Investors will also notice that PBYI has a PEG ratio of 1.38. This popular figure is similar to the widely-used P/E ratio, but the PEG ratio also considers a company's expected EPS growth rate. PBYI's industry has an average PEG of 2.72 right now. Over the past 52 weeks, PBYI's PEG has been as high as 0.00 and as low as 0.00, with a median of 0.00.
https://finance.yahoo.com/news/investors-undervaluing-puma-biotechnology-pbyi-134004918.html