PredictionBook is a website created by Tricycle Developments to allow users to record predictions with specific end dates. Confidence is measured and used in statistics & graphs showing each user's prediction history.

PB has >8374 prediction topics recorded, >9239 individual predictions judged, and >215 prediction topics maturing in the next 2 years.

Less Wrong users

These Less Wrong users have accounts at PredictionBook:

Blog posts

See also