

Each outcome asks whether “Plague declared public health emergency?” is satisfied by a different deadline, allowing expectations to be compared across shorter and longer time windows.
The available deadlines are November 30 and December 31.
Each deadline uses the exact qualifying event, source, cutoff time, and time-zone rules documented in the Resolution Rules below.
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Oct 5, 2026 · 10:49pm GMT+3
Dec 1, 2026 · 7:59am GMT+3
Dec 1, 2026 · 8:29am GMT+3
This market will resolve to "Yes" if the World Health Organization officially declares a Public Health Emergency of International Concern covering plague, Yersinia pestis, pneumonic plague, or any plague outbreak between market creation and the specified date, 11:59 PM ET. Otherwise, this market will resolve to "No".
Only a determination that constitutes a Public Health Emergency of International Concern under the International Health Regulations will qualify. Other designations will not be considered, including the convening of an Emergency Committee, a Disease Outbreak News publication, a grade assigned under the WHO Emergency Response Framework, and a characterization of the outbreak as a pandemic.
A Public Health Emergency of International Concern already in effect at market creation does not qualify; the declaration must occur between market creation and the specified date.
The primary resolution source for this market will be official information from the WHO; however, a consensus of credible reporting may also be used.