COMP vs EXP vs MLM vs VMC

For growth investors, Compass, Inc.

(COMP) is the stronger pick with 23. 7% revenue growth year-over-year, versus 0. 1% for Eagle Materials Inc. (EXP). Eagle Materials Inc. (EXP) offers the better valuation at 15. 2x trailing P/E (16. 2x forward), making it the more compelling value choice. Analysts rate Compass, Inc. (COMP) a "Buy" — based on 10 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Eagle Materials Inc.

(EXP) is the cheapest at 15. 2x versus Vulcan Materials Company at 35. 9x. On forward P/E, Eagle Materials Inc. is actually cheaper at 16. 2x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Eagle Materials Inc. wins at 0. 31x versus Martin Marietta Materials, Inc. 's 3. 03x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Martin Marietta Materials, Inc.

(MLM) delivered a total return of +65. 7%, compared to -57. 5% for Compass, Inc. (COMP). Over 10 years, the gap is even starker: MLM returned +260. 0% versus COMP's -64. 0%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Vulcan Materials Company (VMC) is the lower-risk stock at 0.

80β versus Compass, Inc. 's 1. 79β — meaning COMP is approximately 124% more volatile than VMC relative to the S&P 500. On balance sheet safety, Martin Marietta Materials, Inc. (MLM) carries a lower debt/equity ratio of 53% versus 88% for Eagle Materials Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Compass, Inc.

(COMP) is pulling ahead at 23. 7% versus 0. 1% for Eagle Materials Inc. (EXP). On earnings-per-share growth, the picture is similar: Compass, Inc. grew EPS 67. 7% year-over-year, compared to -42. 0% for Martin Marietta Materials, Inc.. Over a 3-year CAGR, EXP leads at 6. 7% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Eagle Materials Inc.

(EXP) is the more profitable company, earning 20. 5% net margin versus -0. 8% for Compass, Inc. — meaning it keeps 20. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: EXP leads at 26. 5% versus -0. 4% for COMP. At the gross margin level — before operating expenses — MLM leads at 30. 0%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Eagle Materials Inc. (EXP) is the more undervalued stock at a PEG of 0. 31x versus Martin Marietta Materials, Inc. 's 3. 03x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Eagle Materials Inc. (EXP) trades at 16. 2x forward P/E versus 44. 4x for Compass, Inc. — 28. 2x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for COMP: 96. 8% to $14. 29.

In this comparison, VMC (0.

7% yield), MLM (0. 5% yield), EXP (0. 5% yield) pay a dividend. COMP does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Vulcan Materials Company (VMC) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

80), 0. 7% yield, +167. 2% 10Y return). Compass, Inc. (COMP) carries a higher beta of 1. 79 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (VMC: +167. 2%, COMP: -64. 0%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (COMP (Technology) and EXP (Basic Materials) and MLM (Basic Materials) and VMC (Basic Materials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: COMP is a small-cap high-growth stock; EXP is a small-cap deep-value stock; MLM is a mid-cap quality compounder stock; VMC is a mid-cap quality compounder stock. MLM, VMC pay a dividend while COMP, EXP do not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.