Is Blink Charging Co. overvalued or undervalued?

As of 11 February 2019, Blink Charging Co. moved from fair to risky, indicating a deterioration in its valuation outlook. The company is overvalued given its negative financial metrics, with a Price to Book Value of 0.87, an EV to Sales ratio of 0.47, and a ROE of -70.97%. In comparison to peers, Blink's valuation is significantly lower, with Despegar.com Corp. showing a P/E of 51.86 and Agiliti, Inc. at -69.98, highlighting the challenges Blink faces in its industry.
The stock has shown mixed performance against the S&P 500, with a notable 1-month return of 37.86% compared to the S&P's 2.33%, but a troubling 3-year return of -93.56% versus the S&P's 70.41%. This underperformance over the long term reinforces the perception that Blink Charging Co. is currently overvalued.