As you can see on the data exposed here we have a PH score of 65 for this particular show, this is a moving average scoring mechanism and is updated constantly based on multiple key data points that are key to podcasts.

Use this as a search filter to build lists of shows that you want to monitor over time and see if they are improving before you reach out to them, determine if new shows are rising that you wish to be a guest on before they become mainstream.