Perfect-record bettor scaling into Kostyuk
This market refers to the tennis match between Marta Kostyuk and Sloane Stephens in the US Open WTA, originally scheduled for September 2, 2026 at 11:00AM ET. This market will resolve to 'Marta Kostyuk' if Marta Kostyuk advances against Sloane Stephens. This market will resolve to 'Sloane Stephens' if Sloane Stephens advances against Marta Kostyuk. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 16, 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.
A highly profitable bettor with a 100% record and meaningful historical edge is adding $25,000 to an already large Marta Kostyuk position.
Total
$25,086
Trades
4
Win Rate
45%
Wallet P&L
+$391,317
Analysis
- This bettor has won all 6 resolved trades and is up $2.09 million on roughly $10 million invested.
- They added $25,000 to an existing $36,600 Kostyuk position, signaling increased conviction rather than routine profit-taking.
- The market saw an unusually large volume spike while Kostyuk traded around 89¢.
Copy Trade
Buy Marta Kostyuk at 89¢
Detected September 2, 2026 at 5:46 PM