CRUS vs FBLG: Correlation
Cirrus Logic, Inc. (CRUS) and FibroBiologics, Inc. (FBLG) show a negative relationship: their 3-year correlation of weekly returns is -0.21.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CRUS and FBLG?
On 3 years of weekly data the CRUS/FBLG correlation comes out at -0.21, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.19 lands near the 3-year figure. The 5-year figure is n/a, and annualized covariance runs at -1221.9 %².
FBLG is close to the least connected end of CRUS's tracked universe, ranking #11 of 14. The last year tells two different stories: CRUS led by 82.2 percentage points, -5.4% for CRUS against -87.6% for FBLG. One caveat on sizing: FBLG is 4.0 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.
CRUS vs FBLG: side by side
| CRUS (Cirrus Logic, Inc.) | FBLG (FibroBiologics, Inc.) | |
|---|---|---|
| 1-year return | -5.4% | -87.6% |
| 5-year return | +29.6% | n/a |
| Volatility (ann.) | 37.5% | 150.1% |
| Beta vs S&P 500 | 1.34 | 0.40 |
| Max drawdown (3Y) | -46.9% | -99.9% |
| Market cap | $5.6B | – |
| P/E (trailing) | 13.5 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CRUS | FBLG |
|---|---|---|
| 2022 | -19.1% | – |
| 2023 | +11.7% | – |
| 2024 | +19.7% | – |
| 2025 | +19.0% | -88.8% |
| 2026 | -6.4% | -66.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CRUS and FBLG good diversifiers for each other?
Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CRUS and FBLG?
As of 2026-08-27, the correlation of weekly returns between CRUS and FBLG is -0.21 over 3 years, -0.19 over 1 year and n/a over 5 years.
Is FBLG a good diversifier for CRUS?
Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.21 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/crus-vs-fblg.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/crus-vs-fblg/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CRUS correlations · FBLG correlations