As of 21 November 2025, the valuation grade for Amentum Holdings, Inc. has moved from attractive to very expensive, indicating a shift towards overvaluation. The company is currently assessed as overvalued, given the absence of key valuation ratios such as P/E, EV/EBITDA, and PEG in the peer comparison, which suggests a lack of competitive valuation metrics. Despite the absence of specific ratios, the company's current price of 24.26 is significantly above its 52-week low of 16.01, reflecting a premium valuation. In terms of performance, Amentum has outperformed the S&P 500 over the past week and month, with returns of 9.92% and 6.17%, respectively, while the S&P 500 has declined. However, over the past year, Amentum's return of -2.02% lags behind the S&P 500's 11.00%, reinforcing the notion that the stock may be overvalued in the current market context....

As of 7 November 2025, the valuation grade for Amentum Holdings, Inc. has moved from attractive to very expensive, indicating a shift towards overvaluation. The company is currently considered overvalued, especially given its recent performance metrics. Notable valuation ratios include a price of $22.81, which reflects a significant drop from its 52-week high of $34.47, and a year-to-date return of 8.46%, which lags behind the S&P 500's return of 14.40%. In comparison to peers in the Aerospace & Defense industry, Amentum lacks specific valuation ratios, making a direct peer comparison challenging. However, the stark contrast in year-on-year returns, with Amentum at -31.71% compared to the S&P 500's 12.65%, further underscores the company's current overvaluation status....

As of 7 November 2025, the valuation grade for Amentum Holdings, Inc. has moved from attractive to very expensive, indicating a shift towards overvaluation. The company appears overvalued given its current price of $22.41, especially when considering the recent performance metrics. The price-to-earnings (P/E) ratio is not available, but the absence of a valuation metric suggests a lack of favorable comparisons within its peer group. In terms of peer comparison, Amentum Holdings is evaluated against other companies in the Aerospace & Defense industry, but specific ratios are not provided for direct comparison. Notably, the stock has underperformed against the S&P 500, with a year-to-date return of 6.56% compared to the S&P 500's 14.40%, and a one-year return of -29.62% against the S&P's 12.65%. This underperformance reinforces the conclusion that Amentum Holdings is currently overvalued....