AYI vs DIA: Correlation
Measured on weekly returns over the past three years, Acuity Inc. (AYI) and SPDR Dow Jones Industrial Average ETF (DIA) carry a correlation of 0.57, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AYI and DIA?
Over the past 3 years, AYI and DIA moved with a correlation of 0.57, which is moderate. The link has loosened recently: the 1-year correlation (0.42) runs below the 3-year figure (0.57). Over 5 years the correlation is 0.58, and the annualized covariance of weekly returns is 225.5 %².
Few assets follow AYI as closely as DIA, which ranks #3 of 12 tracked partners. Correlation aside, the last 12 months split them widely, with DIA ahead by 16.6 points (+2.6% versus +19.2%). One caveat on sizing: AYI is 2.3 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.
AYI vs DIA: side by side
| AYI (Acuity Inc.) | DIA (SPDR Dow Jones Industrial Average ETF) | |
|---|---|---|
| 1-year return | +2.6% | +19.2% |
| 5-year return | +86.6% | +64.8% |
| Volatility (ann.) | 30.1% | 13.0% |
| Beta vs S&P 500 | 1.13 | 0.79 |
| Max drawdown (3Y) | -33.7% | -16.0% |
| Market cap | $10.2B | – |
| P/E (trailing) | 22.7 | – |
| Dividend yield | 0.22% | 1.37% |
| Expense ratio | – | 0.16% |
| Assets under management | – | $45.2B |
| Sector / category | US Listed | ETF · US Large Cap |
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 | AYI | DIA |
|---|---|---|
| 2022 | -21.5% | -7.0% |
| 2023 | +24.1% | +16.0% |
| 2024 | +42.9% | +14.8% |
| 2025 | +23.5% | +14.7% |
| 2026 | -4.9% | +12.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AYI and DIA good diversifiers for each other?
Somewhat, no more. With 0.57 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between AYI and DIA?
Using weekly returns as of 2026-08-27: 0.57 over 3 years, with 0.42 over the last year and 0.58 over 5 years.
Is DIA a good diversifier for AYI?
Somewhat, no more. With 0.57 correlation, most large moves hit both names, and the diversification benefit stays modest.
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/ayi-vs-dia.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ayi-vs-dia/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: AYI correlations · DIA correlations
