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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

Correlation (3Y)
-0.17
negative
Correlation (1Y)
0.15
last 12 months
Correlation (5Y)
-0.09
long-run
Ann. covariance
-2137.9
%² · weekly, annualized

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 5001.790.67
Max drawdown (3Y)-92.0%-63.5%
Market cap$0.2B
P/E (trailing)5.7
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: EDUC -63.5% vs -92.0%Higher 5y return: CRBP -68.8% vs -85.6%
-25%0%+96%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. CRBP · EDUC

Year-by-year returns

YearCRBPEDUC
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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/crbp-vs-educ.json

CRBP vs EDUC: 3-year weekly correlation -0.17CRBP vs EDUC-0.17

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Related comparisons

Hubs: CRBP correlations · EDUC correlations