Persistent Data denotes information that is infrequently accessed and not likely to be modified.

The opposite of this is dynamic data

Dynamic data

Dynamic data or transactional data denotes information that is asynchronously changed as further updates to the information become available....

 (also known as transactional data) where information is asynchronously changed as further updates to the information become available. Updates to dynamic data

Dynamic data

Dynamic data or transactional data denotes information that is asynchronously changed as further updates to the information become available....

may come at any time, with periods of inactivity in between.