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Dollar Retention over Time

Dollar Retention over Time inverts the x-axis and legend of Dollar Retention to show how a company’s retention at certain points in the customer lifecycle (e.g., month 6, month 12) is trending.

To use month 6 as an example, where y is a specific month (e.g., January 2021), and a cohort is the set of customers who had revenue for the first time in month n:


For quarterly and annual aggregation, the formula is applied using revenue from the last month of the period (with y representing a quarter or year).