As a product manager aiming to boost user engagement on Instagram Stories, the primary metric I would focus on is the engagement rate . In particular, I would examine metrics such as the average completion rate, stories reply rate, exit rate, and the rates of taps forward and backward. Following that, I would monitor the reach rate , which indicates the number of unique users who have viewed one of our stories. It would also be essential to keep an eye on the impression rate , as this reflects how many times a story has been viewed. In addition, I would assess the conversion rate to determine if viewers are taking desired actions after viewing the stories, such as visiting a profile, sending a message, or making a purchase. Lastly, utilizing analytics tools to collect demographic information would provide insights into who our engaged users are. This understanding could guide us in tailoring our stories for these users, potentially enhancing overall engagement.