
Group 1 - Greif (GEF) has a Zacks Rank of 2 (Buy), indicating a positive earnings outlook, while Packaging Corp. (PKG) has a Zacks Rank of 4 (Sell) [3] - The Zacks Rank system favors stocks with strong earnings estimate revisions, which is a key factor for value investors [2][3] - GEF has a forward P/E ratio of 16.16, compared to PKG's forward P/E of 18.56, suggesting GEF may be undervalued [5] Group 2 - GEF's PEG ratio is 1.64, indicating a better valuation relative to its expected earnings growth compared to PKG's PEG ratio of 2.51 [5] - GEF has a P/B ratio of 1.39, significantly lower than PKG's P/B of 3.77, further supporting GEF's valuation advantage [6] - Based on various valuation metrics, GEF holds a Value grade of A, while PKG has a Value grade of C, indicating GEF is the superior value option [6]