SUIG vs WST: Correlation
Sui Group Holdings Limited (SUIG) and West Pharmaceutical Services (WST) show a moderate relationship: their 3-year correlation of weekly returns is 0.42.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SUIG and WST?
Over the past 3 years, SUIG and WST moved with a correlation of 0.42, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.21 versus 0.42 over 3 years. Over 5 years the correlation is 0.30, and the annualized covariance of weekly returns is 2619.3 %².
Among the 27 assets we track against SUIG, WST ranks #9 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months WST outperformed by 124.5 percentage points (-83.4% for SUIG against +41.1% for WST). One caveat on sizing: SUIG is 4.2 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.
SUIG vs WST: side by side
| SUIG (Sui Group Holdings Limited) | WST (West Pharmaceutical Services) | |
|---|---|---|
| 1-year return | -83.4% | +41.1% |
| 5-year return | -88.3% | -22.4% |
| Volatility (ann.) | 162.1% | 38.6% |
| Beta vs S&P 500 | 1.61 | 0.86 |
| Max drawdown (3Y) | -89.2% | -53.8% |
| Market cap | $0.1B | $24.4B |
| P/E (trailing) | – | 44.8 |
| Dividend yield | 0.00% | 0.25% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | SUIG | WST |
|---|---|---|
| 2022 | -75.1% | -49.7% |
| 2023 | +19.5% | +50.0% |
| 2024 | -20.3% | -6.8% |
| 2025 | -14.4% | -15.7% |
| 2026 | -38.3% | +26.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SUIG and WST good diversifiers for each other?
Reasonably. At 0.42, SUIG and WST keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between SUIG and WST?
The SUIG/WST correlation stands at 0.42 on a 3-year window (1 year: 0.21, 5 years: 0.30), computed from weekly returns as of 2026-08-27.
Is WST a good diversifier for SUIG?
Reasonably. At 0.42, SUIG and WST keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.42 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/suig-vs-wst.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/suig-vs-wst/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: SUIG correlations · WST correlations
