ABOS vs ATYR: Correlation
Measured on weekly returns over the past three years, Acumen Pharmaceuticals, Inc. (ABOS) and aTyr Pharma, Inc. (ATYR) carry a correlation of 0.37, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ABOS and ATYR?
On 3 years of weekly data the ABOS/ATYR correlation comes out at 0.37, moderate. Little has changed lately, as the 1-year reading of 0.37 lands near the 3-year figure. The 5-year figure is 0.26, and annualized covariance runs at 2881.3 %².
Among the 19 assets we track against ABOS, ATYR ranks #14 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months ABOS outperformed by 207.3 percentage points (+118.0% for ABOS against -89.3% for ATYR).
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.
ABOS vs ATYR: side by side
| ABOS (Acumen Pharmaceuticals, Inc.) | ATYR (aTyr Pharma, Inc.) | |
|---|---|---|
| 1-year return | +118.0% | -89.3% |
| 5-year return | -83.9% | -89.9% |
| Volatility (ann.) | 82.5% | 94.3% |
| Beta vs S&P 500 | 2.30 | 1.25 |
| Max drawdown (3Y) | -85.8% | -94.0% |
| Market cap | $0.2B | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ABOS | ATYR |
|---|---|---|
| 2022 | -20.1% | -70.7% |
| 2023 | -28.9% | -35.6% |
| 2024 | -55.2% | +156.7% |
| 2025 | +22.7% | -78.4% |
| 2026 | +43.6% | -29.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ABOS and ATYR good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ABOS and ATYR?
As of 2026-08-27, the correlation of weekly returns between ABOS and ATYR is 0.37 over 3 years, 0.37 over 1 year and 0.26 over 5 years.
Is ATYR a good diversifier for ABOS?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.37 mean?
On the −1 to +1 scale, 0.37 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/abos-vs-atyr.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/abos-vs-atyr/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ABOS correlations · ATYR correlations
