AEHR vs VXX: Correlation
Measured on weekly returns over the past three years, Aehr Test Systems (AEHR) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) carry a correlation of -0.22, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AEHR and VXX?
Across a 3-year window, the weekly returns of AEHR and VXX correlate at -0.22, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.36) than the 3-year average (-0.22). Stretching to 5 years gives -0.28, with an annualized covariance of -1311.8 %².
Among the 11 assets we track against AEHR, VXX sits near the bottom by co-movement, at rank #10. Correlation aside, the last 12 months split them widely, with AEHR ahead by 322.0 points (+272.3% versus -49.7%). One caveat on sizing: AEHR is 1.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
AEHR vs VXX: side by side
| AEHR (Aehr Test Systems) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | +272.3% | -49.7% |
| 5-year return | +1209.1% | -95.6% |
| Volatility (ann.) | 97.6% | 60.9% |
| Beta vs S&P 500 | 2.33 | -3.31 |
| Max drawdown (3Y) | -87.2% | -83.3% |
| Market cap | $3.0B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AEHR | VXX |
|---|---|---|
| 2022 | -16.9% | -23.8% |
| 2023 | +32.0% | -72.5% |
| 2024 | -37.3% | -26.2% |
| 2025 | +21.4% | -42.2% |
| 2026 | +348.0% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AEHR and VXX good diversifiers for each other?
Yes. With a correlation of -0.22, AEHR and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between AEHR and VXX?
As of 2026-08-27, the correlation of weekly returns between AEHR and VXX is -0.22 over 3 years, -0.36 over 1 year and -0.28 over 5 years.
Is VXX a good diversifier for AEHR?
Yes. With a correlation of -0.22, AEHR and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.22 mean?
A reading of -0.22 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/aehr-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aehr-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: AEHR correlations · VXX correlations
