Aflac Inc (AFL) is slightly undervalued and Metlife Inc (MET) is overvalued.
Against our estimates of intrinsic value, AFL trades at the wider discount: a margin of safety of +19%, against -33% for MET.
Values as of the 22 Sept 2026 close.
Book value at 2.50x, the multiple a 16.9% return on equity justifies, blended with earnings, values the shares at $140.75; the price of $114.60 is 19% below that value.
Leak Score 62/100 on 9 of 12 signals
Book value at 1.64x, the multiple a 13.2% return on equity justifies, blended with earnings, values the shares at $71.92; the price of $95.92 is 33% above that value.
Leak Score 55/100 on 9 of 12 signals
| Metric | AFL | MET |
|---|---|---|
| Verdict | Slightly undervalued | Overvalued |
| Price | $114.60 | $95.92 |
| Intrinsic value | $140.75 | $71.92 |
| Margin of safety | +19% | -33% |
| Leak Score | 62/100 (9/12) | 55/100 (9/12) |
| Market cap | $57.5B | $61.0B |
| Revenue growth, 5 years | -5.0% | 2.6% |
| Operating margin | 33.4% | 7.7% |
| Net margin | 26.9% | 4.3% |
| Return on equity | 16.9% | 13.2% |
| Debt to equity | 0.29 | 0.79 |
| P/E | 12.3x | 18.4x |
| Forward P/E | 15.2x | 8.6x |
| P/B | 1.9x | 2.2x |
| Dividend yield | 2.1% | 2.4% |