VISN vs VRTX: Correlation
Measured on weekly returns over the past three years, Vistance Networks, Inc. (VISN) and Vertex Pharmaceuticals (VRTX) carry a correlation of -0.23, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are VISN and VRTX?
On 3 years of weekly data the VISN/VRTX correlation comes out at -0.23, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.17 lands near the 3-year figure. The 5-year figure is -0.15, and annualized covariance runs at -727.1 %².
VRTX is close to the least connected end of VISN's tracked universe, ranking #10 of 12. On 12-month performance VISN holds a 7.1-point edge, +47.8% against +40.7%. One caveat on sizing: VISN is 3.5 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.
VISN vs VRTX: side by side
| VISN (Vistance Networks, Inc.) | VRTX (Vertex Pharmaceuticals) | |
|---|---|---|
| 1-year return | +47.8% | +40.7% |
| 5-year return | +50.2% | +174.5% |
| Volatility (ann.) | 105.2% | 30.3% |
| Beta vs S&P 500 | 1.73 | 0.55 |
| Max drawdown (3Y) | -76.6% | -29.1% |
| Market cap | $2.7B | $138.8B |
| P/E (trailing) | – | 31.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | VISN | VRTX |
|---|---|---|
| 2022 | -33.4% | +31.5% |
| 2023 | -61.6% | +40.9% |
| 2024 | +84.8% | -1.0% |
| 2025 | +248.0% | +12.6% |
| 2026 | +31.5% | +20.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are VISN and VRTX good diversifiers for each other?
Yes. With a correlation of -0.23, VISN and VRTX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between VISN and VRTX?
Using weekly returns as of 2026-08-27: -0.23 over 3 years, with -0.17 over the last year and -0.15 over 5 years.
Is VRTX a good diversifier for VISN?
Yes. With a correlation of -0.23, VISN and VRTX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.23 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/visn-vs-vrtx.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/visn-vs-vrtx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: VISN correlations · VRTX correlations
