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24H VOL:

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OPEN INTEREST:

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402,751

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US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris
polymarket
kalshi

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris

Volume:
$702,511

Carlos Alcaraz

 - Kalshi

Carlos Alcaraz - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 27, 2026

Closed: Aug 31, 4:17 PM EST

kalshi

Kalshi

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Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Carlos Alcaraz

View
100%
2%
Yes 100¢No 0¢
100¢
N/A
$307,227
N/A
N/A
$188,237
18h 50m
Yes
polymarket

Completed Match

100%
Yes 100¢No 0¢
0.1¢
N/A
$55
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris Set 1 Winner

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

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris

0%
56%
Yes 0¢No 100¢
—
N/A
$393,832
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris Set 2 Winner

0%
Yes 0¢No 100¢
—
N/A
$1,104
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris Game Spread +/-1.5

0%
Yes 0¢No 100¢
—
N/A
$268
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris Set Handicap +/-1.5

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

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris Set 2 O/U 8.5

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

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris 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, Qualification ATP: Henrique Rocha vs Lloyd Harris Match O/U 21.5

100%
1%
Yes 100¢No 0¢
20¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris Set 1 O/U 8.5

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

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris Set 2 O/U 9.5

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

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris Match O/U 22.5

100%
1%
Yes 100¢No 0¢
20¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris Set 1 O/U 9.5

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

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris Set Handicap +/-1.5

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

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris Set 2 O/U 10.5

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

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris Set 1 O/U 10.5

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

US Open, Qualification ATP: Henrique Rocha vs Lloyd Harris Match O/U 23.5

100%
1%
Yes 100¢No 0¢
20¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 18

Intro

This market tracks whether Carlos Alcaraz will compete in the 2026 US Open men's singles tennis tournament. The aggregated consensus probability from Polymarket and Kalshi shows a leading outcome of 94.0%. Resolution will be based on official information from the ATP Tour. The key date to watch is September 30, 2026, which marks the end of the tournament window for determining participation.

PredictionHero - Resolution Divergence Alerts (RDA)

Unified Resolution Criteria (Consistent across platforms)

All markets resolve based on ATP Tour official results with consistent handling of match completion, retirements, defaults, disqualifications, walkovers, and cancellations.Primary resolution logic: Official information from the ATP Tour

Core resolution logic:

  • If the match is completed with a clear winner, resolve to that player
  • If the match is not completed (canceled, retirement, default, disqualification, walkover, or tie), resolve to 50-50 or No as per specific market rules
  • Use ATP Tour official results as the primary source; credible reporting as a backup if ATP results are delayed

Edge cases & clarifications:

  • Retirement During Match: Resolves to the player who advances due to the opponent's retirement
  • Walkover: Resolves to 50-50 for the player advancement market and No for the match completion market
  • Match Cancellation: Resolves to 50-50 for the player advancement market and No for the match completion market
Timing: By September 9, 2026, 11:59 PM ET (14 days after the scheduled start), or within 2 hours of the event's conclusion if ATP results are delayedOur 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 Henrique Rocha and Lloyd Harris in the US Open, Qualification ATP, originally scheduled for August 26, 2026 at 3:30PM ET. This market will resolve to 'Henrique Rocha' if Henrique Rocha advances against Lloyd Harris. This market will resolve to 'Lloyd Harris' if Lloyd Harris advances against Henrique Rocha. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 9, 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.

Kalshi

If Carlos Alcaraz competes in the 2026 US Open men's singles tennis tournament, then the market resolves to Yes.

Frequently asked questions

The dashboard for the US Open ATP qualifier market aggregates activity across multiple venues, showing real-time consensus and divergence in trader sentiment. It displays cumulative volume of $702,511 and 24-hour volume of $399,009, letting participants see how the market evolves as the match date approaches. This centralized view helps users compare positioning and spot momentum shifts before the event settles.