SRXH vs VRTX: Correlation
Measured on weekly returns over the past three years, SRX Global Inc. (SRXH) and Vertex Pharmaceuticals (VRTX) carry a correlation of 0.28, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SRXH and VRTX?
Across a 3-year window, the weekly returns of SRXH and VRTX correlate at 0.28, weak. Little has changed lately, as the 1-year reading of 0.29 lands near the 3-year figure. Stretching to 5 years gives 0.17, with an annualized covariance of 988.5 %².
Within SRXH's tracked universe of 10 assets, VRTX comes in at #5 by 3-year correlation. The last year tells two different stories: VRTX led by 132.6 percentage points, -91.9% for SRXH against +40.7% for VRTX. One caveat on sizing: SRXH is 3.8 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.
SRXH vs VRTX: side by side
| SRXH (SRX Global Inc.) | VRTX (Vertex Pharmaceuticals) | |
|---|---|---|
| 1-year return | -91.9% | +40.7% |
| 5-year return | -100.0% | +174.5% |
| Volatility (ann.) | 116.5% | 30.3% |
| Beta vs S&P 500 | 0.40 | 0.55 |
| Max drawdown (3Y) | -99.8% | -29.1% |
| Market cap | – | $138.8B |
| P/E (trailing) | – | 31.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | SRXH | VRTX |
|---|---|---|
| 2022 | -83.3% | +31.5% |
| 2023 | -48.6% | +40.9% |
| 2024 | -78.8% | -1.0% |
| 2025 | -86.9% | +12.6% |
| 2026 | -86.9% | +20.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SRXH and VRTX good diversifiers for each other?
A fair diversifier. At 0.28, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between SRXH and VRTX?
The SRXH/VRTX correlation stands at 0.28 on a 3-year window (1 year: 0.29, 5 years: 0.17), computed from weekly returns as of 2026-08-27.
Is VRTX a good diversifier for SRXH?
A fair diversifier. At 0.28, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.28 mean?
A reading of 0.28 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/srxh-vs-vrtx.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/srxh-vs-vrtx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: SRXH correlations · VRTX correlations
