CRBP vs EDUC: Correlation
How closely do Corbus Pharmaceuticals Holdings, Inc. (CRBP) and Educational Development Corporation (EDUC) trade together? Their weekly returns over three years give a correlation of -0.17, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CRBP and EDUC?
Across a 3-year window, the weekly returns of CRBP and EDUC correlate at -0.17, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.15) runs above the 3-year figure (-0.17). Stretching to 5 years gives -0.09, with an annualized covariance of -2137.9 %².
Out of 17 assets tracked against CRBP, EDUC lands near the bottom at #15. The last year tells two different stories: EDUC led by 19.6 percentage points, +6.3% for CRBP against +25.9% for EDUC. One caveat on sizing: CRBP is 3.3 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.
CRBP vs EDUC: side by side
| CRBP (Corbus Pharmaceuticals Holdings, Inc.) | EDUC (Educational Development Corporation) | |
|---|---|---|
| 1-year return | +6.3% | +25.9% |
| 5-year return | -68.8% | -85.6% |
| Volatility (ann.) | 207.1% | 62.4% |
| Beta vs S&P 500 | 1.79 | 0.67 |
| Max drawdown (3Y) | -92.0% | -63.5% |
| Market cap | $0.2B | – |
| P/E (trailing) | – | 5.7 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CRBP | EDUC |
|---|---|---|
| 2022 | -82.0% | -64.6% |
| 2023 | +81.4% | -63.3% |
| 2024 | +95.4% | +42.2% |
| 2025 | -31.0% | -20.0% |
| 2026 | +36.7% | +3.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CRBP and EDUC good diversifiers for each other?
Yes. With a correlation of -0.17, CRBP and EDUC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between CRBP and EDUC?
The CRBP/EDUC correlation stands at -0.17 on a 3-year window (1 year: 0.15, 5 years: -0.09), computed from weekly returns as of 2026-08-27.
Is EDUC a good diversifier for CRBP?
Yes. With a correlation of -0.17, CRBP and EDUC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.17 mean?
On the −1 to +1 scale, -0.17 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/crbp-vs-educ.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/crbp-vs-educ/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CRBP correlations · EDUC correlations