America Movil SAB de CV ADR (AMX) is undervalued and AT&T Inc (T) is undervalued.
Against our estimates of intrinsic value, T trades at the wider discount: a margin of safety of +48%, against +42% for AMX.
Values as of the 22 Sept 2026 close.
Discounting its cash flows at 7.2% (average of 3 methods) values the shares at $38.74; the price of $22.29 is 42% below that value, and 82% of that value comes from beyond year five.
Leak Score 86/100 on 3 of 12 signals
Discounting its cash flows at 6.5% (average of 3 methods) values the shares at $48.39; the price of $25.10 is 48% below that value, and 85% of that value comes from beyond year five.
Leak Score 61/100 on 10 of 12 signals
| Metric | AMX | T |
|---|---|---|
| Verdict | Undervalued | Undervalued |
| Price | $22.29 | $25.10 |
| Intrinsic value | $38.74 | $48.39 |
| Margin of safety | +42% | +48% |
| Leak Score | 86/100 (3/12) | 61/100 (10/12) |
| Market cap | $68.2B | $172.0B |
| Revenue growth, 5 years | 4.7% | -6.1% |
| Operating margin | 22.0% | 21.2% |
| Net margin | 9.4% | 16.8% |
| Return on equity | 24.1% | 20.1% |
| Debt to equity | 1.84 | 1.47 |
| P/E | 13.4x | 8.3x |
| Forward P/E | 10.2x | 9.8x |
| P/B | 3.1x | 1.6x |
| Dividend yield | 3.1% | 4.4% |