B. Reserved Instances table

The table contains a row per reserved instance and provides information such as the reserved instance ID, instance type, start and end date of the reservation, number of instances purchased in the reservation, monthly savings, and percentage of used hours. These values are populated from your detailed AWS billing report.

To know the savings for a specific reserved instance, review the Savings column value. A negative amount is highlighted in Red color. The negative amount means that the instances in the reserved instance are not optimally utilized and you are paying for unused resources.

The Used Hours column value provides the total percentage of hours that a reserved instance is used. 

As shown in the following example, you can review the values in the Savings and Used Hours columns to determine whether a reserved instance is optimally utilized or not.

By default, some columns are hidden. For example, Tenancy, Max saving. You can show or hide columns using the action menu that is located next to the table title.