QQQ vs RMTI: Correlation
How closely do Invesco QQQ Trust (QQQ) and Rockwell Medical, Inc. (RMTI) trade together? Their weekly returns over three years give a correlation of 0.28, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and RMTI?
Across a 3-year window, the weekly returns of QQQ and RMTI correlate at 0.28, weak. Lately the two have drifted apart, with the 1-year correlation at 0.09 versus 0.28 over 3 years. Stretching to 5 years gives 0.29, with an annualized covariance of 432.6 %².
Within QQQ's tracked universe of 4755 assets, RMTI comes in at #1768 by 3-year correlation. The last year tells two different stories: QQQ led by 73.6 percentage points, +26.3% for QQQ against -47.3% for RMTI. Risk is not evenly split, since RMTI carries 4.1 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.
QQQ vs RMTI: side by side
| QQQ (Invesco QQQ Trust) | RMTI (Rockwell Medical, Inc.) | |
|---|---|---|
| 1-year return | +26.3% | -47.3% |
| 5-year return | +95.4% | -89.3% |
| Volatility (ann.) | 19.6% | 79.9% |
| Beta vs S&P 500 | 1.28 | 1.63 |
| Max drawdown (3Y) | -22.8% | -88.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.44% | 0.00% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
On the fund side, QQQ sits in the Large Growth category at Invesco, with $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | QQQ | RMTI |
|---|---|---|
| 2022 | -32.6% | -77.6% |
| 2023 | +54.9% | +87.1% |
| 2024 | +25.6% | +7.9% |
| 2025 | +20.8% | -59.3% |
| 2026 | +17.7% | -6.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and RMTI good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.28 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between QQQ and RMTI?
Using weekly returns as of 2026-08-27: 0.28 over 3 years, with 0.09 over the last year and 0.29 over 5 years.
Is RMTI a good diversifier for QQQ?
Yes, to a useful degree: a correlation of 0.28 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.28 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/qqq-vs-rmti.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qqq-vs-rmti/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: QQQ correlations · RMTI correlations
