Segment evolution data – Ometria Help Centre

This table in the segment evolution screen shows how the number of contacts in your saved segment has changed over the selected period.

Each line item corresponds with a bar on the graph, depending on your time period set up (day, week, month).

The example below is organised by day.

You can select the export button Screenshot 2026-01-07 at 10.04.27.png to download the data as a CSV or XLSX file.

Field	Description
Start of period	The starting date and time for this line.
End of period	The end date and time for this line.
Total number of contacts at start of period	The number of contacts in the segment at the start of the period.
Total number of contacts at end of period	The number of contacts in the segment at the end of the period.
Total opted-in contacts at start of period	The number of contacts in the segment at the start of the period who are opted-in to receive marketing communications.
Total opted-in contacts at end of period	The number of contacts in the segment at the end of the period who are opted-in to receive marketing communications.
Total opted-out contacts start of period	The number of contacts in the segment at the start of the period who are opted-out of receiving marketing communications.
Total opted-out contacts at end of period	The number of contacts in the segment at the end of the period who are opted-out of receiving marketing communications.

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