ATRA vs GJT: Correlation
How closely do Atara Biotherapeutics, Inc. (ATRA) and Synthetic Fixed-Income Securities, Inc. Floating Rate (GJT) trade together? Their weekly returns over three years give a correlation of -0.24, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATRA and GJT?
On 3 years of weekly data the ATRA/GJT correlation comes out at -0.24, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.09) runs above the 3-year figure (-0.24). The 5-year figure is -0.12, and annualized covariance runs at -264.6 %².
GJT is close to the least connected end of ATRA's tracked universe, ranking #13 of 13. Their recent paths diverged sharply: over the last 12 months GJT outperformed by 33.7 percentage points (-25.1% for ATRA against +8.6% for GJT). Note the risk asymmetry: ATRA runs 21.0 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 GJT: side by side
| ATRA (Atara Biotherapeutics, Inc.) | GJT (Synthetic Fixed-Income Securities, Inc. Floating Rate) | |
|---|---|---|
| 1-year return | -25.1% | +8.6% |
| 5-year return | -97.5% | +44.3% |
| Volatility (ann.) | 153.2% | 7.3% |
| Beta vs S&P 500 | 1.17 | -0.02 |
| Max drawdown (3Y) | -90.7% | -5.3% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ATRA | GJT |
|---|---|---|
| 2022 | -79.2% | +4.5% |
| 2023 | -84.4% | +13.6% |
| 2024 | +3.8% | +10.6% |
| 2025 | +35.9% | +6.2% |
| 2026 | -48.9% | +3.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATRA and GJT good diversifiers for each other?
Yes. With a correlation of -0.24, ATRA and GJT have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between ATRA and GJT?
Using weekly returns as of 2026-08-27: -0.24 over 3 years, with 0.09 over the last year and -0.12 over 5 years.
Is GJT a good diversifier for ATRA?
Yes. With a correlation of -0.24, ATRA and GJT have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.24 mean?
A reading of -0.24 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-gjt.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/atra-vs-gjt/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ATRA correlations · GJT correlations
