EBAY vs EFX: Correlation
Measured on weekly returns over the past three years, eBay Inc. (EBAY) and Equifax (EFX) carry a correlation of 0.36, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EBAY and EFX?
Over the past 3 years, EBAY and EFX moved with a correlation of 0.36, which is moderate. The relationship has been stable: the 1-year correlation (0.41) sits close to the 3-year figure. Over 5 years the correlation is 0.49, and the annualized covariance of weekly returns is 344.5 %².
By 3-year correlation, EFX places #11 of the 33 assets tracked against EBAY. Correlation aside, the last 12 months split them widely, with EBAY ahead by 32.4 points (+10.6% versus -21.8%). This link changes with the market regime, having swung between 0.18 and 0.73 on a rolling one-year basis.
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 EFX: side by side
| EBAY (eBay Inc.) | EFX (Equifax) | |
|---|---|---|
| 1-year return | +10.6% | -21.8% |
| 5-year return | +43.9% | -26.0% |
| Volatility (ann.) | 28.9% | 33.3% |
| Beta vs S&P 500 | 0.58 | 1.25 |
| Max drawdown (3Y) | -20.7% | -49.7% |
| Market cap | $45.5B | $22.4B |
| P/E (trailing) | 21.9 | 33.5 |
| Dividend yield | 1.15% | 1.11% |
| Sector / category | Consumer Discretionary | Industrials |
Year-by-year returns
| Year | EBAY | EFX |
|---|---|---|
| 2022 | -36.5% | -33.1% |
| 2023 | +7.7% | +28.2% |
| 2024 | +44.8% | +3.7% |
| 2025 | +42.7% | -14.2% |
| 2026 | +18.1% | -11.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EBAY and EFX good diversifiers for each other?
A fair diversifier. At 0.36, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between EBAY and EFX?
The EBAY/EFX correlation stands at 0.36 on a 3-year window (1 year: 0.41, 5 years: 0.49), computed from weekly returns as of 2026-08-27.
Is EFX a good diversifier for EBAY?
A fair diversifier. At 0.36, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.36 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ebay-vs-efx.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ebay-vs-efx/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: EBAY correlations · EFX correlations
