Formula
observed rare share = rare results ÷ total hatches; hatches per hour = hatches ÷ minutes × 60
How to collect usable inputs
- Count every hatch, including ordinary outcomes.
- Keep event, boost and egg-source notes with screenshots.
- Combine sessions only when conditions match.
Limit you should keep with the result
Observed share describes your sample; it is not an official drop rate.
For named pets and source context, cross-check the 106-slot Pet Index. For a complete set of decision aids, return to all Steal An Egg tools.