| Outcome | Probability | Yes Bid | Yes Ask | 24h Change | Volume | |
|---|---|---|---|---|---|---|
| Matteo Berrettini | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Alexander Bublik | 0% | 0¢ | 0¢ | — | $0 | Trade → |
This market asks which player—Alexander Bublik or Matteo Berrettini—will win the first set of their match. First-set markets matter for traders who focus on short-term match dynamics rather than the final result.
Bublik and Berrettini are both high-profile players whose serving strength and power-based games often produce quick holds and decisive tiebreaks; these stylistic traits make first-set outcomes sensitive to serve performance and early breaks. The market is listed on KALSHI with total volume currently shown as $0 and a closing time marked TBD, so traders should confirm live status before placing orders. Surface, weather (for outdoor events), and tournament round can all alter incentives and risk for each player entering set one.
Market odds aggregate participant expectations about who will take the first set and will change as new information arrives; treat them as a real-time consensus signal rather than a guarantee of outcome.
The listing shows 'Closes: TBD'; on many platforms similar markets close at first serve or when the operator sets a closure time, so check KALSHI's live market page for the official close time before trading.
Settlement is to the player who wins the first set as completed on court; a tiebreak winner counts as winning the set. If the match does not start or is abandoned before the first set is completed, settlement follows KALSHI's event and cancellation rules.
Immediate movers include an early break of serve, medical timeouts or visible injury, a player losing serve repeatedly in the opening games, sudden weather changes for outdoor matches, and any official interruptions or retirements.
Zero or very low volume indicates limited liquidity: prices may be volatile, order execution could be difficult, and quoted odds may move sharply on small trades, so consider smaller order sizes or waiting for more activity.
Relevant details include their most recent head-to-head encounters, performance in first sets on the same surface, recent match lengths (which affect freshness), and any publicly reported niggles or fitness concerns — these factors help judge early-match advantage without relying on live odds.