
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.
These are market-implied probabilities, not AI forecasts. A displayed quote may differ from the price available for your order.
This market is closed. Its historical data remains available.
How research worksThis market will resolve to “Yes” if Bryan Johnson sustains a nighttime erection for 2 hours and 12 minutes or more based upon the highest of three readings taken during the last week of December 2024. Otherwise, this market will resolve to “No.” The resolution source for this market will be information from Bryan Johnson. If Bryan Johnson does not release relevant data by January 15, 2025, 12:00 PM ET, this market will resolve to 50-50.
Retrieved 10/4/2026, 4:56:42 AM UTC. Provider data is cached for up to 60 seconds. The upstream quote timestamp can be older.