Sports
Polymarket market
Track live probability, outcome prices, volume, liquidity, and resolution details for Boulter vs. Fernandez: Match O/U 23.5. The market currently shows a live probability of 50%, $100 in 24h volume, and $0.5 in liquidity.
Probability
50%
24h Volume
$100
Liquidity
$0.5
Chart outcome
Switches which outcome price history is shown.
Current
50%
Change
-8%
High
59%
Low
50%
Under moved from 58% to 50% over the last day, trading between 50% and 59%.
Under price history from Polymarket CLOB.
49 points
This market is about whether Katie Boulter and Leylah Fernandez will play a long match at the HSBC Championships, with the total games reaching at least 24. For tennis fans, that is essentially a question of whether the match stays tight enough to go beyond a short straight-sets result. The market is scheduled around the June 8, 2026 match date, and it settles from official WTA match statistics.
The event is the WTA match between Katie Boulter and Leylah Fernandez at the HSBC Championships, originally scheduled for June 8, 2026 at 5:00AM ET. The line is 23.5 total games: “Over” needs 24 or more completed games across all sets, while “Under” needs 23 or fewer. Any tiebreak, including a Champions super tiebreak if one is used, counts as one game toward the total.
Tennis match totals are often hard to pin down because one break of serve, an injury, or a quick start by either player can change the length of the match dramatically. Boulter and Fernandez are the kind of players who can produce very different scorelines depending on serving form and momentum, so the market is pricing the chance of a competitive, extended match versus a faster finish. The current book is also very wide, which suggests the market has not yet settled on a clear lean.
The biggest price moves will come from the actual scoreline once play starts: a routine 6-2, 6-3 type result points toward Under, while three sets or even two close sets with tiebreaks can quickly support Over. Any late lineup news, injury concern, or pre-match withdrawal would matter because the market’s rules treat a cancellation, or a match delayed more than seven days without a result, as a 50-50 settlement. If the match begins but is not completed, that also resolves 50-50 rather than to either side.
The current market price implies roughly a 50% 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
Readers should watch the official match status, whether both players take the court, and the final WTA scoreline, because resolution is based on official WTA statistics rather than informal score reporting. The key rule detail is that every completed game counts, but tiebreaks count as one game each, which can matter in close sets. The end date on the market is June 15, 2026, so a postponed match that is not completed by then—or within seven days of the scheduled date—falls into the 50-50 fallback rule.
Track live probability, outcome prices, volume, liquidity, and resolution details for Boulter vs. Fernandez: Match O/U 23.5. The market currently shows a live probability of 50%, $100 in 24h volume, and $0.5 in liquidity.
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Over
50%
Under
50%
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 Katie Boulter and Leylah Fernandez in the HSBC Championships, originally scheduled for June 8, 2026 at 5:00AM ET. This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 24. 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 WTA statistics.
Probability signal
The market is priced near the middle, which usually means traders are still weighing competing outcomes.
Liquidity context
Liquidity is present but not especially deep, so spreads and order-book movement still matter.
Spread
The bid-ask spread is wider, so the headline probability may be less precise than it looks.
Recent movement
The 24h move is notable, so recent news or market activity may have changed trader expectations.
The current displayed probability is 50%, 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
--
Spread
1%
7/6/2026
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