SureMDM saves different types of historical data. The number of days this data remains saved depends on account types available in SureMDM. SureMDM supports 3 types of accounts which are Standard, Premium, and Enterprise. For details on the difference between these accounts can be found here
One of the pointers that differ for these account types is the Historical data. Below are the types of historical data SureMDM gathers from the device.