HQL vs PTCT: Correlation
How closely do abrdn Life Sciences Investors Shares of Beneficial Interest (HQL) and PTC Therapeutics, Inc. (PTCT) trade together? Their weekly returns over three years give a correlation of 0.43, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HQL and PTCT?
Over the past 3 years, HQL and PTCT moved with a correlation of 0.43, which is moderate. The relationship has been stable: the 1-year correlation (0.48) sits close to the 3-year figure. Over 5 years the correlation is 0.46, and the annualized covariance of weekly returns is 529.0 %².
Among the 72 assets we track against HQL, PTCT ranks #56 by 3-year correlation. The last year tells two different stories: HQL led by 31.6 percentage points, +75.9% for HQL against +44.3% for PTCT. Risk is not evenly split, since PTCT carries 2.2 times the volatility of the other side.
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.
HQL vs PTCT: side by side
| HQL (abrdn Life Sciences Investors Shares of Beneficial Interest) | PTCT (PTC Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | +75.9% | +44.3% |
| 5-year return | +74.1% | +70.4% |
| Volatility (ann.) | 23.5% | 52.5% |
| Beta vs S&P 500 | 0.88 | 1.25 |
| Max drawdown (3Y) | -25.1% | -56.8% |
| Market cap | – | $6.0B |
| P/E (trailing) | 3.2 | – |
| Dividend yield | 8.87% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | HQL | PTCT |
|---|---|---|
| 2022 | -19.2% | -4.2% |
| 2023 | +4.2% | -27.8% |
| 2024 | +11.0% | +63.8% |
| 2025 | +45.5% | +68.3% |
| 2026 | +40.9% | -5.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HQL and PTCT good diversifiers for each other?
Reasonably. At 0.43, HQL and PTCT keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between HQL and PTCT?
As of 2026-08-27, the correlation of weekly returns between HQL and PTCT is 0.43 over 3 years, 0.48 over 1 year and 0.46 over 5 years.
Is PTCT a good diversifier for HQL?
Reasonably. At 0.43, HQL and PTCT keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.43 mean?
On the −1 to +1 scale, 0.43 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/hql-vs-ptct.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/hql-vs-ptct/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: HQL correlations · PTCT correlations
