Head to head · SEC data as of September 11, 2026
SLB
69
Quality score · out of 100
Halliburton
63
Quality score · out of 100
SLB comes in ahead: a quality score of 69 versus 63 for Halliburton. SLB wins on cash generation (FCF) (13.2% vs 7.7%), earnings growth (10.3% vs 5.1%) and less debt (0.69× vs 1.37×). Halliburton doesn't take a single major metric today.
| Metric | SLB | Halliburton |
|---|---|---|
| Quality score (0-100) | 69 | 63 |
| Net margin | 8.5% | 7.2% |
| Gross margin | — | — |
| ROE | 11.9% | 14.6% |
| Net debt/EBITDA | 0.69× | 1.37× |
| FCF margin | 13.2% | 7.7% |
| Revenue growth (annualized) | 8.2% | 8.3% |
| Earnings growth (annualized) | 10.3% | 5.1% |
TTM metrics with official SEC data, refreshed daily. Bold green marks the winner of each metric. A dash means the metric doesn't apply or isn't reliable.
SLB. SLB (Schlumberger) is the world's largest oilfield-services company: it doesn't extract oil, it sells oil companies the technology, data and equipment to find and extract it. Its fortunes track how much its customers invest in exploration and production.
Halliburton. Halliburton is the world's great specialist in hydraulic fracturing: the company oil producers hire to complete their wells, above all in American shale. It lives off others drilling: its revenue is the industry's drilling budget.
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What this comparison doesn't tell you
The score measures business quality, not whether the stock is cheap or expensive: the better company can be the worse investment if you overpay. For the valuation verdict, enter each one's current price in the analyzer:
Who has the stronger fundamentals today, SLB or Halliburton?
By the StockSemáforo model (profitability, growth and financial strength, built on official SEC data), SLB scores higher: 69 versus 63 out of 100. The score is recomputed nightly with the latest filings.
Does that make SLB the better investment?
No. The score measures business quality, not valuation: an excellent company can trade at an excessive price and be a poor investment at that price. To find out whether it's cheap or expensive, enter its current quote in the StockSemáforo analyzer.
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Who's behind the methodology and model · how the score is computed
Data: official SEC filings (EDGAR) · Recomputed on September 11, 2026
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