ALNY vs PIM: Correlation
Measured on weekly returns over the past three years, Alnylam Pharmaceuticals, Inc. (ALNY) and Franklin Master Intermediate Income Trust Shares of (PIM) carry a correlation of 0.38, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALNY and PIM?
Across a 3-year window, the weekly returns of ALNY and PIM correlate at 0.38, moderate. The past 12 months show a weaker link (0.24) than the 3-year average (0.38). Stretching to 5 years gives 0.37, with an annualized covariance of 170.5 %².
Within ALNY's tracked universe of 11 assets, PIM comes in at #5 by 3-year correlation. The last year tells two different stories: PIM led by 51.1 percentage points, -47.9% for ALNY against +3.2% for PIM. Note the risk asymmetry: ALNY runs 5.3 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.
ALNY vs PIM: side by side
| ALNY (Alnylam Pharmaceuticals, Inc.) | PIM (Franklin Master Intermediate Income Trust Shares of) | |
|---|---|---|
| 1-year return | -47.9% | +3.2% |
| 5-year return | +16.2% | +16.1% |
| Volatility (ann.) | 48.5% | 9.2% |
| Beta vs S&P 500 | 0.93 | 0.26 |
| Max drawdown (3Y) | -58.2% | -6.4% |
| Market cap | $31.7B | $0.2B |
| P/E (trailing) | 41.6 | 14.4 |
| Dividend yield | 0.00% | 8.35% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ALNY | PIM |
|---|---|---|
| 2022 | +40.1% | -12.5% |
| 2023 | -19.5% | +8.4% |
| 2024 | +22.9% | +10.9% |
| 2025 | +69.0% | +10.9% |
| 2026 | -40.5% | +0.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALNY and PIM good diversifiers for each other?
Reasonably. At 0.38, ALNY and PIM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ALNY and PIM?
Using weekly returns as of 2026-08-27: 0.38 over 3 years, with 0.24 over the last year and 0.37 over 5 years.
Is PIM a good diversifier for ALNY?
Reasonably. At 0.38, ALNY and PIM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.38 mean?
A reading of 0.38 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: ALNY correlations · PIM correlations
