CTMX vs EBS: Correlation
Measured on weekly returns over the past three years, CytomX Therapeutics, Inc. (CTMX) and Emergent BioSolutions Inc. (EBS) carry a correlation of 0.47, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CTMX and EBS?
On 3 years of weekly data the CTMX/EBS correlation comes out at 0.47, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.08 versus 0.47 over 3 years. The 5-year figure is 0.39, and annualized covariance runs at 8728.5 %².
Among the 13 assets we track against CTMX, EBS ranks #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CTMX ahead by 96.0 points (+65.2% versus -30.8%).
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.
CTMX vs EBS: side by side
| CTMX (CytomX Therapeutics, Inc.) | EBS (Emergent BioSolutions Inc.) | |
|---|---|---|
| 1-year return | +65.2% | -30.8% |
| 5-year return | -32.5% | -90.7% |
| Volatility (ann.) | 151.3% | 122.0% |
| Beta vs S&P 500 | 2.53 | 2.69 |
| Max drawdown (3Y) | -91.6% | -71.2% |
| Market cap | $0.7B | $0.3B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CTMX | EBS |
|---|---|---|
| 2022 | -63.0% | -72.8% |
| 2023 | -3.1% | -79.7% |
| 2024 | -33.5% | +298.3% |
| 2025 | +313.6% | +29.3% |
| 2026 | -19.7% | -51.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CTMX and EBS good diversifiers for each other?
Reasonably. At 0.47, CTMX and EBS keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CTMX and EBS?
Using weekly returns as of 2026-08-27: 0.47 over 3 years, with 0.08 over the last year and 0.39 over 5 years.
Is EBS a good diversifier for CTMX?
Reasonably. At 0.47, CTMX and EBS keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.47 mean?
A reading of 0.47 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/ctmx-vs-ebs.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ctmx-vs-ebs/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CTMX correlations · EBS correlations
