You could be right, this could happen when a post has been deleted, but there might be another reason for this: an answer of yours used to be one of the top answers on a question, but due to downvotes, upvotes on a competing answer or an unaccept it doesn't qualify anymore for the 'people reached' formula, which is described here: We're working on a new stat to help convey the reach of your posts here.
That's how we got to the current method, which counts views on the following:
- Answers - Views of the parent question for answers that are:
- Non-deleted AND
- Score > 0 AND
- Also meets one or more of the following criteria:
- In the top 3 answers OR
- Is the Accepted Answer OR
- Score at least 5 OR
- Has at least 20% of the total vote count
View counts on individual posts never decrease.
Be aware that this number is just an estimate; it's roughly the number of
Views of pages where your helpful posts had some decent probability of being seen.
That doesn't mean we know the visitor scrolled to your post, or that your answer helped them - we simply don't track that.