HAL vs VLO: Correlation
Halliburton (HAL) and Valero Energy (VLO) show a strong relationship: their 3-year correlation of weekly returns is 0.65.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HAL and VLO?
On 3 years of weekly data the HAL/VLO correlation comes out at 0.65, strong. Recent behaviour matches the longer record: 0.58 over 1 year against 0.65 over 3. The 5-year figure is 0.65, and annualized covariance runs at 867.2 %².
Among the 44 assets we track against HAL, VLO ranks #24 by 3-year correlation. The last year tells two different stories: VLO led by 72.0 percentage points, +62.8% for HAL against +134.8% for VLO. On a rolling one-year basis the correlation drifted between 0.45 and 0.79, a moderate band.
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 VLO: side by side
| HAL (Halliburton) | VLO (Valero Energy) | |
|---|---|---|
| 1-year return | +62.8% | +134.8% |
| 5-year return | +93.6% | +512.9% |
| Volatility (ann.) | 38.0% | 34.8% |
| Beta vs S&P 500 | 0.55 | 0.55 |
| Max drawdown (3Y) | -54.0% | -41.2% |
| Market cap | $29.6B | $99.8B |
| P/E (trailing) | 18.0 | 14.5 |
| Dividend yield | 1.97% | 1.34% |
| Sector / category | Energy | Energy |
Year-by-year returns
| Year | HAL | VLO |
|---|---|---|
| 2022 | +74.5% | +75.0% |
| 2023 | -6.5% | +5.9% |
| 2024 | -23.2% | -3.0% |
| 2025 | +7.0% | +37.0% |
| 2026 | +26.7% | +116.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HAL and VLO good diversifiers for each other?
Only partially. A correlation of 0.65 means HAL and VLO share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between HAL and VLO?
As of 2026-08-27, the correlation of weekly returns between HAL and VLO is 0.65 over 3 years, 0.58 over 1 year and 0.65 over 5 years.
Is VLO a good diversifier for HAL?
Only partially. A correlation of 0.65 means HAL and VLO share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.65 mean?
On the −1 to +1 scale, 0.65 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
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Related comparisons
Hubs: HAL correlations · VLO correlations
