Proto Labs Inc (PRLB) is overvalued and Worthington Enterprises Inc (WOR) is overvalued.
Both trade above our estimate of their intrinsic value. PRLB is the closer of the two: -299%, against -1185% for WOR.
Values as of the 22 Sept 2026 close.
Discounting its cash flows at 11.4% (average of 3 methods) values the shares at $22.44; the price of $89.46 is 299% above that value, and 68% of that value comes from beyond year five.
Leak Score 0/100 on 2 of 12 signals
Discounting its cash flows at 10.5% (average of 2 methods) values the shares at $4.59; the price of $58.94 is 1185% above that value, and 68% of that value comes from beyond year five.
Leak Score 43/100 on 3 of 12 signals
| Metric | PRLB | WOR |
|---|---|---|
| Verdict | Overvalued | Overvalued |
| Price | $89.46 | $58.94 |
| Intrinsic value | $22.44 | $4.59 |
| Margin of safety | -299% | -1185% |
| Leak Score | 0/100 (2/12) | 43/100 (3/12) |
| Market cap | $2.1B | $2.9B |
| Revenue growth, 5 years | 4.2% | -15.3% |
| Operating margin | 7.3% | 5.9% |
| Net margin | 5.4% | 11.3% |
| Return on equity | 4.5% | 15.9% |
| Debt to equity | 0.00 | 0.34 |
| P/E | 71.3x | 18.8x |
| Forward P/E | 37.5x | 14.4x |
| P/B | 3.1x | 2.8x |
| Dividend yield | — | 1.4% |