There are a number of different statuses which define the current state of an anomaly.
Status
Description
Assigned
The anomaly has been assigned to a user for review.
Dismissed
The anomaly has been dismissed by a user. Dismissed anomalies appear in grey color on the cost/bands graph.
Open
The anomaly is open for review.
Resolved
The anomaly has been resolved. Resolved anomalies appear in green color on the cost/bands graph.
Invalid
If an anomaly becomes invalid after a cost update by AWS, our system automatically hides it from the anomaly graph and list, and marks it as Invalid. Invalid anomalies can only be accessed from the shared link. Upon viewing, the UI highlights the fact that the the anomaly has become invalid after cost update by AWS.