Analytics
Resolved No on 1 Apr 2026.
The last daily price before settlement had No at 99.7%. Yes opened at 15.5% on 14 Jan 2026. Before it settled, across the 77 daily closes on record from 14 Jan 2026 to 1 Apr 2026 (1 day in that span have no close), the highest close was 15.5% on 14 Jan 2026 and the lowest 0.3% on 1 Apr 2026. Its largest one-day move was 5 points up, to 13.5% on 25 Jan 2026. $87.06K traded over the market's life.
65 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of Apr 2, 7:46 AM UTC
Daily closes of the Yes price, Polymarket CLOB, 77 points, 14 Jan 2026 – 1 Apr 2026, chart shows 0%–20%
| Observed | Yes price |
|---|---|
| 14 Jan 2026 | 15.5% |
| 1 Apr 2026 | 0.3% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| Embellished-Stepfather | Yes | 1.82K |
| Herald-PS | Yes | 1.08K |
| jackson411 | Yes | 757.46 |
This market will resolve to “Yes” if the President of the United States, any member of the Cabinet of the United States, any member of the Joint Chiefs of Staff, or any U.S. federal agency definitively states that a man-made device or weapon exists that is responsible for, or capable of causing, Havana Syndrome or Havana Syndrome-like symptoms by March 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to “No”. The primary resolution source for this market will be official information from the government of the United States; however, a consensus of credible reporting will also be used.
Official listing: polymarket.com/event/us-confirms-havana-syndromecausing-device-by-march-31
| Yes |
| 511.65 |
| 0xRocket666 | Yes | 200 |
| zabaniya6666 | Yes | 149.13 |
| Newshound | Yes | 120 |
| raethran | Yes | 109.57 |
| 88mnm88 | Yes | 108.5 |
| Kageyo | Yes | 100 |
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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