What is the Estimated Reach of a post?
Capucine DE LUCA avatar
Written by Capucine DE LUCA
Updated over a week ago

If you are new in the influencer marketing world, or you simply want to know how we calculate it at Stellar, keep reading because this article is for you! 😉

The Estimated Reach, which can be seen in the Reports module, refers to the potential number of unique people who saw a post or story from the campaign.

That's why it's called Estimated and sometimes, you see numbers with a comma; for example, 908,5 ER means there are between 908 and 909 people who saw that content. Thus, it is an estimation, unlike the Actual Reach, which is a specific and real number. 

Based on historical data and market standards, we estimate that:

  • On Twitter and Facebook, published posts are seen by 30% of the influencer's followers.

  • On YouTube, 75% of the video views are unique viewers.

  • On TikTok, 68% of the video views are unique viewers.

For Instagram (posts/stories/reels), our unique machine-learning system uses a combination of factors to estimate the reach of an influencer campaign:

- The post or participant or influencer sheet engagement rate. 

- The number of followers.

- The audience credibility score.

- The publication frequency. 

This model is created on a set of data from previous influencer campaigns, in order to learn the links between these factors and the reach. In this way, it can predict the reach of future campaigns.

*Actual reach - which is private data that can be shared by the influencer(s) - can be added manually at any time on the Reports > Posts section. 

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