Sports
Polymarket market
Track live probability, outcome prices, volume, liquidity, and resolution details for Boulter vs. Fernandez: Match O/U 21.5. The market currently shows a live probability of 50%, $11.3 in 24h volume, and $0.5 in liquidity.
Probability
50%
24h Volume
$11.3
Liquidity
$0.5
Chart outcome
Switches which outcome price history is shown.
Current
50%
Change
+2.5%
High
50%
Low
25%
Under moved from 47.5% to 50% over the last day, trading between 25% and 50%.
Under price history from Polymarket CLOB.
49 points
This market is about the total number of games in Katie Boulter’s match against Leylah Fernandez at the HSBC Championships. The 21.5 line means the result turns on whether the match is relatively short or goes long across sets, which makes it a good fit for tennis fans following score dynamics rather than just who wins.
The question is whether Boulter vs. Fernandez finishes with at least 22 completed games in total. All games across all sets count, and the market treats any tiebreak— including a Champions Super Tiebreak— as one game for settlement purposes. The scheduled match date is June 8, 2026 at 5:00AM ET, and resolution is based on official WTA statistics.
A tennis total like 21.5 sits near the middle of a match’s possible outcomes, so both straight-set wins and longer, tighter contests can land on either side. Boulter and Fernandez are both capable matchups for a competitive WTA grass-court event, but the market is really pricing the uncertainty around how many sets will be played and how close each set may be. Because the outcome depends on game count rather than the winner alone, even a decisive result can still go Over if the sets are extended.
The biggest price moves usually come from signs that the match will be one-sided or competitive: lineup information, any late injury or retirement concern, and how each player is performing on the day. If the match starts with several long games, multiple breaks, or a set that reaches a tiebreak, that pushes the total toward Over; a quick two-set result with lopsided games points toward Under. If the match format changes in a way that could trigger a Champions Super Tiebreak, that also matters because the rules count it as one game.
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 check the official WTA match result and scoring details, since the settlement depends on completed games, not just the winner. The most important rule is the fallback: if the match starts but is not completed, the market resolves 50-50, and the same applies if it is canceled before play or delayed more than seven days beyond the scheduled date without a result. The end date shown on the market is June 15, 2026 at 09:00 UTC, so any official result after that window may still be too late for settlement if the match has not resolved under the stated rules.
Track live probability, outcome prices, volume, liquidity, and resolution details for Boulter vs. Fernandez: Match O/U 21.5. The market currently shows a live probability of 50%, $11.3 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 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 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 modest, suggesting the market has not repriced dramatically in the latest feed.
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
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Spread
1%
7/6/2026
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