ACIW vs VXX: Correlation
How closely do ACI Worldwide, Inc. (ACIW) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) trade together? Their weekly returns over three years give a correlation of -0.35, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACIW and VXX?
Across a 3-year window, the weekly returns of ACIW and VXX correlate at -0.35, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.10 versus -0.35 over 3 years. Stretching to 5 years gives -0.33, with an annualized covariance of -752.6 %².
Among the 20 assets we track against ACIW, VXX sits near the bottom by co-movement, at rank #19. Correlation aside, the last 12 months split them widely, with ACIW ahead by 61.5 points (+11.8% versus -49.7%). One caveat on sizing: VXX is 1.7 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.
ACIW vs VXX: side by side
| ACIW (ACI Worldwide, Inc.) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | +11.8% | -49.7% |
| 5-year return | +69.0% | -95.6% |
| Volatility (ann.) | 35.3% | 60.9% |
| Beta vs S&P 500 | 1.07 | -3.31 |
| Max drawdown (3Y) | -35.0% | -83.3% |
| Market cap | $5.5B | – |
| P/E (trailing) | 24.3 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACIW | VXX |
|---|---|---|
| 2022 | -33.7% | -23.8% |
| 2023 | +33.0% | -72.5% |
| 2024 | +69.6% | -26.2% |
| 2025 | -7.9% | -42.2% |
| 2026 | +13.4% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACIW and VXX good diversifiers for each other?
Yes. With a correlation of -0.35, ACIW and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between ACIW and VXX?
As of 2026-08-27, the correlation of weekly returns between ACIW and VXX is -0.35 over 3 years, -0.10 over 1 year and -0.33 over 5 years.
Is VXX a good diversifier for ACIW?
Yes. With a correlation of -0.35, ACIW and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.35 mean?
A reading of -0.35 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/aciw-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aciw-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ACIW correlations · VXX correlations
