Is Planet Fitness, Inc. overvalued or undervalued?

As of 1 March 2017, the valuation grade for Planet Fitness, Inc. moved from expensive to risky. The company is currently considered overvalued based on its high P/E ratio of 49, which significantly exceeds the peer average of 21.11 for Service Corp. International, and its EV to EBITDA ratio of 21.28, which is also higher than the peer average of 12.77. Additionally, the PEG ratio stands at 2.59, indicating that the stock may not be a good value given its growth prospects.
In comparison to its peers, Planet Fitness, Inc. has a P/E ratio that is markedly higher than those of H&R Block, Inc. at 13.76 and Valvoline, Inc. at 18.23. The company's recent stock performance shows a 1-year return of 20.57%, which outpaces the S&P 500's return of 17.14%, but over longer periods, such as 3 years and 5 years, it significantly lags behind the S&P 500. This suggests that while the stock has performed well recently, its high valuation metrics indicate it may be overvalued in the current market context.