HQL vs PRTA: Correlation
Measured on weekly returns over the past three years, abrdn Life Sciences Investors Shares of Beneficial Interest (HQL) and Prothena Corporation plc (PRTA) carry a correlation of 0.48, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HQL and PRTA?
Over the past 3 years, HQL and PRTA moved with a correlation of 0.48, which is moderate. Recent behaviour matches the longer record: 0.52 over 1 year against 0.48 over 3. Over 5 years the correlation is 0.37, and the annualized covariance of weekly returns is 653.4 %².
By 3-year correlation, PRTA places #37 of the 72 assets tracked against HQL. Correlation aside, the last 12 months split them widely, with HQL ahead by 69.7 points (+75.9% versus +6.2%). Risk is not evenly split, since PRTA carries 2.5 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 PRTA: side by side
| HQL (abrdn Life Sciences Investors Shares of Beneficial Interest) | PRTA (Prothena Corporation plc) | |
|---|---|---|
| 1-year return | +75.9% | +6.2% |
| 5-year return | +74.1% | -86.9% |
| Volatility (ann.) | 23.5% | 57.9% |
| Beta vs S&P 500 | 0.88 | 0.93 |
| Max drawdown (3Y) | -25.1% | -91.9% |
| Market cap | – | $0.5B |
| P/E (trailing) | 3.2 | – |
| Dividend yield | 8.87% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | HQL | PRTA |
|---|---|---|
| 2022 | -19.2% | +22.0% |
| 2023 | +4.2% | -39.7% |
| 2024 | +11.0% | -61.9% |
| 2025 | +45.5% | -31.0% |
| 2026 | +40.9% | -4.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HQL and PRTA good diversifiers for each other?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between HQL and PRTA?
As of 2026-08-27, the correlation of weekly returns between HQL and PRTA is 0.48 over 3 years, 0.52 over 1 year and 0.37 over 5 years.
Is PRTA a good diversifier for HQL?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.48 mean?
A reading of 0.48 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
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Related comparisons
Hubs: HQL correlations · PRTA correlations
