Analytics
Resolved Katerina Siniakova on 20 Oct 2026.
The last daily price before settlement had Katerina Siniakova at 56.5%. The Katerina Siniakova side opened at 56% on 19 Oct 2026. $279.43K traded over the market's life.
92 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of Oct 21, 10:27 AM UTC
Daily closes of the Katerina Siniakova price, Polymarket CLOB, 2 points, 19 Oct 2026 – 20 Oct 2026, chart shows 50%–62%
| Observed | Katerina Siniakova price |
|---|---|
| 19 Oct 2026 | 56.0% |
| 20 Oct 2026 | 56.5% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| HBAFlover98 | Peyton Stearns | 33K |
| CandleHammerDrums | Peyton Stearns | 19.5K |
| kkookkoo | Peyton Stearns | 14.34K |
| Scornful-Gym-Retreat | Peyton Stearns | 5.96K |
| adaio1313 | Peyton Stearns | 2.15K |
| Merc63 | Peyton Stearns | 2.13K |
| GeepaP | Peyton Stearns | 2K |
| SOK0L | Peyton Stearns | 1.82K |
| Dare01 | Peyton Stearns | 1.8K |
| Frank8888 | Peyton Stearns | 1.31K |
Every wallet's public record, and 80,000 ranked by lifetime P&L: Polymarket leaderboard
This market refers to the tennis match between Katerina Siniakova and Peyton Stearns in the Japan Women's Open, originally scheduled for October 18, 2026 at 9:00PM ET. This market will resolve to 'Katerina Siniakova' if Katerina Siniakova advances against Peyton Stearns. This market will resolve to 'Peyton Stearns' if Peyton Stearns advances against Katerina Siniakova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 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.
Official listing: polymarket.com/event/wta-siniako-stearns-2026-10-18
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