Free forecasting tool

Viral Velocity Calculator

Measure whether a short is accelerating relative to its own history and turn that movement into a transparent 24-hour forecast range.

Free to useNo signupPrivate by default

This is a transparent heuristic forecast, not a promise about an algorithm. Update the recent hourly value to see how the range changes.

Your velocity forecast appears here

Use two snapshots an hour apart for the most useful recent velocity.