AMLX vs PSIG: Correlation
How closely do Amylyx Pharmaceuticals, Inc. (AMLX) and PS International Group Ltd. (PSIG) trade together? Their weekly returns over three years give a correlation of 0.44, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMLX and PSIG?
Over the past 3 years, AMLX and PSIG moved with a correlation of 0.44, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.59 versus 0.44 over 3 years. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 6090.3 %².
Among the 17 assets we track against AMLX, PSIG ranks #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months AMLX outperformed by 347.3 percentage points (+293.4% for AMLX against -53.9% for PSIG). Note the risk asymmetry: PSIG runs 1.6 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
AMLX vs PSIG: side by side
| AMLX (Amylyx Pharmaceuticals, Inc.) | PSIG (PS International Group Ltd.) | |
|---|---|---|
| 1-year return | +293.4% | -53.9% |
| 5-year return | +105.8% | n/a |
| Volatility (ann.) | 97.8% | 157.0% |
| Beta vs S&P 500 | 1.29 | 0.97 |
| Max drawdown (3Y) | -92.6% | -96.0% |
| Market cap | $4.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AMLX | PSIG |
|---|---|---|
| 2023 | -60.2% | – |
| 2024 | -74.3% | – |
| 2025 | +219.6% | +8.3% |
| 2026 | +207.8% | -62.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMLX and PSIG good diversifiers for each other?
Reasonably. At 0.44, AMLX and PSIG keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between AMLX and PSIG?
The AMLX/PSIG correlation stands at 0.44 on a 3-year window (1 year: 0.59, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is PSIG a good diversifier for AMLX?
Reasonably. At 0.44, AMLX and PSIG keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.44 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/amlx-vs-psig.json
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Related comparisons
Hubs: AMLX correlations · PSIG correlations
