AGIO vs KROS: Correlation
How closely do Agios Pharmaceuticals, Inc. (AGIO) and Keros Therapeutics, Inc. (KROS) trade together? Their weekly returns over three years give a correlation of 0.43, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AGIO and KROS?
Over the past 3 years, AGIO and KROS moved with a correlation of 0.43, which is moderate. The link has loosened recently: the 1-year correlation (0.20) runs below the 3-year figure (0.43). Over 5 years the correlation is 0.39, and the annualized covariance of weekly returns is 1953.9 %².
By 3-year correlation, KROS places #6 of the 14 assets tracked against AGIO. Over the last 12 months AGIO came out ahead by 14.9 percentage points (-12.7% against -27.6%).
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 KROS: side by side
| AGIO (Agios Pharmaceuticals, Inc.) | KROS (Keros Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -12.7% | -27.6% |
| 5-year return | -22.1% | -67.0% |
| Volatility (ann.) | 64.3% | 69.9% |
| Beta vs S&P 500 | 1.80 | 0.98 |
| Max drawdown (3Y) | -63.8% | -86.5% |
| Market cap | $2.0B | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AGIO | KROS |
|---|---|---|
| 2022 | -14.6% | -17.9% |
| 2023 | -20.7% | -17.2% |
| 2024 | +47.6% | -60.2% |
| 2025 | -17.2% | +28.6% |
| 2026 | +25.9% | -44.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AGIO and KROS good diversifiers for each other?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between AGIO and KROS?
Using weekly returns as of 2026-08-27: 0.43 over 3 years, with 0.20 over the last year and 0.39 over 5 years.
Is KROS a good diversifier for AGIO?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.43 mean?
A reading of 0.43 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/agio-vs-kros.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/agio-vs-kros/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AGIO correlations · KROS correlations
