HALO vs PRLB: Correlation
Halozyme Therapeutics, Inc. (HALO) and Proto Labs, Inc. (PRLB) 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 HALO and PRLB?
Across a 3-year window, the weekly returns of HALO and PRLB correlate at 0.42, moderate. The relationship has been stable: the 1-year correlation (0.40) sits close to the 3-year figure. Stretching to 5 years gives 0.36, with an annualized covariance of 872.2 %².
In HALO's tracked universe of 12 assets, PRLB sits right near the top at #3. On 12-month performance PRLB holds a 11.5-point edge, +46.1% against +57.6%.
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.
HALO vs PRLB: side by side
| HALO (Halozyme Therapeutics, Inc.) | PRLB (Proto Labs, Inc.) | |
|---|---|---|
| 1-year return | +46.1% | +57.6% |
| 5-year return | +154.8% | +10.1% |
| Volatility (ann.) | 41.5% | 50.3% |
| Beta vs S&P 500 | 0.54 | 1.52 |
| Max drawdown (3Y) | -33.9% | -33.6% |
| Market cap | $12.1B | $1.9B |
| P/E (trailing) | 31.4 | 62.6 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | HALO | PRLB |
|---|---|---|
| 2022 | +41.5% | -50.3% |
| 2023 | -35.0% | +52.6% |
| 2024 | +29.4% | +0.3% |
| 2025 | +40.8% | +29.4% |
| 2026 | +58.9% | +58.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HALO and PRLB good diversifiers for each other?
Reasonably. At 0.42, HALO and PRLB keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between HALO and PRLB?
As of 2026-08-27, the correlation of weekly returns between HALO and PRLB is 0.42 over 3 years, 0.40 over 1 year and 0.36 over 5 years.
Is PRLB a good diversifier for HALO?
Reasonably. At 0.42, HALO and PRLB keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.42 mean?
A reading of 0.42 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: HALO correlations · PRLB correlations
