Historical outliers are points within your data that represent unusual activity. These outlier data points differ significantly from the other data points that surround them.
Typically historical outliers look like large spikes or dips in your product’s sales:
Crisp will flag your historical outliers for you to review. Anomalous spikes in your data will be labeled with an “S” and dips will be labeled with a “D.” You can also click the Historical Outliers button to learn more about each outlier.