ECHO vs RMTI: Correlation
Measured on weekly returns over the past three years, EchoStar (ECHO) and Rockwell Medical, Inc. (RMTI) carry a correlation of 0.35, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ECHO and RMTI?
Over the past 3 years, ECHO and RMTI moved with a correlation of 0.35, which is moderate. The past 12 months show a weaker link (0.04) than the 3-year average (0.35). Over 5 years the correlation is 0.24, and the annualized covariance of weekly returns is 2550.8 %².
Within ECHO's tracked universe of 35 assets, RMTI comes in at #9 by 3-year correlation. Correlation aside, the last 12 months split them widely, with ECHO ahead by 94.5 points (+47.2% versus -47.3%).
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.
ECHO vs RMTI: side by side
| ECHO (EchoStar) | RMTI (Rockwell Medical, Inc.) | |
|---|---|---|
| 1-year return | +47.2% | -47.3% |
| 5-year return | +227.3% | -89.3% |
| Volatility (ann.) | 91.1% | 79.9% |
| Beta vs S&P 500 | 1.17 | 1.63 |
| Max drawdown (3Y) | -50.1% | -88.8% |
| Market cap | $25.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Communication Services | US Listed |
Year-by-year returns
| Year | ECHO | RMTI |
|---|---|---|
| 2022 | -36.7% | -77.6% |
| 2023 | -0.7% | +87.1% |
| 2024 | +38.2% | +7.9% |
| 2025 | +374.7% | -59.3% |
| 2026 | -20.5% | -6.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ECHO and RMTI good diversifiers for each other?
Reasonably. At 0.35, ECHO and RMTI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ECHO and RMTI?
As of 2026-08-27, the correlation of weekly returns between ECHO and RMTI is 0.35 over 3 years, 0.04 over 1 year and 0.24 over 5 years.
Is RMTI a good diversifier for ECHO?
Reasonably. At 0.35, ECHO and RMTI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.35 mean?
A reading of 0.35 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/echo-vs-rmti.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/echo-vs-rmti/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ECHO correlations · RMTI correlations
