
Polymarket shows market prices. Foretrace adds AI probability estimates, opposing evidence and a price-dependent outcome or pass decision for each open market.
Sampled market observations, not AI forecasts. Lines connect available observations. Legend values are current provider quotes; chart points may be older.
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This market is closed. Its historical data remains available.
How research worksThe FAA issued a ground stop for multiple airports in the Washington, DC area on March 13, including Washington Dulles International Airport (see: https://www.fox5dc.com/news/ground-stop-issued-all-3-dc-area-airports-due-strong-chemical-smell). This market will resolve to “Yes” if a ground stop is no longer in effect for Washington Dulles International Airport for any amount of time by March 13, 2026, 11:59 PM ET. Otherwise, this market will resolve to “No”. If the specified ground stop is confirmed to have been lifted prior to market creation, this will still count for a "Yes" resolution. The primary resolution source for this market will be official information from the FAA and Washington Dulles International Airport; however, a consensus of credible reporting may also be used.
Retrieved 10/4/2026, 12:42:13 AM UTC. Provider data is cached for up to 60 seconds. The upstream quote timestamp can be older.