AEIS vs DLR: Correlation
Measured on weekly returns over the past three years, Advanced Energy Industries, Inc. (AEIS) and Digital Realty (DLR) carry a correlation of 0.44, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AEIS and DLR?
Across a 3-year window, the weekly returns of AEIS and DLR correlate at 0.44, moderate. The relationship has been stable: the 1-year correlation (0.46) sits close to the 3-year figure. Stretching to 5 years gives 0.42, with an annualized covariance of 526.7 %².
Among the 32 assets we track against AEIS, DLR ranks #27 by 3-year correlation. The last year tells two different stories: AEIS led by 70.6 percentage points, +87.0% for AEIS against +16.4% for DLR. One caveat on sizing: AEIS is 1.6 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.
AEIS vs DLR: side by side
| AEIS (Advanced Energy Industries, Inc.) | DLR (Digital Realty) | |
|---|---|---|
| 1-year return | +87.0% | +16.4% |
| 5-year return | +222.9% | +40.3% |
| Volatility (ann.) | 43.9% | 27.1% |
| Beta vs S&P 500 | 1.69 | 0.73 |
| Max drawdown (3Y) | -39.9% | -29.4% |
| Market cap | $11.5B | $72.5B |
| P/E (trailing) | 52.4 | 94.2 |
| Dividend yield | 0.14% | 2.52% |
| Sector / category | US Listed | Real Estate |
Year-by-year returns
| Year | AEIS | DLR |
|---|---|---|
| 2022 | -5.4% | -41.0% |
| 2023 | +27.5% | +39.9% |
| 2024 | +6.6% | +35.9% |
| 2025 | +81.6% | -10.1% |
| 2026 | +37.3% | +25.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AEIS and DLR good diversifiers for each other?
Reasonably. At 0.44, AEIS and DLR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between AEIS and DLR?
Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.46 over the last year and 0.42 over 5 years.
Is DLR a good diversifier for AEIS?
Reasonably. At 0.44, AEIS and DLR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.44 mean?
On the −1 to +1 scale, 0.44 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/aeis-vs-dlr.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/aeis-vs-dlr/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: AEIS correlations · DLR correlations
