Is Amkor Technology, Inc. overvalued or undervalued?

As of 17 October 2025, the valuation grade for Amkor Technology, Inc. has moved from attractive to fair. Based on the current metrics, the company appears to be fairly valued. The P/E ratio stands at 18, while the EV to EBITDA ratio is 5.31, and the Price to Book Value is 1.36.
In comparison to peers, Amkor's P/E ratio is significantly lower than Fabrinet's 41.84 and Rambus's 34.99, suggesting that while Amkor is fairly valued, it may still be less expensive relative to some competitors. The company has also shown strong returns, with a year-to-date return of 21.80%, outperforming the S&P 500's 13.30% during the same period, although its one-year return of 1.10% lags behind the index's 14.08%.