The Insights tab in Creator Studio's Instagram section helps you learn more about your Instagram account, including information about your audience and how people interact with your content. This section includes insights from just the past 7 days and only at an account level. For insights about specific Instagram posts, go to the Content Library tab and click on a post. All of your posts are visible there, regardless when they were published.
You can view the following in the Insights tab:
Facebook estimates some metrics and dimensions using sampling or modeling. Estimated metrics can provide directional insights for outcomes that are hard to precisely quantify. They may evolve as we gather more data. Learn more about estimated and in development metrics.