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Tennis

Strakhova vs Costoulas: who will win?

>99% say Valeriya Strakhova wins

No price change recorded today yet.

Match time has passed. Waiting for the official result.

Polymarket lists November 3, 2026 as the end date, but the rules allow until November 10, 2026.

Each share pays $1 if it happens, so a price over 99¢ means more than a 99% chance.

Research, not advice. Prices from Polymarket’s international site, not available in the US. Sports event contracts are restricted or under legal challenge in several US states. Check your state’s law and the venue’s terms.

The short version

Valeriya Strakhova and Sofia Costoulas play a tennis match at the Queretaro, scheduled for October 27, 2026 at 3:30 PM .

Possible results

  • Valeriya StrakhovaValeriya Strakhova wins and moves on.>99%

    What has to happen

    Valeriya Strakhova advances against Sofia Costoulas.

  • Sofia CostoulasSofia Costoulas wins and moves on.<1%

    What has to happen

    Sofia Costoulas advances against Valeriya Strakhova.

The one trap

If the match is canceled, ends in a tie, or still has no winner by November 10, 2026, the market settles 50-50 and every share pays 50¢.

See all fine print
  • If a player stops partway through (retires), or is defaulted or disqualified, the player who moves on wins the market.
  • If a player pulls out before the match starts (a walkover), the market settles 50-50.
  • The official result comes from the WTA Tour. Trusted news reports can also be used.
Price chart
-Yes chance

Recorded moves

  • The price rose 19.4 points in about 15 minutes, from 80.5¢ to 100¢. This market has no official data feed that we track.

    Named source: WTA official45m ago

  • The price rose 39.0 points in about 15 minutes, from 46.5¢ to 85.5¢. This market has no official data feed that we track.

    Named source: WTA official1h ago

View on Polymarket

Show details for experienced traders

The details

Rule note: full game including overtimeSettled by WTA official
Fine-print risk
Low (10/100)
Match / Game Final

Pro adds the exact price, today’s change in points, buyers vs sellers in dollars, the price chart and every recorded move. See Pro

  • Official source: settlement runs on WTA official results; credible reporting as a last resort. Posts the final result after the game. No recorded moves for this market yet.
  • Fine print: Settles on the official final result as played, overtime included. Postponed games stay open until completed; cancellations follow the stated fallback. Deadline: Tue, Oct 27, 2026, 3:30 PM ET (scheduled start). Check regulation vs. overtime inclusion, the postponement rule (see rules) and cancellation handling (per the rules vs. void/refund on sportsbooks and Kalshi's own contract terms).

Source named: WTA official (not a tracked official feed, no release history)

Standardized read of public order book, official-source and contract-rule data, identical for every viewer. It describes the data and is not a recommendation. The venue’s published rules control settlement.

Full rules text on file (Polymarket)

This market refers to the tennis match between Valeriya Strakhova and Sofia Costoulas in the Queretaro, originally scheduled for October 27, 2026 at 3:30PM ET. This market will resolve to 'Valeriya Strakhova' if Valeriya Strakhova advances against Sofia Costoulas. This market will resolve to 'Sofia Costoulas' if Sofia Costoulas advances against Valeriya Strakhova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 10, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.

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