ACIW vs FICO: Correlation
How closely do ACI Worldwide, Inc. (ACIW) and Fair Isaac (FICO) trade together? Their weekly returns over three years give a correlation of 0.56, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACIW and FICO?
Across a 3-year window, the weekly returns of ACIW and FICO correlate at 0.56, moderate. The relationship has been stable: the 1-year correlation (0.60) sits close to the 3-year figure. Stretching to 5 years gives 0.45, with an annualized covariance of 893.8 %².
By 3-year correlation, FICO places #6 of the 20 assets tracked against ACIW. Their recent paths diverged sharply: over the last 12 months ACIW outperformed by 30.3 percentage points (+11.8% for ACIW against -18.5% for FICO).
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 FICO: side by side
| ACIW (ACI Worldwide, Inc.) | FICO (Fair Isaac) | |
|---|---|---|
| 1-year return | +11.8% | -18.5% |
| 5-year return | +69.0% | +154.2% |
| Volatility (ann.) | 35.3% | 45.1% |
| Beta vs S&P 500 | 1.07 | 1.27 |
| Max drawdown (3Y) | -35.0% | -61.3% |
| Market cap | $5.5B | $25.0B |
| P/E (trailing) | 24.3 | 32.8 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | ACIW | FICO |
|---|---|---|
| 2022 | -33.7% | +38.0% |
| 2023 | +33.0% | +94.5% |
| 2024 | +69.6% | +71.0% |
| 2025 | -7.9% | -15.1% |
| 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 FICO good diversifiers for each other?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ACIW and FICO?
The ACIW/FICO correlation stands at 0.56 on a 3-year window (1 year: 0.60, 5 years: 0.45), computed from weekly returns as of 2026-08-27.
Is FICO a good diversifier for ACIW?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.56 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aciw-vs-fico.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aciw-vs-fico/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ACIW correlations · FICO correlations
