ATRA vs SLB: Correlation
Atara Biotherapeutics, Inc. (ATRA) and Schlumberger (SLB) show a negative relationship: their 3-year correlation of weekly returns is -0.18.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATRA and SLB?
Over the past 3 years, ATRA and SLB moved with a correlation of -0.18, which is negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.30 versus -0.18 over 3 years. Over 5 years the correlation is -0.06, and the annualized covariance of weekly returns is -987.7 %².
SLB is close to the least connected end of ATRA's tracked universe, ranking #9 of 13. The last year tells two different stories: SLB led by 82.2 percentage points, -25.1% for ATRA against +57.1% for SLB. Note the risk asymmetry: ATRA runs 4.4 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
ATRA vs SLB: side by side
| ATRA (Atara Biotherapeutics, Inc.) | SLB (Schlumberger) | |
|---|---|---|
| 1-year return | -25.1% | +57.1% |
| 5-year return | -97.5% | +117.1% |
| Volatility (ann.) | 153.2% | 35.1% |
| Beta vs S&P 500 | 1.17 | 0.57 |
| Max drawdown (3Y) | -90.7% | -46.6% |
| Market cap | $0.1B | $81.6B |
| P/E (trailing) | – | 26.2 |
| Dividend yield | 0.00% | 2.16% |
| Sector / category | US Listed | Energy |
Year-by-year returns
| Year | ATRA | SLB |
|---|---|---|
| 2022 | -79.2% | +81.2% |
| 2023 | -84.4% | -0.8% |
| 2024 | +3.8% | -24.5% |
| 2025 | +35.9% | +3.3% |
| 2026 | -48.9% | +44.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATRA and SLB good diversifiers for each other?
Yes. With a correlation of -0.18, ATRA and SLB have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between ATRA and SLB?
Using weekly returns as of 2026-08-27: -0.18 over 3 years, with -0.30 over the last year and -0.06 over 5 years.
Is SLB a good diversifier for ATRA?
Yes. With a correlation of -0.18, ATRA and SLB have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.18 mean?
A reading of -0.18 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/atra-vs-slb.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/atra-vs-slb/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ATRA correlations · SLB correlations
