How the contract works
This contract is tied to a single tennis match. It settles at $1 if Carlos Alcaraz advances against Roman Safiullin, including if Safiullin retires, defaults, or is disqualified, and at nothing if Safiullin wins. The price at any moment reflects what traders currently think the chance of an Alcaraz win is; a contract priced at 0.30, for example, would mean traders see roughly a three-in-ten chance of that outcome, not this match specifically. The match is scheduled to be completed by 6 September 2026, with a hard deadline of 13 September 2026 after which, if no winner has been determined, the contract settles as a 50-50 split instead of a clean Yes or No. A position bought now can typically be sold before settlement at whatever price the market has moved to by then.
Yes1%
No99%
Probability
How the price has moved
No earlier price levels or day-over-day moves for this specific contract are available here, only the current reading of 1% on Polymarket with $1,007,838 traded. What that combination shows is a market that has already reached a strong one-sided consensus rather than one still working through a close pre-match assessment. A flat, extreme price with real volume behind it is the market's way of saying the outcome is treated as effectively decided, whatever the pre-match ranking gap might have suggested on its own.
Analysis
Context
Carlos Alcaraz is one of the sport's dominant figures, a multiple Grand Slam champion including a US Open title, and he is ranked far above most players he meets in early rounds. Roman Safiullin is a tour professional who has had solid results but sits well outside the game's top tier and has no record of beating players of Alcaraz's caliber on a hard court at a major. The 2026 US Open is being played at the USTA Billie Jean King National Tennis Center in Flushing, New York, one of the sport's four majors and a fixture of the American sports calendar in late August and early September.
Across the venue tracked here, the market-implied probability of an Alcaraz win sits at 1%, with just over $1 million traded on Polymarket alone. That is an unusually lopsided reading for a matchup between a multiple Grand Slam champion and a player well outside the top ranks, and it is worth explaining why. Pre-match, a ranking gap of that size would normally put the favorite closer to the high end of the scale, not near zero. A price this close to the floor, carrying real volume, is the signature of a market that already has information the pre-match ranking gap alone would not produce — typically because the match is live or has already finished and the result, or a strong lean in it, is already circulating among traders watching the ATP Tour's live scoring before this page was written. The settlement source is the ATP Tour's official scores page, corroborated by sports reporting, so the number here is not a forecast of a coin toss but a reflection of where the actual contest, or its outcome, currently stands. No day-by-day or week-by-week price history is available for this specific contract, so it is not possible to say how the price arrived at this level, only that it has settled at an extreme and stayed there with meaningful volume behind it. That combination — an extreme price plus real trading volume rather than a thin, untraded market — usually indicates broad agreement among participants rather than a single large position pushing the price on its own. The 13 September 2026 fallback clause matters only if the match is somehow left incomplete; given that the scheduled resolution window closes on 6 September 2026, that scenario would require an unusual disruption such as a lengthy suspension, not a normal result either way.
What moves the probability
Ranking and form gap
Alcaraz's record against players outside the game's top tier is strong, and that baseline alone would ordinarily push a pre-match price well above the extreme level seen here. This driver alone does not explain the 1% reading, which points to something more current than the ranking gap.
Live or completed match signal
A price this close to zero with meaningful volume typically reflects that the match is already in progress or finished, with the ATP Tour's live scoring feeding information into the market faster than a static pre-match ranking would justify. This is the strongest single explanation for the current level.
Trading volume of over $1 million
Volume this size on a single early-round match indicates broad participation rather than one large trader moving the price alone, which adds weight to the current reading rather than flagging it as an outlier to be discounted.
The 13 September fallback
If the match is not completed, or ends in a walkover with no winner determined by 13 September 2026, the contract settles 50-50 regardless of the price beforehand. This is a minor factor unless an unusual disruption, such as a long suspension, actually occurs.
The case for
- Carlos Alcaraz's ranking and Grand Slam record make him the far stronger player on paper heading into any match against someone outside the top tier.
- If the match completes normally under his control, or if Safiullin retires, defaults, or is disqualified at any point, the contract settles Yes regardless of the score at that moment.
- A win keeps Alcaraz on course in the draw and would be consistent with his usual results against similarly ranked opponents.
The case against
- The market's current pricing near the bottom of the scale is not typical of a pre-match ranking gap and suggests the contest may already be underway or decided against Alcaraz.
- Upsets do happen at Grand Slams, and a single bad set or an injury during play can flip a heavily favored player's outcome quickly.
- If the match is suspended or left incomplete for any reason before 13 September 2026, the contract resolves 50-50 rather than Yes, which caps the payoff even for holders confident in an eventual Alcaraz win.
What to watch
The scheduled resolution date is 6 September 2026, based on the ATP Tour's official scores page. If the match has not produced a winner by then, the fallback deadline of 13 September 2026 applies, after which an incomplete or walkover result settles as a 50-50 split rather than a clean outcome. Between now and then, the only things that can move this are the actual result of the Alcaraz-Safiullin match itself, any retirement, default, or disqualification during play, and confirmation of that result on the ATP's live scoring feed.
Trade this contract
Open on Polymarket
- gas covered