Is CSG Systems International, Inc. overvalued or undervalued?

As of 13 June 2025, the valuation grade for CSG Systems International, Inc. has moved from fair to attractive, indicating a positive shift in its perceived value. The company is currently considered undervalued based on its financial metrics. Key ratios include a P/E ratio of 43, a Price to Book Value of 14.85, and an EV to EBITDA of 21.26, which suggest that the stock is priced favorably compared to its earnings and book value.
In comparison to its peers, CSG Systems has a P/E ratio of 42.68, which is higher than Kyndryl Holdings, Inc. at 40.55 and ExlService Holdings, Inc. at 37.17, yet still reflects a competitive position within the industry. The PEG ratio of 1.47 also supports the notion of growth potential relative to its valuation. Notably, while CSG has outperformed the S&P 500 with a 1-year return of 52.68% compared to the index's 10.26%, its recent performance over the last month shows a slight decline, which may present a buying opportunity for investors.