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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Francisco Comesana vs Flavio Cobolli: Set 1 Winner
kalshi

Francisco Comesana vs Flavio Cobolli: Set 1 Winner

Volume:
$606,739

Francisco Comesana

 - Kalshi

Francisco Comesana - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 1, 2026

Closed: Sep 1, 12:24 PM EST

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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

Francisco Comesana

View
100%
Yes 100¢No 0¢
1¢
N/A
$231,284
N/A
N/A
$125,278
Settled
Yes
kalshi

Flavio Cobolli

0%
Yes 0¢No 100¢
1¢
N/A
$375,456
N/A
N/A
$306,989
Settled
No
Total markets: 2

Intro

This market tracks which player will win the first set of the Francisco Comesana versus Flavio Cobolli tennis match at the 2026 US Open Men’s Singles Round of 128. Currently, Kalshi gives an 81.0% probability to Francisco Comesana winning the first set, while Flavio Cobolli is at 18.0%. The market resolves based on whether Francisco Comesana wins set 1, as determined by official results from the 2026 US Open. Keep an eye on the match start time on August 30, 2026, as that will kick off the window for set 1 resolution.

Kalshi

The market resolves based on the winner of the first set in the specified professional tennis match. If the match fails to commence due to injury, walkover, forfeiture, or cancellation prior to any play, it resolves to a fair price. Postponements or delays keep the market open until the rescheduled match concludes within two weeks. In cases of retirement during the match, outcomes determinable from completed play settle accordingly, while unresolved markets resolve to a Fair Market Price at the Exchange's discretion. Kalshi disclaims any official affiliation with the governing league, and all trademarks remain property of their respective owners.

Frequently asked questions

On Kalshi, the Set 1 winner market dashboard tracks real-time odds and price movements for the first set of this tennis match. It shows the current implied probability of each player claiming the initial set, along with historical price trends and $606,706 24-hour volume. This gives traders a live view of market sentiment and liquidity as the match approaches.

On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, this market is priced through a continuous order book where traders submit bids and asks. The current top price shows the market’s expectation of which player will win the opening set, with volume and open interest indicating liquidity. Traders can also place speculative or hedging orders at different price points to capture shifts in sentiment.

Key signals that could shift this market include last-minute player withdrawals, injury updates, weather delays, or changes to the match venue. Additionally, strong performances in recent matches, media interviews, or betting trends on other platforms may influence trader sentiment. Any new information affecting the players’ readiness or form can cause rapid price swings before Aug 30, 2026.