AAT vs DEI: Correlation
Measured on weekly returns over the past three years, American Assets Trust, Inc. (AAT) and Douglas Emmett, Inc. (DEI) carry a correlation of 0.79, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AAT and DEI?
Across a 3-year window, the weekly returns of AAT and DEI correlate at 0.79, strong. The past 12 months show a weaker link (0.54) than the 3-year average (0.79). Stretching to 5 years gives 0.76, with an annualized covariance of 755.3 %².
Few assets follow AAT as closely as DEI, which ranks #2 of 24 tracked partners. Their recent paths diverged sharply: over the last 12 months AAT outperformed by 37.3 percentage points (+16.2% for AAT against -21.1% for DEI).
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.
AAT vs DEI: side by side
| AAT (American Assets Trust, Inc.) | DEI (Douglas Emmett, Inc.) | |
|---|---|---|
| 1-year return | +16.2% | -21.1% |
| 5-year return | -24.9% | -52.6% |
| Volatility (ann.) | 26.7% | 35.7% |
| Beta vs S&P 500 | 0.74 | 0.99 |
| Max drawdown (3Y) | -38.0% | -51.8% |
| Market cap | $1.7B | $2.4B |
| P/E (trailing) | 75.0 | – |
| Dividend yield | 5.98% | 6.35% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AAT | DEI |
|---|---|---|
| 2022 | -26.4% | -50.9% |
| 2023 | -9.6% | -1.9% |
| 2024 | +23.3% | +34.6% |
| 2025 | -23.0% | -37.5% |
| 2026 | +22.7% | +12.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AAT and DEI good diversifiers for each other?
To a limited degree. At 0.79 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between AAT and DEI?
The AAT/DEI correlation stands at 0.79 on a 3-year window (1 year: 0.54, 5 years: 0.76), computed from weekly returns as of 2026-08-27.
Is DEI a good diversifier for AAT?
To a limited degree. At 0.79 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.79 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aat-vs-dei.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/aat-vs-dei/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AAT correlations · DEI correlations
