EBAY vs STRA: Correlation
How closely do eBay Inc. (EBAY) and Strategic Education, Inc. (STRA) trade together? Their weekly returns over three years give a correlation of 0.37, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EBAY and STRA?
On 3 years of weekly data the EBAY/STRA correlation comes out at 0.37, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.64 versus 0.37 over 3 years. The 5-year figure is 0.35, and annualized covariance runs at 368.3 %².
Among the 33 assets we track against EBAY, STRA ranks #8 by 3-year correlation. Their 12-month results are close: +10.6% for EBAY against +8.1% for STRA.
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.
EBAY vs STRA: side by side
| EBAY (eBay Inc.) | STRA (Strategic Education, Inc.) | |
|---|---|---|
| 1-year return | +10.6% | +8.1% |
| 5-year return | +43.9% | +27.6% |
| Volatility (ann.) | 28.9% | 34.7% |
| Beta vs S&P 500 | 0.58 | 0.80 |
| Max drawdown (3Y) | -20.7% | -38.1% |
| Market cap | $45.5B | $1.9B |
| P/E (trailing) | 21.9 | 14.2 |
| Dividend yield | 1.15% | 2.81% |
| Sector / category | Consumer Discretionary | US Listed |
Year-by-year returns
| Year | EBAY | STRA |
|---|---|---|
| 2022 | -36.5% | +40.4% |
| 2023 | +7.7% | +21.4% |
| 2024 | +44.8% | +3.5% |
| 2025 | +42.7% | -11.6% |
| 2026 | +18.1% | +8.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EBAY and STRA good diversifiers for each other?
A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between EBAY and STRA?
The EBAY/STRA correlation stands at 0.37 on a 3-year window (1 year: 0.64, 5 years: 0.35), computed from weekly returns as of 2026-08-27.
Is STRA a good diversifier for EBAY?
A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.37 mean?
A reading of 0.37 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ebay-vs-stra.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ebay-vs-stra/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: EBAY correlations · STRA correlations
