Amphenol Corp (APH) is undervalued and TTM Technologies Inc (TTMI) is overvalued.
Against our estimates of intrinsic value, APH trades at the wider discount: a margin of safety of +38%, against -271% for TTMI.
Values as of the 22 Sept 2026 close.
A 11.4x revenue multiple, adjusted for growth and margin, values the shares at $133.20; the price of $82.84 is 38% below that value.
Leak Score 81/100 on 10 of 12 signals
Discounting its cash flows at 13.4% (average of 3 methods) values the shares at $34.38; the price of $127.47 is 271% above that value, and 63% of that value comes from beyond year five.
Leak Score 27/100 on 3 of 12 signals
| Metric | APH | TTMI |
|---|---|---|
| Verdict | Undervalued | Overvalued |
| Price | $82.84 | $127.47 |
| Intrinsic value | $133.20 | $34.38 |
| Margin of safety | +38% | -271% |
| Leak Score | 81/100 (10/12) | 27/100 (3/12) |
| Market cap | $204.3B | $13.4B |
| Revenue growth, 5 years | 21.9% | 6.7% |
| Operating margin | 28.1% | 10.0% |
| Net margin | 17.7% | 7.0% |
| Return on equity | 38.1% | 13.3% |
| Debt to equity | 1.21 | 0.57 |
| P/E | 41.5x | 57.5x |
| Forward P/E | 25.6x | 18.4x |
| P/B | 13.2x | 6.9x |
| Dividend yield | 0.6% | — |