FICO vs XLK: Correlation
Fair Isaac (FICO) and Technology Select Sector SPDR Fund (XLK) show a moderate relationship: their 3-year correlation of weekly returns is 0.34.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FICO and XLK?
Over the past 3 years, FICO and XLK moved with a correlation of 0.34, which is moderate. The past 12 months show a weaker link (0.15) than the 3-year average (0.34). Over 5 years the correlation is 0.41, and the annualized covariance of weekly returns is 364.9 %².
By 3-year correlation, XLK places #19 of the 30 assets tracked against FICO. Their recent paths diverged sharply: over the last 12 months XLK outperformed by 61.9 percentage points (-18.5% for FICO against +43.4% for XLK). On a rolling one-year basis the correlation drifted between 0.17 and 0.65, a moderate band. Note the risk asymmetry: FICO runs 1.9 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
FICO vs XLK: side by side
| FICO (Fair Isaac) | XLK (Technology Select Sector SPDR Fund) | |
|---|---|---|
| 1-year return | -18.5% | +43.4% |
| 5-year return | +154.2% | +145.2% |
| Volatility (ann.) | 45.1% | 24.0% |
| Beta vs S&P 500 | 1.27 | 1.50 |
| Max drawdown (3Y) | -61.3% | -25.7% |
| Market cap | $25.0B | – |
| P/E (trailing) | 32.8 | – |
| Dividend yield | 0.00% | 0.45% |
| Expense ratio | – | 0.08% |
| Assets under management | – | $115.4B |
| Sector / category | Information Technology | Sector ETF |
On the fund side, XLK sits in the Technology category at State Street Investment Management, with $115.4B under management, 73 holdings, a 0.08% expense ratio, a 0.45% trailing dividend yield.
Year-by-year returns
| Year | FICO | XLK |
|---|---|---|
| 2022 | +38.0% | -27.7% |
| 2023 | +94.5% | +56.0% |
| 2024 | +71.0% | +21.6% |
| 2025 | -15.1% | +24.6% |
| 2026 | -31.6% | +31.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
A structural note: 0.18% of XLK is FICO itself, so the fund partly moves with the stock by construction.
Are FICO and XLK good diversifiers for each other?
Reasonably. At 0.34, FICO and XLK keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between FICO and XLK?
As of 2026-08-27, the correlation of weekly returns between FICO and XLK is 0.34 over 3 years, 0.15 over 1 year and 0.41 over 5 years.
Is XLK a good diversifier for FICO?
Reasonably. At 0.34, FICO and XLK keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
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/fico-vs-xlk.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/fico-vs-xlk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FICO correlations · XLK correlations