AMSC vs VXX: Correlation
Measured on weekly returns over the past three years, American Superconductor Corporation (AMSC) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) carry a correlation of -0.34, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMSC and VXX?
On 3 years of weekly data the AMSC/VXX correlation comes out at -0.34, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.22 versus -0.34 over 3 years. The 5-year figure is -0.35, and annualized covariance runs at -1647.2 %².
Out of 13 assets tracked against AMSC, VXX lands near the bottom at #12. Over the last 12 months AMSC came out ahead by 7.0 percentage points (-42.7% against -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.
AMSC vs VXX: side by side
| AMSC (American Superconductor Corporation) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | -42.7% | -49.7% |
| 5-year return | +141.8% | -95.6% |
| Volatility (ann.) | 78.4% | 60.9% |
| Beta vs S&P 500 | 2.16 | -3.31 |
| Max drawdown (3Y) | -61.1% | -83.3% |
| Market cap | $1.4B | – |
| P/E (trailing) | 9.6 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AMSC | VXX |
|---|---|---|
| 2022 | -66.2% | -23.8% |
| 2023 | +202.7% | -72.5% |
| 2024 | +121.1% | -26.2% |
| 2025 | +16.8% | -42.2% |
| 2026 | +3.7% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMSC and VXX good diversifiers for each other?
Yes: at -0.34, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AMSC and VXX?
As of 2026-08-27, the correlation of weekly returns between AMSC and VXX is -0.34 over 3 years, -0.22 over 1 year and -0.35 over 5 years.
Is VXX a good diversifier for AMSC?
Yes: at -0.34, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.34 mean?
A reading of -0.34 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/amsc-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/amsc-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: AMSC correlations · VXX correlations
