HAL vs WFRD: Correlation
How closely do Halliburton (HAL) and Weatherford International plc (WFRD) trade together? Their weekly returns over three years give a correlation of 0.74, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HAL and WFRD?
Over the past 3 years, HAL and WFRD moved with a correlation of 0.74, which is strong. The relationship has been stable: the 1-year correlation (0.66) sits close to the 3-year figure. Over 5 years the correlation is 0.68, and the annualized covariance of weekly returns is 1296.7 %².
Within HAL's tracked universe of 44 assets, WFRD comes in at #10 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months HAL outperformed by 16.7 percentage points (+62.8% for HAL against +46.1% for WFRD).
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
HAL vs WFRD: side by side
| HAL (Halliburton) | WFRD (Weatherford International plc) | |
|---|---|---|
| 1-year return | +62.8% | +46.1% |
| 5-year return | +93.6% | +495.5% |
| Volatility (ann.) | 38.0% | 46.3% |
| Beta vs S&P 500 | 0.55 | 1.32 |
| Max drawdown (3Y) | -54.0% | -70.6% |
| Market cap | $29.6B | $6.6B |
| P/E (trailing) | 18.0 | 17.4 |
| Dividend yield | 1.97% | 1.19% |
| Sector / category | Energy | US Listed |
Year-by-year returns
| Year | HAL | WFRD |
|---|---|---|
| 2022 | +74.5% | +83.7% |
| 2023 | -6.5% | +92.1% |
| 2024 | -23.2% | -26.4% |
| 2025 | +7.0% | +11.1% |
| 2026 | +26.7% | +18.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HAL and WFRD good diversifiers for each other?
To a limited degree. At 0.74 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between HAL and WFRD?
Using weekly returns as of 2026-08-27: 0.74 over 3 years, with 0.66 over the last year and 0.68 over 5 years.
Is WFRD a good diversifier for HAL?
To a limited degree. At 0.74 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.74 mean?
A reading of 0.74 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/hal-vs-wfrd.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/hal-vs-wfrd/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: HAL correlations · WFRD correlations
