EDUC vs SERV: Correlation
Educational Development Corporation (EDUC) and Serve Robotics Inc. (SERV) show a weak relationship: their 3-year correlation of weekly returns is 0.28.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EDUC and SERV?
Over the past 3 years, EDUC and SERV moved with a correlation of 0.28, which is weak. Recent behaviour matches the longer record: 0.37 over 1 year against 0.28 over 3. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 2738.5 %².
SERV is one of the assets that tracks EDUC most closely: it ranks #2 out of the 14 assets we track against EDUC. The last year tells two different stories: EDUC led by 83.9 percentage points, +25.9% for EDUC against -58.0% for SERV. One caveat on sizing: SERV is 3.0 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.
EDUC vs SERV: side by side
| EDUC (Educational Development Corporation) | SERV (Serve Robotics Inc.) | |
|---|---|---|
| 1-year return | +25.9% | -58.0% |
| 5-year return | -85.6% | n/a |
| Volatility (ann.) | 62.4% | 186.9% |
| Beta vs S&P 500 | 0.67 | 1.18 |
| Max drawdown (3Y) | -63.5% | -92.4% |
| Market cap | – | $0.4B |
| P/E (trailing) | 5.7 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | EDUC | SERV |
|---|---|---|
| 2022 | -64.6% | – |
| 2023 | -63.3% | – |
| 2024 | +42.2% | – |
| 2025 | -20.0% | -23.1% |
| 2026 | +3.0% | -53.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EDUC and SERV good diversifiers for each other?
Reasonably. At 0.28, EDUC and SERV keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between EDUC and SERV?
The EDUC/SERV correlation stands at 0.28 on a 3-year window (1 year: 0.37, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is SERV a good diversifier for EDUC?
Reasonably. At 0.28, EDUC and SERV keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.28 mean?
A reading of 0.28 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: EDUC correlations · SERV correlations
