What formula would you use to calculate Amazon DSP CPM using the fields available in dsp_impressions?

  • (SUM(total_cost)/100000)/(SUM(impressions))*1000 AS avg_cpm
  • ((SUM(spend)/100000000)/SUM(impressions))*1000 AS avg_cpm
  • ((SUM(total_cost)/100000)/SUM(impressions))/1000 AS avg_cpm

The correct answer is:

  • ((SUM(spend)/100000000)/SUM(impressions))*1000 AS avg_cpm