 38.5 games, and on Polymarket it currently shows a probability of 100% for the over/under 38.5 games outcome. The result will be determined by official ATP match records at https://www.atptour.com/en/scores/current. The match is scheduled to conclude by September 6, 2026, and this date marks the end of the betting period and the resolution window for this market.

Polymarket

This market refers to the tennis match between Quentin Halys and Facundo Acosta in the US Open ATP, originally scheduled for August 30, 2026 at 11:00AM ET. This market will resolve to 'Quentin Halys' if Quentin Halys advances against Facundo Acosta. This market will resolve to 'Facundo Acosta' if Facundo Acosta advances against Quentin Halys. 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

On Polymarket, the Halys vs Acosta US Open match market dashboard tracks real-time odds, price fluctuations, and 24-hour volume for the Halys vs Acosta US Open match market. It shows how traders on this venue are pricing the contest, with updates reflecting market sentiment and liquidity changes. The dashboard highlights the top outcome probability and volume of $316,410, helping users monitor dynamics as the tournament approaches.

This market resolves around Sep 6, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match conclusion, and the market settles based on who wins the US Open ATP contest between the two players. Timing aligns with the tournament schedule, ensuring traders can anticipate when their positions will be finalized based on on-court results.

Injuries, player form leading up to the match, or significant tournament developments can shift this market. Media updates, practice session reports, and betting trends may influence trader sentiment. As the event nears, any news affecting either player’s readiness or performance expectations could cause rapid price swings. Monitoring pre-match coverage and real-time trading volume will help identify when this market is most volatile ahead of resolution.