CABA vs SRTA: Correlation
Cabaletta Bio, Inc. (CABA) and Strata Critical Medical, Inc. (SRTA) show a moderate relationship: their 3-year correlation of weekly returns is 0.46.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CABA and SRTA?
Over the past 3 years, CABA and SRTA moved with a correlation of 0.46, which is moderate. The past 12 months show a weaker link (0.22) than the 3-year average (0.46). Over 5 years the correlation is 0.34, and the annualized covariance of weekly returns is 4028.0 %².
Among the 14 assets we track against CABA, SRTA ranks #9 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CABA ahead by 90.6 points (+125.3% versus +34.7%). Risk is not evenly split, since CABA carries 1.8 times the volatility of the other side.
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.
CABA vs SRTA: side by side
| CABA (Cabaletta Bio, Inc.) | SRTA (Strata Critical Medical, Inc.) | |
|---|---|---|
| 1-year return | +125.3% | +34.7% |
| 5-year return | -66.5% | -28.6% |
| Volatility (ann.) | 125.4% | 69.8% |
| Beta vs S&P 500 | 3.70 | 2.02 |
| Max drawdown (3Y) | -95.9% | -48.9% |
| Market cap | $0.6B | $0.5B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CABA | SRTA |
|---|---|---|
| 2022 | +144.1% | -59.5% |
| 2023 | +145.4% | -1.4% |
| 2024 | -90.0% | +20.4% |
| 2025 | -3.5% | +13.2% |
| 2026 | +54.3% | +28.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CABA and SRTA good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.46 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between CABA and SRTA?
As of 2026-08-27, the correlation of weekly returns between CABA and SRTA is 0.46 over 3 years, 0.22 over 1 year and 0.34 over 5 years.
Is SRTA a good diversifier for CABA?
Yes, to a useful degree: a correlation of 0.46 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.46 mean?
On the −1 to +1 scale, 0.46 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/caba-vs-srta.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/caba-vs-srta/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CABA correlations · SRTA correlations
