Eagle Materials Inc (EXP) is fairly valued and Martin Marietta Materials Inc (MLM) is slightly overvalued.
Against our estimates of intrinsic value, EXP trades at the wider discount: a margin of safety of +1%, against -13% for MLM.
Values as of the 22 Sept 2026 close.
Discounting its cash flows at 9.7% (average of 3 methods) values the shares at $185.22; the price of $183.16 is 1% below that value, and 74% of that value comes from beyond year five.
Leak Score 59/100 on 3 of 12 signals
Discounting its cash flows at 9.7% (average of 3 methods) values the shares at $440.19; the price of $499.34 is 13% above that value, and 74% of that value comes from beyond year five.
Leak Score 57/100 on 10 of 12 signals
| Metric | EXP | MLM |
|---|---|---|
| Verdict | Fairly valued | Slightly overvalued |
| Price | $183.16 | $499.34 |
| Intrinsic value | $185.22 | $440.19 |
| Margin of safety | +1% | -13% |
| Leak Score | 59/100 (3/12) | 57/100 (10/12) |
| Market cap | $5.6B | $35.5B |
| Revenue growth, 5 years | 7.3% | 5.4% |
| Operating margin | 23.2% | 21.3% |
| Net margin | 17.3% | 36.7% |
| Return on equity | 27.0% | 8.9% |
| Debt to equity | 1.21 | 0.55 |
| P/E | 14.5x | 12.3x |
| Forward P/E | 12.9x | 23.3x |
| P/B | 3.8x | 2.6x |
| Dividend yield | 0.5% | 0.7% |