TOTAL VOLUME:

$134.2b

24H VOL:

$126,324,530

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,434,646,834

406,019

Markets across

30,401

events

MATCHED EVENTS:

2,689

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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US Open ATP: Alexander Blockx vs Tomas Barrios
polymarket
limitless

Who will win Alexander Blockx vs Tomas Barrios?

Volume:
$150,011

US Open ATP: Alexander Blockx vs Tomas Barrios

all

2 markets

Polymarket

Limitless

consensus

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 31, 2026

Closed: Aug 31, 7:16 PM EST

polymarket

Polymarket

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

US Open ATP: Alexander Blockx vs Tomas Barrios

View
100%
19%
Yes 100¢No 0¢
0.1¢
N/A
$148,821
N/A
N/A
N/A
Settled
Yes
limitless

Alexander Blockx vs Marcelo Tomas Barrios Vera

N/A
N/A
99.8¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

US Open ATP: Alexander Blockx vs Tomas Barrios Set Handicap +/-1.5

100%
34%
Yes 100¢No 0¢
0.5¢
N/A
$597
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

100%
1%
Yes 100¢No 0¢
0.1¢
N/A
$120
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Alexander Blockx vs Tomas Barrios Set 1 Winner

100%
Yes 100¢No 0¢
0.1¢
N/A
$113
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Alexander Blockx vs Tomas Barrios Set 3 Winner

100%
24%
Yes 100¢No 0¢
0.5¢
N/A
$31
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Alexander Blockx vs Tomas Barrios Set 1 O/U 9.5

0%
56%
Yes 0¢No 100¢
—
N/A
$250
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Alexander Blockx vs Tomas Barrios Match O/U 36.5

0%
46%
Yes 0¢No 100¢
—
N/A
$80
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Alexander Blockx vs Tomas Barrios Set 2 O/U 8.5

100%
2%
Yes 100¢No 0¢
0.9¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Alexander Blockx vs Tomas Barrios Set 2 Winner

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

US Open ATP: Alexander Blockx vs Tomas Barrios Total Sets: O/U 3.5

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

US Open ATP: Alexander Blockx vs Tomas Barrios Set 1 O/U 8.5

100%
21%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Alexander Blockx vs Tomas Barrios Set 2 O/U 9.5

100%
2%
Yes 100¢No 0¢
0.8¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Alexander Blockx vs Tomas Barrios Total Sets: O/U 4.5

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

US Open ATP: Alexander Blockx vs Tomas Barrios Match O/U 38.5

0%
57%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Alexander Blockx vs Tomas Barrios Set Handicap +/-2.5

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

US Open ATP: Alexander Blockx vs Tomas Barrios Set 1 O/U 10.5

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

US Open ATP: Alexander Blockx vs Tomas Barrios Set 2 O/U 10.5

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

US Open ATP: Alexander Blockx vs Tomas Barrios Match O/U 40.5

0%
87%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open ATP: Alexander Blockx vs Tomas Barrios Set 4 Winner

50%
Yes 50¢No 50¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

US Open ATP: Alexander Blockx vs Tomas Barrios Set 3 O/U 8.5

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

US Open ATP: Alexander Blockx vs Tomas Barrios Set 3 O/U 9.5

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

US Open ATP: Alexander Blockx vs Tomas Barrios Set 3 O/U 10.5

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

US Open ATP: Alexander Blockx vs Tomas Barrios Set 4 O/U 8.5

50%
48%
Yes 50¢No 50¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

US Open ATP: Alexander Blockx vs Tomas Barrios Set 4 O/U 9.5

50%
48%
Yes 50¢No 50¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
Total markets: 25 of 27

Description

This group of markets covers the US Open ATP tennis match between Alexander Blockx and Tomas Barrios, originally scheduled for August 30, 2026. Markets include match winner, set winners, total games, and various game totals across sets with different thresholds.

PredictionHero - Resolution Divergence Alerts (RDA)

Unified Resolution Criteria (Consistent across platforms)

All markets across platforms share identical resolution logic based on official Grand Slam statistics with credible reporting as a backup source.Primary resolution logic: Official Grand Slam statistics

Core resolution logic:

  • Match winner resolves to the player who advances, including via retirement/default
  • Incomplete matches resolve 50-50 unless outcome is already determined
  • All game totals include tiebreaks as one game
  • Markets remain open during postponements; only resolve 50-50 if match is canceled or not completed by deadline

Edge cases & clarifications:

  • Retirement/Default: Market resolves to the player who advances, regardless of when the retirement occurs
  • Walkover: Market resolves 50-50 if a player withdraws before the match starts
  • Postponement: Markets remain open during postponements; only resolve 50-50 if match is canceled or not completed by deadline
Timing: Resolution occurs when official Grand Slam statistics are published, or by September 13, 2026 if the match is not completed by thenOur PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.

Polymarket

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

Limitless

This market refers to the tennis match between Alexander Blockx and Marcelo Tomas Barrios Vera in the ATP US Open, originally scheduled for August 30, 2026 at 15:00 UTC. This market will resolve to 'Alexander Blockx' if Alexander Blockx advances against Marcelo Tomas Barrios Vera. This market will resolve to 'Marcelo Tomas Barrios Vera' if Marcelo Tomas Barrios Vera advances against Alexander Blockx. 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 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.

Frequently asked questions

The dashboard for the US Open ATP Blockx vs Barrios match market aggregates real-time data from multiple platforms, showing how traders price the likelihood of each outcome. It displays current probabilities, volume of $150,011, and 24-hour volume of $149,847, letting you see consensus and divergence across venues. This centralized view helps you monitor sentiment shifts as the tournament approaches, with all data updated live to reflect market activity.