CBIO vs RBLX: Correlation
Crescent Biopharma, Inc. (CBIO) and Roblox Corporation (RBLX) show a moderate relationship: their 3-year correlation of weekly returns is 0.40.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CBIO and RBLX?
On 3 years of weekly data the CBIO/RBLX correlation comes out at 0.40, moderate. Recent behaviour matches the longer record: 0.39 over 1 year against 0.40 over 3. The 5-year figure is 0.21, and annualized covariance runs at 2601.0 %².
By 3-year correlation, RBLX places #6 of the 16 assets tracked against CBIO. The last year tells two different stories: CBIO led by 93.5 percentage points, +24.6% for CBIO against -68.9% for RBLX. Note the risk asymmetry: CBIO runs 2.2 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.
CBIO vs RBLX: side by side
| CBIO (Crescent Biopharma, Inc.) | RBLX (Roblox Corporation) | |
|---|---|---|
| 1-year return | +24.6% | -68.9% |
| 5-year return | -107.8% | -53.4% |
| Volatility (ann.) | 117.9% | 54.8% |
| Beta vs S&P 500 | 1.30 | 1.26 |
| Max drawdown (3Y) | -97.4% | -74.9% |
| Market cap | $0.7B | $27.3B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CBIO | RBLX |
|---|---|---|
| 2022 | -275.3% | -72.4% |
| 2023 | -15.0% | +60.6% |
| 2024 | -89.4% | +26.6% |
| 2025 | -52.6% | +40.0% |
| 2026 | +49.7% | -52.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CBIO and RBLX good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between CBIO and RBLX?
Using weekly returns as of 2026-08-27: 0.40 over 3 years, with 0.39 over the last year and 0.21 over 5 years.
Is RBLX a good diversifier for CBIO?
Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.40 mean?
On the −1 to +1 scale, 0.40 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/cbio-vs-rblx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cbio-vs-rblx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CBIO correlations · RBLX correlations
