DIA vs J: Correlation
SPDR Dow Jones Industrial Average ETF (DIA) and Jacobs Solutions (J) show a moderate relationship: their 3-year correlation of weekly returns is 0.49.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DIA and J?
Over the past 3 years, DIA and J moved with a correlation of 0.49, which is moderate. The relationship has been stable: the 1-year correlation (0.50) sits close to the 3-year figure. Over 5 years the correlation is 0.58, and the annualized covariance of weekly returns is 164.8 %².
By 3-year correlation, J places #91 of the 116 assets tracked against DIA. The last year tells two different stories: DIA led by 16.6 percentage points, +19.2% for DIA against +2.6% for J. Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from 0.20 to 0.74. One caveat on sizing: J is 2.0 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.
DIA vs J: side by side
| DIA (SPDR Dow Jones Industrial Average ETF) | J (Jacobs Solutions) | |
|---|---|---|
| 1-year return | +19.2% | +2.6% |
| 5-year return | +64.8% | +40.5% |
| Volatility (ann.) | 13.0% | 25.7% |
| Beta vs S&P 500 | 0.79 | 0.77 |
| Max drawdown (3Y) | -16.0% | -34.4% |
| Market cap | – | $17.6B |
| P/E (trailing) | – | 49.9 |
| Dividend yield | 1.37% | 0.90% |
| Expense ratio | 0.16% | – |
| Assets under management | $45.2B | – |
| Sector / category | ETF · US Large Cap | Industrials |
DIA is a Large Value fund from State Street Investment Management: $45.2B under management, 30 holdings, a 0.16% expense ratio, a 1.37% trailing dividend yield.
Year-by-year returns
| Year | DIA | J |
|---|---|---|
| 2022 | -7.0% | -13.1% |
| 2023 | +16.0% | +9.0% |
| 2024 | +14.8% | +24.2% |
| 2025 | +14.7% | +1.1% |
| 2026 | +12.3% | +14.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DIA and J good diversifiers for each other?
A fair diversifier. At 0.49, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between DIA and J?
Using weekly returns as of 2026-08-27: 0.49 over 3 years, with 0.50 over the last year and 0.58 over 5 years.
Is J a good diversifier for DIA?
A fair diversifier. At 0.49, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.49 mean?
On the −1 to +1 scale, 0.49 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/dia-vs-j.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/dia-vs-j/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: DIA correlations · J correlations
