Is National Plastic overvalued or undervalued?

As of 10 November 2025, National Plastic's valuation grade has moved from fair to expensive, indicating a shift towards overvaluation. The company is currently assessed as overvalued, with a PE ratio of 16.92, a Price to Book Value of 3.08, and an EV to EBITDA of 8.48. These ratios suggest that the stock is trading at a premium compared to its earnings and book value.
In comparison to its peers, National Plastic's PE ratio is significantly lower than that of Supreme Industries, which stands at 57.96, and Astral, which has a PE of 82.76, both categorized as very expensive. However, it is also worth noting that Finolex Industries, classified as fair, has a PE ratio of 24.4, indicating that National Plastic's valuation is not entirely out of line with some competitors, yet still reflects an expensive position in the market. Additionally, the stock has underperformed against the Sensex year-to-date, with a return of -36.54% compared to the Sensex's 6.91%, reinforcing the notion of overvaluation.