RMTI vs VXX: Correlation
How closely do Rockwell Medical, Inc. (RMTI) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) trade together? Their weekly returns over three years give a correlation of -0.32, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RMTI and VXX?
Over the past 3 years, RMTI and VXX moved with a correlation of -0.32, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.22) sits close to the 3-year figure. Over 5 years the correlation is -0.29, and the annualized covariance of weekly returns is -1540.7 %².
Out of 11 assets tracked against RMTI, VXX lands near the bottom at #11. Their 12-month results are close: -47.3% for RMTI against -49.7% for VXX.
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.
RMTI vs VXX: side by side
| RMTI (Rockwell Medical, Inc.) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | -47.3% | -49.7% |
| 5-year return | -89.3% | -95.6% |
| Volatility (ann.) | 79.9% | 60.9% |
| Beta vs S&P 500 | 1.63 | -3.31 |
| Max drawdown (3Y) | -88.8% | -83.3% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RMTI | VXX |
|---|---|---|
| 2022 | -77.6% | -23.8% |
| 2023 | +87.1% | -72.5% |
| 2024 | +7.9% | -26.2% |
| 2025 | -59.3% | -42.2% |
| 2026 | -6.6% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RMTI and VXX good diversifiers for each other?
Yes. With a correlation of -0.32, RMTI and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between RMTI and VXX?
As of 2026-08-27, the correlation of weekly returns between RMTI and VXX is -0.32 over 3 years, -0.22 over 1 year and -0.29 over 5 years.
Is VXX a good diversifier for RMTI?
Yes. With a correlation of -0.32, RMTI and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.32 mean?
On the −1 to +1 scale, -0.32 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/rmti-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/rmti-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: RMTI correlations · VXX correlations
