ASPN vs VXX: Correlation
Measured on weekly returns over the past three years, Aspen Aerogels, Inc. (ASPN) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) carry a correlation of -0.30, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ASPN and VXX?
Across a 3-year window, the weekly returns of ASPN and VXX correlate at -0.30, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.15) runs above the 3-year figure (-0.30). Stretching to 5 years gives -0.32, with an annualized covariance of -1607.3 %².
Out of 14 assets tracked against ASPN, VXX lands near the bottom at #13. Correlation aside, the last 12 months split them widely, with ASPN ahead by 24.2 points (-25.5% 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.
ASPN vs VXX: side by side
| ASPN (Aspen Aerogels, Inc.) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | -25.5% | -49.7% |
| 5-year return | -88.1% | -95.6% |
| Volatility (ann.) | 88.3% | 60.9% |
| Beta vs S&P 500 | 2.05 | -3.31 |
| Max drawdown (3Y) | -91.9% | -83.3% |
| Market cap | $0.4B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ASPN | VXX |
|---|---|---|
| 2022 | -76.3% | -23.8% |
| 2023 | +33.8% | -72.5% |
| 2024 | -24.7% | -26.2% |
| 2025 | -76.2% | -42.2% |
| 2026 | +84.8% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASPN and VXX good diversifiers for each other?
By historical standards, yes. A correlation of -0.30 means the two rarely move for the same reasons.
FAQ
What is the correlation between ASPN and VXX?
The ASPN/VXX correlation stands at -0.30 on a 3-year window (1 year: -0.15, 5 years: -0.32), computed from weekly returns as of 2026-08-27.
Is VXX a good diversifier for ASPN?
By historical standards, yes. A correlation of -0.30 means the two rarely move for the same reasons.
What does a correlation of -0.30 mean?
A reading of -0.30 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/aspn-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aspn-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ASPN correlations · VXX correlations
