Is Ribbon Communications, Inc. overvalued or undervalued?

As of 16 February 2022, the valuation grade for Ribbon Communications, Inc. moved from fair to risky, indicating a potential overvaluation. The company appears to be overvalued based on its Price to Book Value of 1.71, an EV to EBIT of 39.88, and a negative ROE of -9.94%. In comparison, peers such as i3 Verticals, Inc. have a significantly higher P/E ratio of 86.60, while Gambling.com Group Ltd. is considered fair with an EV to EBITDA of 7.39.
The recent stock performance shows that Ribbon Communications, Inc. has underperformed against the S&P 500 over various periods, particularly with a year-to-date return of -4.57% compared to the S&P 500's 12.22%. This underperformance reinforces the notion that the stock may be overvalued in its current state.