AGIO vs PACS: Correlation
How closely do Agios Pharmaceuticals, Inc. (AGIO) and PACS Group, Inc. (PACS) trade together? Their weekly returns over three years give a correlation of -0.37, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AGIO and PACS?
Over the past 3 years, AGIO and PACS moved with a correlation of -0.37, which is negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.53) runs below the 3-year figure (-0.37). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -2997.5 %².
Out of 14 assets tracked against AGIO, PACS lands near the bottom at #12. Correlation aside, the last 12 months split them widely, with PACS ahead by 285.7 points (-12.7% versus +273.0%). One caveat on sizing: PACS is 1.9 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.
AGIO vs PACS: side by side
| AGIO (Agios Pharmaceuticals, Inc.) | PACS (PACS Group, Inc.) | |
|---|---|---|
| 1-year return | -12.7% | +273.0% |
| 5-year return | -22.1% | n/a |
| Volatility (ann.) | 64.3% | 120.5% |
| Beta vs S&P 500 | 1.80 | 0.06 |
| Max drawdown (3Y) | -63.8% | -82.0% |
| Market cap | $2.0B | $7.0B |
| P/E (trailing) | – | 25.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AGIO | PACS |
|---|---|---|
| 2022 | -14.6% | – |
| 2023 | -20.7% | – |
| 2024 | +47.6% | – |
| 2025 | -17.2% | +192.8% |
| 2026 | +25.9% | +15.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AGIO and PACS good diversifiers for each other?
Yes: at -0.37, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AGIO and PACS?
Using weekly returns as of 2026-08-27: -0.37 over 3 years, with -0.53 over the last year and n/a over 5 years.
Is PACS a good diversifier for AGIO?
Yes: at -0.37, the two have gone their own ways historically, which is what genuine diversification looks like.
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/agio-vs-pacs.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/agio-vs-pacs/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AGIO correlations · PACS correlations
