AnswerThePublic bases its Cost-Per-Click (CPC) values on estimations and information from its own data provider. We update it on a monthly basis. So, the data you see is related to the previous month.
The best way to evaluate our data is to cross-check with Google Keyword Planner from Google ads.
The purpose of having Cost-Per-Click (CPC) is mainly to add another layer of information to the content analysis since AnswerThePublic is built for and focused on content powerful that can help you generate content ideas that are not only relevant but also optimized for SEO.
Still, have questions? Please, reach out to firstname.lastname@example.org.