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Sao Paulo Open: Mary Stoiana vs Paula Badosa

Chance

31%

Buy Yes

31¢

pays $1 if it happens

Buy No

70¢

pays $1 if it doesn’t

Vol 24h

$22.6K

as Polymarket reports it · 23 fills

Spread

round trip

Prices from Polymarket, updated 7 minutes ago. Ends Sep 25, 1:00 PM UTC.

Price over the last 2 weeks
Cost of a Yes share
Order book
Live from the venue feed · updated 2 seconds ago

Buy Yes (bids)

  • 30¢14,826$4.4K
  • 29¢35,543$10.3K
  • 28¢23,527$6.6K
  • 27¢6,552$1.8K
  • 26¢27,620$7.2K

Sell Yes (asks)

  • 31¢10,723$3.3K
  • 32¢18,098$5.8K
  • 33¢1,638$541
  • 34¢4,821$1.6K
  • 35¢195$68
Spread
Mid
30.5¢
Microprice
30.6¢
Within 5¢
$34.4K · $24.2K
More money on NoImbalance +17%More money on Yes

Latest trades

  • 1 hour agoBought Mary Stoiana at 31¢$155
  • 1 hour agoBought Mary Stoiana at 31¢$155
  • 1 hour agoBought Paula Badosa at 69.9¢$10,570
  • 1 hour agoBought Paula Badosa at 69¢$1
  • 3 hours agoBought Paula Badosa at 69¢$2
  • 4 hours agoBought Mary Stoiana at 32¢$2
  • 6 hours agoBought Paula Badosa at 69¢$3
  • 6 hours agoBought Paula Badosa at 68¢$61
  • 6 hours agoBought Paula Badosa at 68¢$1
  • 6 hours agoBought Paula Badosa at 68¢$1

Rules

How this market is decided

This market refers to the tennis match between Mary Stoiana and Paula Badosa in the Sao Paulo Open, originally scheduled for September 18, 2026 at 9:00AM ET. This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Paula Badosa. This market will resolve to 'Paula Badosa' if Paula Badosa advances against Mary Stoiana. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 2, 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.

Rule history

  1. Changed: game startGame start moved from 2026-09-18T13:00:00Z to 2026-09-18T21:30:00Z.
  2. First recorded

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