DUK vs SOXX: Correlation
Duke Energy (DUK) and iShares Semiconductor ETF (SOXX) show a negative relationship: their 3-year correlation of weekly returns is -0.21.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DUK and SOXX?
Over the past 3 years, DUK and SOXX moved with a correlation of -0.21, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.14) sits close to the 3-year figure. Over 5 years the correlation is -0.05, and the annualized covariance of weekly returns is -115.7 %².
Within DUK's tracked universe of 53 assets, SOXX comes in at #37 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SOXX outperformed by 108.9 percentage points (+1.1% for DUK against +110.0% for SOXX). On a rolling one-year basis the correlation drifted between -0.35 and 0.11, a moderate band. One caveat on sizing: SOXX is 2.2 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.
DUK vs SOXX: side by side
| DUK (Duke Energy) | SOXX (iShares Semiconductor ETF) | |
|---|---|---|
| 1-year return | +1.1% | +110.0% |
| 5-year return | +39.8% | +247.5% |
| Volatility (ann.) | 15.9% | 35.2% |
| Beta vs S&P 500 | -0.09 | 1.93 |
| Max drawdown (3Y) | -11.6% | -41.4% |
| Market cap | $94.2B | – |
| P/E (trailing) | 18.3 | – |
| Dividend yield | 3.49% | 0.29% |
| Expense ratio | – | 0.33% |
| Assets under management | – | $44.7B |
| Sector / category | Utilities | ETF · Thematic |
On the fund side, SOXX sits in the Technology category at iShares, with $44.7B under management, 30 holdings, a 0.33% expense ratio, a 0.29% trailing dividend yield.
Year-by-year returns
| Year | DUK | SOXX |
|---|---|---|
| 2022 | +2.0% | -35.1% |
| 2023 | -1.6% | +67.1% |
| 2024 | +15.6% | +12.9% |
| 2025 | +12.7% | +40.7% |
| 2026 | +5.8% | +74.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DUK and SOXX good diversifiers for each other?
Yes. With a correlation of -0.21, DUK and SOXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between DUK and SOXX?
The DUK/SOXX correlation stands at -0.21 on a 3-year window (1 year: -0.14, 5 years: -0.05), computed from weekly returns as of 2026-08-27.
Is SOXX a good diversifier for DUK?
Yes. With a correlation of -0.21, DUK and SOXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.21 mean?
A reading of -0.21 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/duk-vs-soxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/duk-vs-soxx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: DUK correlations · SOXX correlations
