Podtrac published its ranker of the top twenty podcasts in October 2018. Serial topped the chart for another month on the strength of a newly-released third season for the true crime program. The only change in the shows included was The Dave Ramsey Show edging out The Moth. Otherwise, only the order shuffled from the September ranker.
These charts are calculated based on internal data for Podtrac clients, while non-clients are assessed by using publicly available data in the company’s algorithms.