
The Graham Maassen side is at 50%, down 1 point from 51% when the market opened on 19 Oct 2026.
Across the 5 daily closes on record from 19 Oct 2026 to 23 Oct 2026, the highest close was 51% on 19 Oct 2026 and the lowest 50% on 20 Oct 2026.
It is one of 3 markets under “M15 Heraklion: Graham Maassen vs Adam Soukup”.
$9.61 traded in the last 24 hours. The order book holds $9.8K, with a 2.0% gap between the best bid and the best ask.
The largest Graham Maassen position is ArbTraderRookie with 10 shares; the largest Adam Soukup position is Swift Signal F1D2 with 10.
Trading closes on 26 Oct 2026, 4 days from now.
Polymarket prices as of Oct 23, 2:22 AM UTC
The paper ticket needs a verified Yes / No pair, which this market does not have here.
Open in PredictionsDaily closes of the Graham Maassen price, Polymarket CLOB, 5 points, 19 Oct 2026 – 23 Oct 2026, chart shows 45%–60%
| Observed | Graham Maassen price |
|---|---|
| 19 Oct 2026 | 51.0% |
| 23 Oct 2026 | 50.0% |
The ten largest positions on Polymarket's public holder list.
| Trader | Outcome | Shares |
|---|---|---|
| Swift Signal F1D2 | Adam Soukup | 9.62 |
| ArbTraderRookie | Graham Maassen | 9.61 |
Open a trader’s name to inspect the wallet’s available P&L, positions and recorded trades, with source dates and coverage. A large position alone does not establish a winning track record.
This market refers to the tennis match between Graham Maassen and Adam Soukup in the M15 Heraklion, Qualifying, originally scheduled for October 19, 2026 at 3:00AM ET. This market will resolve to 'Graham Maassen' if Graham Maassen advances against Adam Soukup. This market will resolve to 'Adam Soukup' if Adam Soukup advances against Graham Maassen. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Official listing: polymarket.com/event/itf-maasse1-soukup1-2026-10-19
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