Siniakova vs. McNally: Match O/U 23.5

• 1

  Down 9pp over 24h

  Now 41¢; +1.0pp in the last hour.

• 2

  Resolution-risk signal firing

  Expires in 178h with open resolution ambiguity.

• 3

  Wide spread — 13.0¢

  Bid-ask spread is wide enough that intraday moves overstate any tradeable edge. Most of the headline pp move would be eaten by spread on a market order.

Each factor is grounded in a single named metric you can verify on this page — probability, volume, liquidity, signal, resolution state. No predictions, no prose hallucinations.

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This market refers to the tennis match between Katerina Siniakova and Caty McNally in the Madrid Open, originally scheduled for April 26, 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.