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Over vs Under: who will win?

>99% say Under wins

Down 17 points today.

Decided when the match ends. It is scheduled for October 27 at 2:00 PM .

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.

The short version

Sestao River Club and RCD Espanyol de Barcelona: O/U 4.5 play a match, scheduled for October 27 at 2:00 PM ET.

Possible results

  • OverOver wins.<1%

    What has to happen

    Sestao River Club and RCD Espanyol de Barcelona combine to score 5 or more goals in this game.

  • UnderUnder wins.>99%

    What has to happen

    The combined total is less than 5.

The one trap

If the game is postponed, the market stays open until it is played.

See all fine print
  • If the game is postponed, this market will remain open until the game has been completed.
  • If the game is canceled entirely, with no make-up game, this market will resolve 50–50.
Price chart
-Yes chance

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The details

Rule note: 90 minutes only, a draw settles NoSettled by Official league stats
Fine-print risk
Low (5/100)
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 Official statistics of the governing body / event organizer; backups: Flashscore, Sofascore; credible reporting as a last resort. Posts the final result after the game. No recorded moves for this market yet.
  • Fine print: Only the first 90 minutes plus stoppage time count; extra time and penalties are ignored, so a draw after 90 minutes settles No on a team-to-win contract. Deadline: Tue, Oct 27, 2026, 2:00 PM ET (scheduled start). Check regulation vs. overtime inclusion (this contract counts the first 90 minutes plus stoppage only), the postponement rule (Polymarket holds open until the game is played) and cancellation handling (per the rules vs. void/refund on sportsbooks and Kalshi's own contract terms).

Source named: Official league stats (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.

Show 1 smaller price or trading-volume entries

  • Trading picked up (about 3 times the usual hourly amount).

    2h ago

Full rules text on file (Polymarket)

In the upcoming Copa del Rey game between Sestao River Club and RCD Espanyol de Barcelona, scheduled for October 27 at 2:00 PM ET: This market will resolve to "Over" if Sestao River Club and RCD Espanyol de Barcelona combine to score 5 or more goals in this game. If the combined total is less than 5, this market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50–50. If the game is started but not completed, this market will resolve according to the official final score published on rfef.es. This market refers only to the outcome within the first 90 minutes of regular play plus stoppage time. The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, data from Flashscore may be used; if Flashscore data is unavailable, data from Sofascore may be used; if neither is available, a consensus of credible reporting may be used instead. All markets will settle based on the official final result as recognized by the governing body or event organizers. Revisions to officially declared final scores made after market resolution will not be accounted for in determining the outcome. If no acceptable data is available within 24 hours of the event's conclusion, this market will resolve 50-50, or to "Draw" where applicable.

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