Sports
Polymarket market
Track live probability, outcome prices, volume, liquidity, and resolution details for Herbert vs. Landaluce: Match O/U 21.5. The market currently shows a live probability of 100%, $89 in 24h volume.
Probability
100%
24h Volume
$89
Liquidity
$0
Chart outcome
Switches which outcome price history is shown.
Current
100%
Change
+50%
High
100%
Low
48.5%
Over moved from 50% to 100% over the last week, trading between 48.5% and 100%.
Over price history from Polymarket CLOB.
11 points
This market is about the Stuttgart Open meeting between Pierre-Hugues Herbert and Martin Landaluce, with the line set at 21.5 total games. For readers, the key question is simply whether this match finishes with 22 games or more, using official ATP scoring to settle the count.
The title names Herbert and Landaluce, two tennis players meeting in the Stuttgart Open, and the market is tied to that specific match scheduled for June 8, 2026 at 6:30AM ET. The outcome depends on the total number of games played across all sets: Over means 22 or more games, Under means 21 or fewer. The rules also say that any tiebreak, including a Champions tiebreak if one is used, counts as one game toward the total.
Tennis totals can be hard to pin down because a match can be short and one-sided, or it can stretch through close sets and tiebreaks. Herbert and Landaluce are the relevant names here because their style, serve strength, and match competitiveness can affect whether the score lands above or below 21.5 games. The market is pricing the uncertainty around how long this particular Stuttgart Open match will last under ATP scoring rules.
Anything that changes expectations for match length can move this market, especially the confirmed status of the players, a lineup or withdrawal update, and whether the match actually starts on time. Once play begins, set scores, tiebreaks, and whether either player dominates early are the clearest drivers of the total-games count. Because the rules treat an incomplete match as a 50-50 settlement, a retirement, suspension, or cancellation can matter as much as the score itself.
The current market price implies roughly a 100% 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.
Related markets
The most important thing to check is whether the match is officially completed, since an unfinished match resolves 50-50 under these rules. Readers should also watch the ATP’s official match statistics, because those are the source of truth for settlement and for counting every completed game, including any tiebreaks. If the match is delayed beyond seven days from the scheduled date without a result, or canceled before it begins, the market also resolves 50-50 rather than Over or Under.
Track live probability, outcome prices, volume, liquidity, and resolution details for Herbert vs. Landaluce: Match O/U 21.5. The market currently shows a live probability of 100%, $89 in 24h volume.
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Over
100%
Under
0%
This market is currently listed with an end date of Jun 15, 2026. Market timelines can change if the underlying event is postponed, rescheduled, or resolved early.
This market refers to the tennis match between Pierre-Hugues Herbert and Martin Landaluce in the Stuttgart Open, originally scheduled for June 8, 2026 at 6:30AM ET. This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 22. 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 ATP statistics.
Probability signal
The current price implies a strong favorite, so new information would need to be meaningful to move the market sharply.
Liquidity context
Liquidity is not available in the current feed, so treat the displayed snapshot as incomplete.
Spread
The bid-ask spread is tight, which usually points to a more actively priced market.
Recent movement
No 24h movement is available yet.
The current displayed probability is 100%, 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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24h Vol
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Liquidity
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Spread
1%
7/6/2026
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24h Vol
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Liquidity
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Spread
1%
7/6/2026
View market