HAL vs TTI: Correlation
Measured on weekly returns over the past three years, Halliburton (HAL) and Tetra Technologies, Inc. (TTI) carry a correlation of 0.58, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HAL and TTI?
On 3 years of weekly data the HAL/TTI correlation comes out at 0.58, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.29 versus 0.58 over 3 years. The 5-year figure is 0.63, and annualized covariance runs at 1316.3 %².
By 3-year correlation, TTI places #29 of the 44 assets tracked against HAL. On 12-month performance HAL holds a 9.1-point edge, +62.8% against +53.7%. One caveat on sizing: TTI is 1.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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 TTI: side by side
| HAL (Halliburton) | TTI (Tetra Technologies, Inc.) | |
|---|---|---|
| 1-year return | +62.8% | +53.7% |
| 5-year return | +93.6% | +123.5% |
| Volatility (ann.) | 38.0% | 59.6% |
| Beta vs S&P 500 | 0.55 | 0.96 |
| Max drawdown (3Y) | -54.0% | -67.4% |
| Market cap | $29.6B | $1.0B |
| P/E (trailing) | 18.0 | 173.2 |
| Dividend yield | 1.97% | 0.00% |
| Sector / category | Energy | US Listed |
Year-by-year returns
| Year | HAL | TTI |
|---|---|---|
| 2022 | +74.5% | +21.8% |
| 2023 | -6.5% | +30.6% |
| 2024 | -23.2% | -20.8% |
| 2025 | +7.0% | +161.7% |
| 2026 | +26.7% | -26.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HAL and TTI good diversifiers for each other?
Only partially. A correlation of 0.58 means HAL and TTI 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 TTI?
Using weekly returns as of 2026-08-27: 0.58 over 3 years, with 0.29 over the last year and 0.63 over 5 years.
Is TTI a good diversifier for HAL?
Only partially. A correlation of 0.58 means HAL and TTI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.58 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/hal-vs-tti.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/hal-vs-tti/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: HAL correlations · TTI correlations
