SLB Ltd (SLB) is fairly valued and Tenaris SA ADR (TS) is undervalued.
Against our estimates of intrinsic value, TS trades at the wider discount: a margin of safety of +29%, against -0% for SLB.
Values as of the 22 Sept 2026 close.
Discounting its cash flows at 8.9% (average of 3 methods) values the shares at $52.04; the price of $52.12 sits right on that value, and 77% of that value comes from beyond year five.
Leak Score 46/100 on 9 of 12 signals
Discounting its cash flows at 9.4% (average of 3 methods) values the shares at $78.52; the price of $55.42 is 29% below that value, and 76% of that value comes from beyond year five.
Leak Score 84/100 on 3 of 12 signals
| Metric | SLB | TS |
|---|---|---|
| Verdict | Fairly valued | Undervalued |
| Price | $52.12 | $55.42 |
| Intrinsic value | $52.04 | $78.52 |
| Margin of safety | -0% | +29% |
| Leak Score | 46/100 (9/12) | 84/100 (3/12) |
| Market cap | $77.4B | $29.7B |
| Revenue growth, 5 years | 8.6% | 18.3% |
| Operating margin | 14.0% | 18.8% |
| Net margin | 8.5% | 15.9% |
| Return on equity | 13.4% | 11.4% |
| Debt to equity | 0.49 | 0.03 |
| P/E | 25.3x | 14.8x |
| Forward P/E | 16.4x | 13.2x |
| P/B | 3.0x | 1.6x |
| Dividend yield | 2.3% | 4.0% |