Analytics
The Tallon Griekspoor side is at 66.5%, up 33 points from 33.5% when the market opened on 28 Oct 2026.
Across the 2 daily closes on record from 28 Oct 2026 to 28 Oct 2026, the highest close was 64.5% on 28 Oct 2026 and the lowest 33.5% on 28 Oct 2026. The current quote, 66.5%, is above every close in that window; the latest close was 64.5% on 28 Oct 2026. Its largest one-day move was 31 points up, to 64.5% on 28 Oct 2026.
It is one of 16 markets under “Erste Bank Open: Tallon Griekspoor vs Brandon Nakashima”.
$45.21K traded in the last 24 hours, out of $45.6K since listing. The order book holds $150.92K, with a 1.0% gap between the best bid and the best ask. Across the latest 274 trades, $21.13K bought Tallon Griekspoor and $11.1K bought Brandon Nakashima; the largest was a $1.95K buy of Brandon Nakashima at 39.0¢.
The largest Tallon Griekspoor position is UpTheBlues with 12.6K shares; the largest Brandon Nakashima position is VeryLucky888 with 7.5K. Ten wallets hold 55.4% of the shares on Polymarket's public holder list.
Trading closes on 3 Nov 2026, 6 days from now.
Polymarket prices as of Oct 28, 12:58 PM UTC
The paper ticket needs a verified Yes / No pair, which this market does not have here.
Open in PredictionsDaily closes of the Tallon Griekspoor price, Polymarket CLOB, 2 points, 28 Oct 2026 – 28 Oct 2026
| Observed | Tallon Griekspoor price |
|---|---|
| 28 Oct 2026 | 33.5% |
| 28 Oct 2026 | 64.5% |
The ten largest positions on Polymarket's public holder list.
| Trader | Outcome | Shares |
|---|---|---|
| UpTheBlues | Tallon Griekspoor | 12.57K |
| VeryLucky888 | Brandon Nakashima | 7.5K |
| ferrariChampions2026 | Tallon Griekspoor | 7.06K |
This market refers to the tennis match between Tallon Griekspoor and Brandon Nakashima in the Erste Bank Open, originally scheduled for October 27, 2026 at 5:00AM ET. This market will resolve to 'Tallon Griekspoor' if Tallon Griekspoor advances against Brandon Nakashima. This market will resolve to 'Brandon Nakashima' if Brandon Nakashima advances against Tallon Griekspoor. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 10, 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 ATP Tour. A consensus of credible reporting may also be used.
Official listing: polymarket.com/event/atp-grieksp-nakashi-2026-10-27
4 more markets, none above 48.0%.
| 6512395314597884 | Brandon Nakashima | 6.28K |
| Cold-Beech-Ability | Brandon Nakashima | 5K |
| omnibus-076daa | Tallon Griekspoor | 4.89K |
| Scornful-Gym-Retreat | Brandon Nakashima | 4.32K |
| HomeRunHazard | Tallon Griekspoor | 3.85K |
| RN1 | Tallon Griekspoor | 3.81K |
| Swift Signal F1D2 | Brandon Nakashima | 3.43K |
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.
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