American Express Co (AXP) is overvalued and Synchrony Financial (SYF) is undervalued.
Against our estimates of intrinsic value, SYF trades at the wider discount: a margin of safety of +34%, against -88% for AXP.
Values as of the 22 Sept 2026 close.
Book value at 2.50x, the multiple a 34.1% return on equity justifies, blended with earnings, values the shares at $162.37; the price of $305.07 is 88% above that value.
Leak Score 75/100 on 10 of 12 signals
Book value at 2.18x, the multiple a 20.8% return on equity justifies, blended with earnings, values the shares at $109.41; the price of $72.67 is 34% below that value.
Leak Score 80/100 on 7 of 12 signals
| Metric | AXP | SYF |
|---|---|---|
| Verdict | Overvalued | Undervalued |
| Price | $305.07 | $72.67 |
| Intrinsic value | $162.37 | $109.41 |
| Margin of safety | -88% | +34% |
| Leak Score | 75/100 (10/12) | 80/100 (7/12) |
| Market cap | $206.0B | $23.6B |
| Revenue growth, 5 years | 16.1% | 8.3% |
| Operating margin | 20.9% | 28.5% |
| Net margin | 13.4% | 18.1% |
| Return on equity | 34.1% | 20.8% |
| Debt to equity | 1.72 | 0.97 |
| P/E | 18.5x | 7.5x |
| Forward P/E | 15.1x | 7.0x |
| P/B | 6.0x | 1.6x |
| Dividend yield | 1.3% | 1.8% |