EFA vs KEP: Correlation
How closely do iShares MSCI EAFE ETF (EFA) and Korea Electric Power Corporation (KEP) trade together? Their weekly returns over three years give a correlation of 0.46, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EFA and KEP?
Across a 3-year window, the weekly returns of EFA and KEP correlate at 0.46, moderate. The relationship has been stable: the 1-year correlation (0.50) sits close to the 3-year figure. Stretching to 5 years gives 0.43, with an annualized covariance of 292.0 %².
Among the 109 assets we track against EFA, KEP ranks #93 by 3-year correlation. Correlation aside, the last 12 months split them widely, with EFA ahead by 32.8 points (+21.9% versus -10.9%). Risk is not evenly split, since KEP carries 2.9 times the volatility of the other side.
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.
EFA vs KEP: side by side
| EFA (iShares MSCI EAFE ETF) | KEP (Korea Electric Power Corporation) | |
|---|---|---|
| 1-year return | +21.9% | -10.9% |
| 5-year return | +56.7% | +18.4% |
| Volatility (ann.) | 14.9% | 43.0% |
| Beta vs S&P 500 | 0.77 | 0.89 |
| Max drawdown (3Y) | -14.1% | -51.9% |
| Market cap | – | $15.3B |
| P/E (trailing) | – | 2.8 |
| Dividend yield | 3.19% | 12598.04% |
| Expense ratio | 0.32% | – |
| Assets under management | $78.0B | – |
| Sector / category | ETF · International | US Listed |
On the fund side, EFA sits in the Foreign Large Blend category at iShares, with $78.0B under management, 666 holdings, a 0.32% expense ratio, a 3.19% trailing dividend yield.
Year-by-year returns
| Year | EFA | KEP |
|---|---|---|
| 2022 | -14.4% | -5.5% |
| 2023 | +18.4% | -16.1% |
| 2024 | +3.5% | -4.0% |
| 2025 | +31.5% | +139.8% |
| 2026 | +14.3% | -27.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EFA and KEP good diversifiers for each other?
A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between EFA and KEP?
The EFA/KEP correlation stands at 0.46 on a 3-year window (1 year: 0.50, 5 years: 0.43), computed from weekly returns as of 2026-08-27.
Is KEP a good diversifier for EFA?
A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.46 mean?
A reading of 0.46 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/efa-vs-kep.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/efa-vs-kep/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: EFA correlations · KEP correlations
