DGX vs VLN: Correlation
How closely do Quest Diagnostics (DGX) and Valens Semiconductor Ltd. (VLN) trade together? Their weekly returns over three years give a correlation of -0.20, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DGX and VLN?
On 3 years of weekly data the DGX/VLN correlation comes out at -0.20, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.31) runs below the 3-year figure (-0.20). The 5-year figure is -0.04, and annualized covariance runs at -302.8 %².
Out of 32 assets tracked against DGX, VLN lands near the bottom at #30. The last year tells two different stories: DGX led by 45.9 percentage points, +38.5% for DGX against -7.4% for VLN. One caveat on sizing: VLN is 4.1 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.
DGX vs VLN: side by side
| DGX (Quest Diagnostics) | VLN (Valens Semiconductor Ltd.) | |
|---|---|---|
| 1-year return | +38.5% | -7.4% |
| 5-year return | +78.8% | -74.7% |
| Volatility (ann.) | 19.1% | 79.0% |
| Beta vs S&P 500 | 0.09 | 2.08 |
| Max drawdown (3Y) | -12.4% | -67.9% |
| Market cap | $27.0B | $0.2B |
| P/E (trailing) | 26.0 | – |
| Dividend yield | 1.36% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | DGX | VLN |
|---|---|---|
| 2022 | -7.8% | -30.3% |
| 2023 | -10.1% | -54.4% |
| 2024 | +11.8% | +6.1% |
| 2025 | +17.2% | -45.4% |
| 2026 | +42.8% | +31.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DGX and VLN good diversifiers for each other?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
FAQ
What is the correlation between DGX and VLN?
Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.31 over the last year and -0.04 over 5 years.
Is VLN a good diversifier for DGX?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
What does a correlation of -0.20 mean?
On the −1 to +1 scale, -0.20 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/dgx-vs-vln.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/dgx-vs-vln/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DGX correlations · VLN correlations
