DLR vs FIX: Correlation
Measured on weekly returns over the past three years, Digital Realty (DLR) and Comfort Systems USA (FIX) 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 DLR and FIX?
Over the past 3 years, DLR and FIX moved with a correlation of 0.44, which is moderate. Recent behaviour matches the longer record: 0.45 over 1 year against 0.44 over 3. Over 5 years the correlation is 0.40, and the annualized covariance of weekly returns is 567.8 %².
By 3-year correlation, FIX places #14 of the 30 assets tracked against DLR. Their recent paths diverged sharply: over the last 12 months FIX outperformed by 111.6 percentage points (+16.4% for DLR against +128.0% for FIX). This link changes with the market regime, having swung between 0.15 and 0.68 on a rolling one-year basis. Note the risk asymmetry: FIX runs 1.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
DLR vs FIX: side by side
| DLR (Digital Realty) | FIX (Comfort Systems USA) | |
|---|---|---|
| 1-year return | +16.4% | +128.0% |
| 5-year return | +40.3% | +2077.9% |
| Volatility (ann.) | 27.1% | 47.4% |
| Beta vs S&P 500 | 0.73 | 1.74 |
| Max drawdown (3Y) | -29.4% | -46.0% |
| Market cap | $72.5B | $56.8B |
| P/E (trailing) | 94.2 | 39.8 |
| Dividend yield | 2.52% | 0.16% |
| Sector / category | Real Estate | Industrials |
Year-by-year returns
| Year | DLR | FIX |
|---|---|---|
| 2022 | -41.0% | +17.0% |
| 2023 | +39.9% | +79.6% |
| 2024 | +35.9% | +106.9% |
| 2025 | -10.1% | +120.9% |
| 2026 | +25.8% | +73.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DLR and FIX good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between DLR and FIX?
The DLR/FIX correlation stands at 0.44 on a 3-year window (1 year: 0.45, 5 years: 0.40), computed from weekly returns as of 2026-08-27.
Is FIX a good diversifier for DLR?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.44 mean?
A reading of 0.44 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/dlr-vs-fix.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/dlr-vs-fix/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DLR correlations · FIX correlations
