Sports
Polymarket market
Track live probability, outcome prices, volume, liquidity, and resolution details for Kasatkina vs. Montgomery: Match O/U 21.5. The market currently shows a live probability of 100%, $115.2 in 24h volume.
Probability
100%
24h Volume
$115.2
Liquidity
$0
Chart outcome
Switches which outcome price history is shown.
Current
100%
Change
+52.5%
High
100%
Low
47%
Over moved from 47.5% to 100% over the last day, trading between 47% and 100%.
Over price history from Polymarket CLOB.
31 points
This market is about whether Daria Kasatkina and Robin Montgomery will play a long enough match at the Libema Open to clear 21.5 total games. In plain English, the question is whether the final scoreline, including any tiebreaks, adds up to at least 22 games before the match ends.
The event is the WTA match between Kasatkina and Montgomery at the Libema Open, originally scheduled for June 8, 2026 at 6:30 AM ET. The settlement rule is straightforward: Over wins if the completed match contains 22 or more games across all sets; Under wins if it finishes on 21 games or fewer. Any tiebreak, including a Champions Super Tiebreak, counts as one game, and if the match starts but does not finish, or is canceled/delayed too long under the rules, the market settles 50-50.
Tennis totals can turn on small swings in match length, especially when a player wins in straight sets versus a match that goes deep into three sets. Kasatkina and Montgomery are the named players because their style, serve effectiveness, and set-by-set competitiveness affect whether the score stays short or stretches past the line. Readers care here because the market is not asking who wins, but how long the official WTA result lasts.
Anything that changes expectations for match length can move this market: a straight-sets result points toward fewer games, while a tight first set or a match that reaches a deciding set pushes toward more. Because tiebreaks count as only one game under these rules, a set with multiple close games can matter less than a long three-set match with no tiebreaks. If the match is delayed, suspended, shortened, or never completed, the special 50-50 settlement rule becomes the key issue rather than the final scoreline.
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 verify is whether the match is officially completed under WTA records, since official WTA statistics control settlement. Check the final score, whether any tiebreak or super tiebreak was played, and whether all sets were finished normally or the match was abandoned. The deadline also matters: if there is no completed result within seven days of the scheduled date, the market does not settle as a normal Over or Under result and instead follows the 50-50 rule.
Track live probability, outcome prices, volume, liquidity, and resolution details for Kasatkina vs. Montgomery: Match O/U 21.5. The market currently shows a live probability of 100%, $115.2 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 Daria Kasatkina and Robin Montgomery in the Libema 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 WTA 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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Spread
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7/6/2026
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24h Vol
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Liquidity
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Spread
1%
7/6/2026
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