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%
Closed: Sep 1, 12:24 PM EST
Kalshi
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.
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.
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.