ADT Inc (ADT) is undervalued and Allegion plc (ALLE) is slightly overvalued.
Against our estimates of intrinsic value, ADT trades at the wider discount: a margin of safety of +52%, against -9% for ALLE.
Values as of the 22 Sept 2026 close.
Discounting its cash flows at 7.2% (average of 3 methods) values the shares at $13.73; the price of $6.54 is 52% below that value, and 82% of that value comes from beyond year five.
Leak Score 54/100 on 3 of 12 signals
Discounting its cash flows at 8.8% (average of 3 methods) values the shares at $141.63; the price of $153.95 is 9% above that value, and 77% of that value comes from beyond year five.
Leak Score 59/100 on 3 of 12 signals
| Metric | ADT | ALLE |
|---|---|---|
| Verdict | Undervalued | Slightly overvalued |
| Price | $6.54 | $153.95 |
| Intrinsic value | $13.73 | $141.63 |
| Margin of safety | +52% | -9% |
| Leak Score | 54/100 (3/12) | 59/100 (3/12) |
| Market cap | $4.8B | $13.1B |
| Revenue growth, 5 years | -0.7% | 8.4% |
| Operating margin | 25.2% | 20.8% |
| Net margin | 11.9% | 15.4% |
| Return on equity | 17.2% | 33.7% |
| Debt to equity | 2.24 | 1.05 |
| P/E | 9.1x | 20.2x |
| Forward P/E | 6.6x | 15.7x |
| P/B | 1.4x | 6.2x |
| Dividend yield | 3.4% | 1.4% |