The March 31, 2026, deadline passed without any official US government confirmation—such as a White House, DoD, or intelligence community statement—identifying a specific device as the cause of anomalous health incidents known as Havana Syndrome. Trader consensus at 100% "No" reflects this absence, despite January 2026 reports of DHS acquiring a backpack-sized device with Russian components via undercover operation, followed by over a year of DoD testing and March disclosures of animal trials on rats and sheep yielding inconclusive results. Prior intelligence assessments, including the December 2024 ODNI update, deem foreign adversary involvement very unlikely, reinforcing skepticism. Post-deadline, only a retroactive official confirmation could challenge resolution, though procedural hurdles make this improbable.
Experimental AI-generated summary referencing Polymarket data · UpdatedUS confirms Havana Syndrome–causing device by March 31?
US confirms Havana Syndrome–causing device by March 31?
$86,028 Vol.
$86,028 Vol.
Mar 31, 2026
$86,028 Vol.
$86,028 Vol.
Mar 31, 2026
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.The March 31, 2026, deadline passed without any official US government confirmation—such as a White House, DoD, or intelligence community statement—identifying a specific device as the cause of anomalous health incidents known as Havana Syndrome. Trader consensus at 100% "No" reflects this absence, despite January 2026 reports of DHS acquiring a backpack-sized device with Russian components via undercover operation, followed by over a year of DoD testing and March disclosures of animal trials on rats and sheep yielding inconclusive results. Prior intelligence assessments, including the December 2024 ODNI update, deem foreign adversary involvement very unlikely, reinforcing skepticism. Post-deadline, only a retroactive official confirmation could challenge resolution, though procedural hurdles make this improbable.
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.
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.
Market Opened: Jan 13, 2026, 2:15 PM ET
Volume
$86,028End Date
Mar 31, 2026Market Opened
Jan 13, 2026, 2:15 PM ETResolver
0x65070BE91...Outcome proposed: No
Dispute window
Final
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.The March 31, 2026, deadline passed without any official US government confirmation—such as a White House, DoD, or intelligence community statement—identifying a specific device as the cause of anomalous health incidents known as Havana Syndrome. Trader consensus at 100% "No" reflects this absence, despite January 2026 reports of DHS acquiring a backpack-sized device with Russian components via undercover operation, followed by over a year of DoD testing and March disclosures of animal trials on rats and sheep yielding inconclusive results. Prior intelligence assessments, including the December 2024 ODNI update, deem foreign adversary involvement very unlikely, reinforcing skepticism. Post-deadline, only a retroactive official confirmation could challenge resolution, though procedural hurdles make this improbable.
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.
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.
Volume
$86,028End Date
Mar 31, 2026Market Opened
Jan 13, 2026, 2:15 PM ETResolver
0x65070BE91...Outcome proposed: No
Dispute window
Final
The March 31, 2026, deadline passed without any official US government confirmation—such as a White House, DoD, or intelligence community statement—identifying a specific device as the cause of anomalous health incidents known as Havana Syndrome. Trader consensus at 100% "No" reflects this absence, despite January 2026 reports of DHS acquiring a backpack-sized device with Russian components via undercover operation, followed by over a year of DoD testing and March disclosures of animal trials on rats and sheep yielding inconclusive results. Prior intelligence assessments, including the December 2024 ODNI update, deem foreign adversary involvement very unlikely, reinforcing skepticism. Post-deadline, only a retroactive official confirmation could challenge resolution, though procedural hurdles make this improbable.
Experimental AI-generated summary referencing Polymarket data · Updated
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