Is SmileDirectClub, Inc. overvalued or undervalued?

As of 8 July 2024, the valuation grade for SmileDirectClub, Inc. has moved from risky to does not qualify, indicating a significant deterioration in its financial standing. The company is overvalued, as evidenced by its P/E ratio of -0.0002, EV to EBIT of -3.87, and a troubling ROE of -273.42%. Comparatively, peers like Modular Medical, Inc. and Check-Cap Ltd. have P/E ratios of -1.8607 and -0.2464, respectively, highlighting that SmileDirectClub is underperforming relative to its industry.
The company's stock has experienced a complete loss of value, with returns of -100% over the past week, month, year, and even over three to ten years, starkly contrasting with the S&P 500's positive returns during the same periods. This further reinforces the notion that SmileDirectClub is not only overvalued but also struggling to maintain any semblance of market viability.