BLFS vs PHR: Correlation
How closely do BioLife Solutions, Inc. (BLFS) and Phreesia, Inc. (PHR) trade together? Their weekly returns over three years give a correlation of 0.50, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BLFS and PHR?
On 3 years of weekly data the BLFS/PHR correlation comes out at 0.50, moderate. The past 12 months show a weaker link (0.38) than the 3-year average (0.50). The 5-year figure is 0.51, and annualized covariance runs at 1444.1 %².
By 3-year correlation, PHR places #8 of the 15 assets tracked against BLFS. Their recent paths diverged sharply: over the last 12 months BLFS outperformed by 109.2 percentage points (+46.3% for BLFS against -62.9% for PHR).
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 PHR: side by side
| BLFS (BioLife Solutions, Inc.) | PHR (Phreesia, Inc.) | |
|---|---|---|
| 1-year return | +46.3% | -62.9% |
| 5-year return | -36.2% | -83.5% |
| Volatility (ann.) | 50.1% | 57.6% |
| Beta vs S&P 500 | 1.66 | 1.57 |
| Max drawdown (3Y) | -37.0% | -75.2% |
| Market cap | $1.8B | $0.7B |
| P/E (trailing) | 37.2 | 74.1 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BLFS | PHR |
|---|---|---|
| 2022 | -51.2% | -22.3% |
| 2023 | -10.7% | -28.5% |
| 2024 | +59.8% | +8.7% |
| 2025 | -6.9% | -32.8% |
| 2026 | +53.8% | -29.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BLFS and PHR good diversifiers for each other?
To a limited degree. At 0.50 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 PHR?
Using weekly returns as of 2026-08-27: 0.50 over 3 years, with 0.38 over the last year and 0.51 over 5 years.
Is PHR a good diversifier for BLFS?
To a limited degree. At 0.50 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 0.50 mean?
A reading of 0.50 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/blfs-vs-phr.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/blfs-vs-phr/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BLFS correlations · PHR correlations
