Available on all Amplitude plans.
In Amplitude’s Event Segmentation chart, Custom Formulas allow you to run calculations and create time series charts with greater flexibility. They can also compare multiple metrics or analyses on the same Event Segmentation chart.
Now, you can apply user segments as inputs to custom formulas, which unlocks user based metrics such as the ratio of two cohort populations over time (Uniques (Cohort A) / Uniques (Cohort B) ). See our documentation here to learn more about custom formulas.