When configuring a custom alert you may come across the terms Spike and Plummet in Step 2.
The thresholds for a spike or a plummet vary per metric.
- Select an alert type (such as
Share of Voice).
Plummetfrom the Action dropdown.
- Toggle from Sample Alert to Explanation to see what will trigger an alert.
Spike in Share of Voice
This alert triggers when share of voice for an app goes up a lot compared to its share of voice over the last 15 days.
This will tell you when a competitor is increasing their ad spend and allow you to analysis why they are doing a burst campaign.
If an app jumps from 2% share of voice to 6% share of voice suddenly, this alert will trigger.
If there is anything to configure in the following step, this will also be listed.
Sensor Tower uses a combination of statistical analyses, including standard deviation, mean, and median, to determine when these spikes and plummets trigger.