Is Orion SA overvalued or undervalued?

As of 31 October 2025, the valuation grade for Orion SA has moved from attractive to very expensive, indicating a shift towards overvaluation. The company appears overvalued based on key metrics, including a P/E ratio of 7, an EV to EBIT of 11.01, and an EV to EBITDA of 5.81. In comparison to peers, Orion SA's P/E ratio is significantly lower than Tronox Holdings Plc's -3.44 and Green Plains, Inc.'s -6.44, suggesting that it is trading at a premium despite its lower profitability metrics.
Recent stock performance highlights the valuation concerns, with Orion SA experiencing a year-to-date return of -66.43%, significantly underperforming the S&P 500, which returned 16.30% in the same period. This stark contrast reinforces the notion that Orion SA is overvalued in the current market environment.