RMD vs VXZ: Correlation
Measured on weekly returns over the past three years, ResMed (RMD) and iPath Series B S&P 500 VIX Mid-Term Futures ETN (VXZ) carry a correlation of -0.28, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RMD and VXZ?
Over the past 3 years, RMD and VXZ moved with a correlation of -0.28, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.23 lands near the 3-year figure. Over 5 years the correlation is -0.32, and the annualized covariance of weekly returns is -223.7 %².
VXZ is close to the least connected end of RMD's tracked universe, ranking #29 of 29. Their 12-month results are close: -15.5% for RMD against -16.1% for VXZ.
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.
RMD vs VXZ: side by side
| RMD (ResMed) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | -15.5% | -16.1% |
| 5-year return | -14.6% | -53.1% |
| Volatility (ann.) | 31.2% | 25.6% |
| Beta vs S&P 500 | 0.79 | -1.31 |
| Max drawdown (3Y) | -37.3% | -36.4% |
| Market cap | $34.0B | – |
| P/E (trailing) | 22.6 | – |
| Dividend yield | 1.02% | – |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | RMD | VXZ |
|---|---|---|
| 2022 | -19.5% | +0.5% |
| 2023 | -16.5% | -44.0% |
| 2024 | +34.2% | -12.7% |
| 2025 | +6.3% | +5.7% |
| 2026 | -1.3% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RMD and VXZ good diversifiers for each other?
Yes: at -0.28, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between RMD and VXZ?
The RMD/VXZ correlation stands at -0.28 on a 3-year window (1 year: -0.23, 5 years: -0.32), computed from weekly returns as of 2026-08-27.
Is VXZ a good diversifier for RMD?
Yes: at -0.28, the two have gone their own ways historically, which is what genuine diversification looks like.
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/rmd-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/rmd-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: RMD correlations · VXZ correlations
