Materion Corp (MTRN) is overvalued and Vale SA ADR (VALE) is undervalued.
Against our estimates of intrinsic value, VALE trades at the wider discount: a margin of safety of +44%, against -344% for MTRN.
Values as of the 22 Sept 2026 close.
Discounting its cash flows at 9.8% (average of 3 methods) values the shares at $57.01; the price of $253.30 is 344% above that value, and 73% of that value comes from beyond year five.
Leak Score 27/100 on 3 of 12 signals
Discounting its cash flows at 7.2% (average of 3 methods) values the shares at $25.51; the price of $14.19 is 44% below that value, and 82% of that value comes from beyond year five.
Leak Score 56/100 on 2 of 12 signals
| Metric | MTRN | VALE |
|---|---|---|
| Verdict | Overvalued | Undervalued |
| Price | $253.30 | $14.19 |
| Intrinsic value | $57.01 | $25.51 |
| Margin of safety | -344% | +44% |
| Leak Score | 27/100 (3/12) | 56/100 (2/12) |
| Market cap | $5.3B | $57.8B |
| Revenue growth, 5 years | 8.7% | -0.9% |
| Operating margin | 6.2% | 28.3% |
| Net margin | 4.3% | 4.9% |
| Return on equity | 9.5% | 5.3% |
| Debt to equity | 0.51 | 0.50 |
| P/E | 59.0x | 29.9x |
| Forward P/E | 30.4x | 7.7x |
| P/B | 5.3x | 1.6x |
| Dividend yield | 0.2% | 7.1% |