BLFS vs TWST: Correlation
How closely do BioLife Solutions, Inc. (BLFS) and Twist Bioscience Corporation (TWST) trade together? Their weekly returns over three years give a correlation of 0.56, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BLFS and TWST?
On 3 years of weekly data the BLFS/TWST correlation comes out at 0.56, moderate. Recent behaviour matches the longer record: 0.58 over 1 year against 0.56 over 3. The 5-year figure is 0.57, and annualized covariance runs at 2148.4 %².
Among the 15 assets we track against BLFS, TWST ranks #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with TWST ahead by 416.8 points (+46.3% versus +463.1%). One caveat on sizing: TWST is 1.5 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
BLFS vs TWST: side by side
| BLFS (BioLife Solutions, Inc.) | TWST (Twist Bioscience Corporation) | |
|---|---|---|
| 1-year return | +46.3% | +463.1% |
| 5-year return | -36.2% | +39.8% |
| Volatility (ann.) | 50.1% | 76.1% |
| Beta vs S&P 500 | 1.66 | 2.21 |
| Max drawdown (3Y) | -37.0% | -59.0% |
| Market cap | $1.8B | $9.6B |
| P/E (trailing) | 37.2 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BLFS | TWST |
|---|---|---|
| 2022 | -51.2% | -69.2% |
| 2023 | -10.7% | +54.8% |
| 2024 | +59.8% | +26.1% |
| 2025 | -6.9% | -31.7% |
| 2026 | +53.8% | +382.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BLFS and TWST 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 BLFS and TWST?
As of 2026-08-27, the correlation of weekly returns between BLFS and TWST is 0.56 over 3 years, 0.58 over 1 year and 0.57 over 5 years.
Is TWST a good diversifier for BLFS?
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?
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/blfs-vs-twst.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/blfs-vs-twst/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BLFS correlations · TWST correlations