MASS vs VXZ: Correlation
Measured on weekly returns over the past three years, 908 Devices Inc. (MASS) 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 MASS and VXZ?
Across a 3-year window, the weekly returns of MASS and VXZ correlate at -0.28, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.40) runs below the 3-year figure (-0.28). Stretching to 5 years gives -0.28, with an annualized covariance of -584.2 %².
Among the 10 assets we track against MASS, VXZ sits near the bottom by co-movement, at rank #9. Correlation aside, the last 12 months split them widely, with MASS ahead by 92.3 points (+76.2% versus -16.1%). Risk is not evenly split, since MASS carries 3.2 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.
MASS vs VXZ: side by side
| MASS (908 Devices Inc.) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | +76.2% | -16.1% |
| 5-year return | -69.9% | -53.1% |
| Volatility (ann.) | 82.7% | 25.6% |
| Beta vs S&P 500 | 1.55 | -1.31 |
| Max drawdown (3Y) | -84.9% | -36.4% |
| Market cap | $0.5B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MASS | VXZ |
|---|---|---|
| 2022 | -70.5% | +0.5% |
| 2023 | +47.2% | -44.0% |
| 2024 | -80.4% | -12.7% |
| 2025 | +138.6% | +5.7% |
| 2026 | +111.4% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MASS and VXZ good diversifiers for each other?
By historical standards, yes. A correlation of -0.28 means the two rarely move for the same reasons.
FAQ
What is the correlation between MASS and VXZ?
The MASS/VXZ correlation stands at -0.28 on a 3-year window (1 year: -0.40, 5 years: -0.28), computed from weekly returns as of 2026-08-27.
Is VXZ a good diversifier for MASS?
By historical standards, yes. A correlation of -0.28 means the two rarely move for the same reasons.
What does a correlation of -0.28 mean?
On the −1 to +1 scale, -0.28 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/mass-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/mass-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MASS correlations · VXZ correlations
