Analytics
Resolved No on 1 Sep 2025.
The last daily price before settlement had No at 99.6%. Yes opened at 6.5% on 23 Jul 2025. Before it settled, across the 41 daily closes on record from 23 Jul 2025 to 1 Sep 2025, the highest close was 6.5% on 23 Jul 2025 and the lowest 0.4% on 28 Aug 2025. $16.6K traded over the market's life.
9 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of Sep 2, 9:16 AM UTC
Daily closes of the Yes price, Polymarket CLOB, 41 points, 23 Jul 2025 – 1 Sep 2025, chart shows 0%–10%
| Observed | Yes price |
|---|---|
| 23 Jul 2025 | 6.5% |
| 1 Sep 2025 | 0.4% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| Bright Horizon 81D6 | Yes | 5.14K |
| Quiet Sphinx 8569 | Yes | 146.2 |
| NewYorker77 | Yes | 52.13 |
| Bright Signal 14DE | Yes | 24.99 |
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 will resolve to "Yes" if definitive evidence confirming that Joe Biden was using Ambien or another prescription sleep aid primarily prescribed for insomnia in the period leading up to the June 27, 2024, presidential debate is made public by August 31, 2025, 11:59 PM ET. Otherwise, this market will resolve to "No". Qualifying evidence includes but is not limited to public statements from Joe Biden, a named personal physician, official medical records, or other definitive evidence. Unverified or anonymous claims, or documents not substantiated by credible reporting will not qualify. The primary resolution source will be a consensus of credible reporting and official information from Joe Biden.
Official listing: polymarket.com/event/joe-biden-pre-debate-ambien-use-confrimed
| Similar-Bungalow | Yes | 20 |
| Zbky | Yes | 14.29 |
| ddfgFG | Yes | 1.54 |
| ratue | Yes | 0.05 |
| BUFI.vufi | No | 0.02 |
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