ACRS vs ATGL: Correlation
Measured on weekly returns over the past three years, Aclaris Therapeutics, Inc. (ACRS) and Alpha Technology Group Limited - Class A (ATGL) carry a correlation of -0.25, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACRS and ATGL?
Over the past 3 years, ACRS and ATGL moved with a correlation of -0.25, which is negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.08) runs above the 3-year figure (-0.25). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -6685.2 %².
ATGL is close to the least connected end of ACRS's tracked universe, ranking #12 of 14. Correlation aside, the last 12 months split them widely, with ACRS ahead by 314.5 points (+238.5% versus -76.0%). Note the risk asymmetry: ATGL runs 2.4 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.
ACRS vs ATGL: side by side
| ACRS (Aclaris Therapeutics, Inc.) | ATGL (Alpha Technology Group Limited - Class A) | |
|---|---|---|
| 1-year return | +238.5% | -76.0% |
| 5-year return | -60.0% | n/a |
| Volatility (ann.) | 105.3% | 253.1% |
| Beta vs S&P 500 | 1.25 | 0.71 |
| Max drawdown (3Y) | -91.9% | -95.9% |
| Market cap | $0.9B | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACRS | ATGL |
|---|---|---|
| 2022 | +8.3% | – |
| 2023 | -93.3% | – |
| 2024 | +136.2% | +11.3% |
| 2025 | +21.4% | +48.0% |
| 2026 | +104.7% | -65.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACRS and ATGL good diversifiers for each other?
Yes. With a correlation of -0.25, ACRS and ATGL have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between ACRS and ATGL?
As of 2026-08-27, the correlation of weekly returns between ACRS and ATGL is -0.25 over 3 years, -0.08 over 1 year and n/a over 5 years.
Is ATGL a good diversifier for ACRS?
Yes. With a correlation of -0.25, ACRS and ATGL have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.25 mean?
On the −1 to +1 scale, -0.25 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/acrs-vs-atgl.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/acrs-vs-atgl/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ACRS correlations · ATGL correlations
