CLRB vs KROS: Correlation
Measured on weekly returns over the past three years, Cellectar Biosciences, Inc. (CLRB) and Keros Therapeutics, Inc. (KROS) carry a correlation of 0.45, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CLRB and KROS?
Across a 3-year window, the weekly returns of CLRB and KROS correlate at 0.45, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.11 versus 0.45 over 3 years. Stretching to 5 years gives 0.36, with an annualized covariance of 3036.6 %².
In CLRB's tracked universe of 10 assets, KROS sits right near the top at #1. Correlation aside, the last 12 months split them widely, with KROS ahead by 19.7 points (-47.3% versus -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.
CLRB vs KROS: side by side
| CLRB (Cellectar Biosciences, Inc.) | KROS (Keros Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -47.3% | -27.6% |
| 5-year return | -99.1% | -67.0% |
| Volatility (ann.) | 97.2% | 69.9% |
| Beta vs S&P 500 | 1.43 | 0.98 |
| Max drawdown (3Y) | -98.2% | -86.5% |
| Market cap | – | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CLRB | KROS |
|---|---|---|
| 2022 | -74.1% | -17.9% |
| 2023 | +62.0% | -17.2% |
| 2024 | -89.2% | -60.2% |
| 2025 | -67.2% | +28.6% |
| 2026 | -13.9% | -44.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CLRB and KROS good diversifiers for each other?
Reasonably. At 0.45, CLRB and KROS keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CLRB and KROS?
Using weekly returns as of 2026-08-27: 0.45 over 3 years, with 0.11 over the last year and 0.36 over 5 years.
Is KROS a good diversifier for CLRB?
Reasonably. At 0.45, CLRB and KROS keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.45 mean?
A reading of 0.45 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/clrb-vs-kros.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/clrb-vs-kros/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CLRB correlations · KROS correlations
