ACIW vs XLF: Correlation
ACI Worldwide, Inc. (ACIW) and Financial Select Sector SPDR Fund (XLF) show a moderate relationship: their 3-year correlation of weekly returns is 0.57.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACIW and XLF?
Over the past 3 years, ACIW and XLF moved with a correlation of 0.57, which is moderate. Recent behaviour matches the longer record: 0.49 over 1 year against 0.57 over 3. Over 5 years the correlation is 0.48, and the annualized covariance of weekly returns is 324.1 %².
By 3-year correlation, XLF places #5 of the 20 assets tracked against ACIW. Neither side won the trailing year by much: +11.8% against +9.3%. Risk is not evenly split, since ACIW carries 2.2 times the volatility of the other side.
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 XLF: side by side
| ACIW (ACI Worldwide, Inc.) | XLF (Financial Select Sector SPDR Fund) | |
|---|---|---|
| 1-year return | +11.8% | +9.3% |
| 5-year return | +69.0% | +64.2% |
| Volatility (ann.) | 35.3% | 16.2% |
| Beta vs S&P 500 | 1.07 | 0.84 |
| Max drawdown (3Y) | -35.0% | -15.5% |
| Market cap | $5.5B | – |
| P/E (trailing) | 24.3 | – |
| Dividend yield | 0.00% | 1.42% |
| Expense ratio | – | 0.08% |
| Assets under management | – | $57.9B |
| Sector / category | US Listed | Sector ETF |
XLF is a Financial fund from State Street Investment Management: $57.9B under management, 77 holdings, a 0.08% expense ratio, a 1.42% trailing dividend yield.
Year-by-year returns
| Year | ACIW | XLF |
|---|---|---|
| 2022 | -33.7% | -10.6% |
| 2023 | +33.0% | +12.0% |
| 2024 | +69.6% | +30.6% |
| 2025 | -7.9% | +14.9% |
| 2026 | +13.4% | +6.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACIW and XLF good diversifiers for each other?
To a limited degree. At 0.57 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between ACIW and XLF?
As of 2026-08-27, the correlation of weekly returns between ACIW and XLF is 0.57 over 3 years, 0.49 over 1 year and 0.48 over 5 years.
Is XLF a good diversifier for ACIW?
To a limited degree. At 0.57 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.57 mean?
A reading of 0.57 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-xlf.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/aciw-vs-xlf/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ACIW correlations · XLF correlations
