DGX vs JNJ: Correlation
Quest Diagnostics (DGX) and Johnson & Johnson (JNJ) show a moderate relationship: their 3-year correlation of weekly returns is 0.49.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DGX and JNJ?
Over the past 3 years, DGX and JNJ moved with a correlation of 0.49, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.64 versus 0.49 over 3 years. Over 5 years the correlation is 0.45, and the annualized covariance of weekly returns is 175.3 %².
JNJ is one of the assets that tracks DGX most closely: it ranks #2 out of the 32 assets we track against DGX. Correlation aside, the last 12 months split them widely, with JNJ ahead by 15.2 points (+38.5% versus +53.7%). The relationship is regime-dependent: the rolling one-year correlation swung between 0.14 and 0.64 over the past three years, so this pair behaves very differently depending on the market environment.
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.
DGX vs JNJ: side by side
| DGX (Quest Diagnostics) | JNJ (Johnson & Johnson) | |
|---|---|---|
| 1-year return | +38.5% | +53.7% |
| 5-year return | +78.8% | +76.0% |
| Volatility (ann.) | 19.1% | 18.5% |
| Beta vs S&P 500 | 0.09 | 0.05 |
| Max drawdown (3Y) | -12.4% | -14.4% |
| Market cap | $27.0B | $640.5B |
| P/E (trailing) | 26.0 | 30.9 |
| Dividend yield | 1.36% | 1.94% |
| Sector / category | Health Care | Health Care |
Year-by-year returns
| Year | DGX | JNJ |
|---|---|---|
| 2022 | -7.8% | +6.0% |
| 2023 | -10.1% | -8.6% |
| 2024 | +11.8% | -4.8% |
| 2025 | +17.2% | +47.5% |
| 2026 | +42.8% | +30.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DGX and JNJ good diversifiers for each other?
A fair diversifier. At 0.49, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between DGX and JNJ?
Using weekly returns as of 2026-08-27: 0.49 over 3 years, with 0.64 over the last year and 0.45 over 5 years.
Is JNJ a good diversifier for DGX?
A fair diversifier. At 0.49, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.49 mean?
A reading of 0.49 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/dgx-vs-jnj.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/dgx-vs-jnj/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: DGX correlations · JNJ correlations
