Mattel Inc (MAT) is undervalued and Planet Fitness Inc (PLNT) is undervalued.
Against our estimates of intrinsic value, PLNT trades at the wider discount: a margin of safety of +58%, against +20% for MAT.
Values as of the 22 Sept 2026 close.
Discounting its cash flows at 7.4% (average of 3 methods) values the shares at $16.60; the price of $13.21 is 20% below that value, and 81% of that value comes from beyond year five.
Leak Score 84/100 on 3 of 12 signals
Discounting its cash flows at 7.8% (average of 3 methods) values the shares at $100.62; the price of $42.60 is 58% below that value, and 81% of that value comes from beyond year five.
Leak Score 100/100 on 2 of 12 signals
| Metric | MAT | PLNT |
|---|---|---|
| Verdict | Undervalued | Undervalued |
| Price | $13.21 | $42.60 |
| Intrinsic value | $16.60 | $100.62 |
| Margin of safety | +20% | +58% |
| Leak Score | 84/100 (3/12) | 100/100 (2/12) |
| Market cap | $3.8B | $3.2B |
| Revenue growth, 5 years | 3.1% | 26.6% |
| Operating margin | 8.7% | 30.9% |
| Net margin | 7.8% | 16.9% |
| Return on equity | 20.5% | — |
| Debt to equity | 1.37 | — |
| P/E | 9.7x | 14.4x |
| Forward P/E | 8.3x | 11.7x |
| P/B | 1.9x | — |