{% docs activation_epoch %}

The epoch when the stake was activated. This field tracks when the stake delegation became active and started earning rewards, enabling activation analysis and timeline tracking.

**Data type:** INTEGER (epoch number)
**Business context:** Used to track stake activation timing, analyze delegation patterns, and measure stake lifecycle.
**Analytics use cases:** Activation timing tracking, delegation pattern analysis, and lifecycle measurement.
**Example:** 123, 456, 789

{% enddocs %} 