ALNY vs TECX: Correlation
Measured on weekly returns over the past three years, Alnylam Pharmaceuticals, Inc. (ALNY) and Tectonic Therapeutic, Inc. (TECX) carry a correlation of 0.56, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALNY and TECX?
Over the past 3 years, ALNY and TECX moved with a correlation of 0.56, which is moderate. The past 12 months show a weaker link (0.19) than the 3-year average (0.56). Over 5 years the correlation is 0.41, and the annualized covariance of weekly returns is 17047.5 %².
Few assets follow ALNY as closely as TECX, which ranks #1 of 11 tracked partners. Their recent paths diverged sharply: over the last 12 months TECX outperformed by 86.1 percentage points (-47.9% for ALNY against +38.2% for TECX). Risk is not evenly split, since TECX carries 12.9 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.
ALNY vs TECX: side by side
| ALNY (Alnylam Pharmaceuticals, Inc.) | TECX (Tectonic Therapeutic, Inc.) | |
|---|---|---|
| 1-year return | -47.9% | +38.2% |
| 5-year return | +16.2% | -52.9% |
| Volatility (ann.) | 48.5% | 628.0% |
| Beta vs S&P 500 | 0.93 | 0.20 |
| Max drawdown (3Y) | -58.2% | -92.8% |
| Market cap | $31.7B | $0.7B |
| P/E (trailing) | 41.6 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ALNY | TECX |
|---|---|---|
| 2022 | +40.1% | -81.6% |
| 2023 | -19.5% | +91.5% |
| 2024 | +22.9% | +182.9% |
| 2025 | +69.0% | -54.8% |
| 2026 | -40.5% | +75.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALNY and TECX good diversifiers for each other?
To a limited degree. At 0.56 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between ALNY and TECX?
As of 2026-08-27, the correlation of weekly returns between ALNY and TECX is 0.56 over 3 years, 0.19 over 1 year and 0.41 over 5 years.
Is TECX a good diversifier for ALNY?
To a limited degree. At 0.56 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.56 mean?
A reading of 0.56 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
$ curl https://www.pairbook.io/api/v1/pairs/alny-vs-tecx.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/alny-vs-tecx/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ALNY correlations · TECX correlations
