CENX vs VXX: Correlation
Century Aluminum Company (CENX) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) show a negative relationship: their 3-year correlation of weekly returns is -0.41.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CENX and VXX?
On 3 years of weekly data the CENX/VXX correlation comes out at -0.41, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.26) runs above the 3-year figure (-0.41). The 5-year figure is -0.32, and annualized covariance runs at -1655.7 %².
VXX is close to the least connected end of CENX's tracked universe, ranking #12 of 12. Correlation aside, the last 12 months split them widely, with CENX ahead by 151.9 points (+102.2% versus -49.7%).
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.
CENX vs VXX: side by side
| CENX (Century Aluminum Company) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | +102.2% | -49.7% |
| 5-year return | +270.4% | -95.6% |
| Volatility (ann.) | 67.1% | 60.9% |
| Beta vs S&P 500 | 2.12 | -3.31 |
| Max drawdown (3Y) | -42.8% | -83.3% |
| Market cap | $4.5B | – |
| P/E (trailing) | 7.9 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CENX | VXX |
|---|---|---|
| 2022 | -50.6% | -23.8% |
| 2023 | +48.4% | -72.5% |
| 2024 | +50.1% | -26.2% |
| 2025 | +115.0% | -42.2% |
| 2026 | +17.1% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CENX and VXX good diversifiers for each other?
By historical standards, yes. A correlation of -0.41 means the two rarely move for the same reasons.
FAQ
What is the correlation between CENX and VXX?
The CENX/VXX correlation stands at -0.41 on a 3-year window (1 year: -0.26, 5 years: -0.32), computed from weekly returns as of 2026-08-27.
Is VXX a good diversifier for CENX?
By historical standards, yes. A correlation of -0.41 means the two rarely move for the same reasons.
What does a correlation of -0.41 mean?
A reading of -0.41 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/cenx-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cenx-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CENX correlations · VXX correlations
