Is Globalstar, Inc. overvalued or undervalued?

As of 7 May 2020, the valuation grade for Globalstar, Inc. changed from expensive to risky, indicating a deterioration in its valuation outlook. The company appears to be overvalued given its high valuation ratios, including a Price to Book Value of 7.32, an EV to EBITDA of 30.31, and an EV to Sales of 10.95. In comparison, Liberty Broadband Corp. has a more attractive EV to EBITDA of 34.32, while Telephone & Data Systems, Inc. has a risky EV to EBITDA of 8.08, highlighting the relative overvaluation of Globalstar.
Despite recent strong stock performance, with a one-year return of 93.61% compared to the S&P 500's 17.14%, the underlying financial metrics suggest that Globalstar is not positioned favorably in the market. Overall, the combination of high valuation ratios and negative profitability indicators like a -8.93% ROE leads to the conclusion that Globalstar, Inc. is overvalued.