TOTAL VOLUME:

$134.2b

24H VOL:

$129,159,707

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,442,132,418

404,744

Markets across

30,489

events

MATCHED EVENTS:

2,691

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Tour
All
Sports
Quentin Halys vs Facundo Diaz Acosta: Set 2 Winner
kalshi

Quentin Halys vs Facundo Diaz Acosta: Set 2 Winner

Volume:
$83,413

Quentin Halys

 - Kalshi

Quentin Halys - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 31, 2026

Closed: Aug 31, 7:55 PM EST

kalshi

Kalshi

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

Quentin Halys

View
100%
Yes 100¢No 0¢
1¢
N/A
$46,778
N/A
N/A
$33,419
Settled
Yes
kalshi

Facundo Diaz Acosta

0%
Yes 0¢No 100¢
1¢
N/A
$36,636
N/A
N/A
$31,943
Settled
No
Total markets: 2

Description

This market focuses on predicting which player will win the second set of a tennis match between Quentin Halys and Facundo Diaz Acosta at the 2026 US Open. The outcome depends solely on the result of set two, regardless of the overall match result. Betting reflects expectations about player performance under pressure in a critical phase of the competition.

Kalshi

If Quentin Halys wins set 2 in the Quentin Halys vs Facundo Diaz Acosta professional tennis match in the 2026 US Open Men Singles Round Of 128, then the market resolves to Yes. If Facundo Diaz Acosta wins set 2 in the Quentin Halys vs Facundo Diaz Acosta professional tennis match in the 2026 US Open Men Singles Round Of 128, then the market resolves to Yes.

Frequently asked questions

On Kalshi, the Set 2 winner market dashboard tracks the latest odds and price movements for this specific tennis match segment. It shows real-time updates on the probability of each player claiming the second set, alongside current volume of $83,413 and 24-hour volume of $82,553. This visualization helps traders monitor how market sentiment shifts as the match progresses, reflecting the latest performance metrics and in-play dynamics.

This market resolves around Aug 30, 2026, with the outcome confirmed once the match result is verifiable from credible public reporting. The winner of set two will be determined by the official match score, and this information will be used to settle all positions. Timing depends on when the match concludes and results are widely reported, ensuring a clear and transparent resolution process.

Key signals that could move this market include player injuries, changes in serve performance, or weather delays affecting match flow. Any shift in momentum — such as a break of serve or a crucial game — may cause rapid adjustments in trading activity. Additionally, pre-match betting trends and analyst commentary leading up to the event can influence trader sentiment and drive volume of $82,553 as the match approaches.