ABT vs DGX: Correlation
How closely do Abbott Laboratories (ABT) and Quest Diagnostics (DGX) trade together? Their weekly returns over three years give a correlation of 0.39, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ABT and DGX?
On 3 years of weekly data the ABT/DGX correlation comes out at 0.39, moderate. The relationship has been stable: the 1-year correlation (0.49) sits close to the 3-year figure. The 5-year figure is 0.46, and annualized covariance runs at 163.7 %².
By 3-year correlation, DGX places #13 of the 29 assets tracked against ABT. The last year tells two different stories: DGX led by 51.7 percentage points, -13.2% for ABT against +38.5% for DGX. Across three years, the rolling one-year figure varied moderately, from 0.07 to 0.50.
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.
ABT vs DGX: side by side
| ABT (Abbott Laboratories) | DGX (Quest Diagnostics) | |
|---|---|---|
| 1-year return | -13.2% | +38.5% |
| 5-year return | -2.3% | +78.8% |
| Volatility (ann.) | 22.0% | 19.1% |
| Beta vs S&P 500 | 0.16 | 0.09 |
| Max drawdown (3Y) | -39.6% | -12.4% |
| Market cap | $193.1B | $27.0B |
| P/E (trailing) | 37.0 | 26.0 |
| Dividend yield | 2.17% | 1.36% |
| Sector / category | Health Care | Health Care |
Year-by-year returns
| Year | ABT | DGX |
|---|---|---|
| 2022 | -20.7% | -7.8% |
| 2023 | +2.3% | -10.1% |
| 2024 | +4.8% | +11.8% |
| 2025 | +12.9% | +17.2% |
| 2026 | -9.3% | +42.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ABT and DGX good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.39 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ABT and DGX?
Using weekly returns as of 2026-08-27: 0.39 over 3 years, with 0.49 over the last year and 0.46 over 5 years.
Is DGX a good diversifier for ABT?
Yes, to a useful degree: a correlation of 0.39 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.39 mean?
On the −1 to +1 scale, 0.39 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/abt-vs-dgx.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/abt-vs-dgx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ABT correlations · DGX correlations
