
Polymarket shows market prices. Foretrace adds AI probability estimates, opposing evidence and a price-dependent Yes, No or pass decision on eligible markets.
Sampled market observations, not AI forecasts. Lines connect available observations. Legend values are current provider quotes; chart points may be older.
These are market-implied probabilities, not AI forecasts. A displayed quote may differ from the price available for your order.
This market is closed or awaiting resolution.
Check AI research coverageThis market will resolve to "Yes" if President Joseph Biden takes a test specifically for measuring his cognitive capacity, and it is publicly reported that he took such a test, between February 12 and March 31, 2024 ET. Otherwise, this market will resolve to "No". The primary resolution source for this market will be official information from the US government, however a consensus of credible reporting will also be used.
Retrieved 10/3/2026, 6:52:15 PM UTC. Provider data is cached for up to 60 seconds. The upstream quote timestamp can be older.
A research report should explain the odds, challenge the thesis, and show what could change the answer.
This event is available to explore. Research coverage is assessed separately.