Sports
Polymarket market
Track live probability, outcome prices, volume, liquidity, and resolution details for Cobolli vs. Zverev: Match O/U 40.5. The market currently shows a live probability of 36%, $696 in 24h volume, and $19.6K in liquidity.
Probability
36%
24h Volume
$696
Liquidity
$19.6K
Chart outcome
Switches which outcome price history is shown.
Current
36%
Change
-6%
High
45%
Low
36%
Over moved from 42% to 36% over the last day, trading between 36% and 45%.
Over price history from Polymarket CLOB.
49 points
This market is about the Roland Garros ATP match between Flavio Cobolli and Alexander Zverev, with the focus on whether the total games played will clear 40.5. In plain terms, it asks whether this matchup ends up being a relatively long, competitive match or a shorter one that finishes below the line.
The settlement line is set at 40.5 total games across all completed sets in Cobolli vs. Zverev, originally scheduled for June 7, 2026 at 9:00AM ET. The market resolves to Over if the match reaches 41 games or more, and Under if it finishes with 40 games or fewer. All tiebreaks count as one game, including any Champions Super tiebreak, and if the match starts but is not completed, the market resolves 50-50.
This match pits a lower-profile clay-court competitor, Flavio Cobolli, against Alexander Zverev, a top-level ATP player who is typically expected to handle pressure well in best-of-five Grand Slam tennis. Because the game total depends on set length, tiebreaks, and whether the match becomes one-sided or extended, there is room for disagreement about whether the final number lands above or below 40.5. The possibility of an incomplete match or a weather delay also adds settlement uncertainty, since the rules treat some unfinished outcomes as a split resolution.
Price movement will mainly come from matchup-specific information that changes expectations for set count: confirmed lineups, any pre-match injury or fitness concerns, and whether either player is known to be better or worse on clay in this event. Once the match begins, straight-set wins, long deuce-heavy sets, or tiebreaks can quickly push the total toward the Over, while a routine three-set or four-set match with short games can keep it under the line. Because official Grand Slam statistics control resolution, any change in the official match score or completion status is what ultimately matters.
Related markets
The current market price implies roughly a 36% chance for the leading outcome, based on live Polymarket pricing. That number is not a prediction from PredictionNinja and it is not a guarantee; it is the current crowd-priced view of the market and can change quickly when new information appears.
Before the market resolves, readers should verify the official match status, the completed set score, and whether the contest was fully finished or stopped partway through. The most important rule detail is that only official Grand Slam statistics count, so unofficial scoreboards should be treated as provisional until the result is final. The deadline window also matters: if the match is canceled before play begins or delayed more than seven days past the scheduled date without a result, the market is set to resolve 50-50 rather than Over or Under.
Track live probability, outcome prices, volume, liquidity, and resolution details for Cobolli vs. Zverev: Match O/U 40.5. The market currently shows a live probability of 36%, $696 in 24h volume, and $19.6K in liquidity.
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Over
36%
Under
64%
This market is currently listed with an end date of Jun 14, 2026. Market timelines can change if the underlying event is postponed, rescheduled, or resolved early.
This market refers to the tennis match between Flavio Cobolli and Alexander Zverev in the Roland Garros ATP, originally scheduled for June 7, 2026 at 9:00AM ET. This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 41. Otherwise, it will resolve to "Under." All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total. If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50. Resolution will be based on official Grand Slam statistics.
Probability signal
The market is priced near the middle, which usually means traders are still weighing competing outcomes.
Liquidity context
Liquidity is relatively deep for a prediction market page, so quoted prices may be more reliable than very thin markets.
Spread
The bid-ask spread is tight, which usually points to a more actively priced market.
Recent movement
The 24h move is notable, so recent news or market activity may have changed trader expectations.
The current displayed probability is 36%, based on the latest normalized Polymarket data available to PredictionNinja.
The rules and resolution criteria are pulled from the market description provided by Polymarket when available.
Prediction markets can move whenever traders react to new information, liquidity changes, injuries, announcements, news, or other event-specific developments.
No. PredictionNinja displays market data and context for research only. It is not financial, legal, betting, or investment advice.
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7/6/2026
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7/6/2026
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