KEP vs USO: Correlation
How closely do Korea Electric Power Corporation (KEP) and United States Oil Fund (USO) trade together? Their weekly returns over three years give a correlation of -0.36, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KEP and USO?
Over the past 3 years, KEP and USO moved with a correlation of -0.36, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.43 lands near the 3-year figure. Over 5 years the correlation is -0.19, and the annualized covariance of weekly returns is -615.4 %².
Among the 10 assets we track against KEP, USO sits near the bottom by co-movement, at rank #10. The last year tells two different stories: USO led by 85.0 percentage points, -10.9% for KEP against +74.1% for USO.
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.
KEP vs USO: side by side
| KEP (Korea Electric Power Corporation) | USO (United States Oil Fund) | |
|---|---|---|
| 1-year return | -10.9% | +74.1% |
| 5-year return | +18.4% | +168.6% |
| Volatility (ann.) | 43.0% | 39.4% |
| Beta vs S&P 500 | 0.89 | -0.20 |
| Max drawdown (3Y) | -51.9% | -32.5% |
| Market cap | $15.3B | – |
| P/E (trailing) | 2.8 | – |
| Dividend yield | 12598.04% | – |
| Sector / category | US Listed | ETF · Commodities |
Year-by-year returns
| Year | KEP | USO |
|---|---|---|
| 2022 | -5.5% | +29.0% |
| 2023 | -16.1% | -4.9% |
| 2024 | -4.0% | +13.4% |
| 2025 | +139.8% | -8.5% |
| 2026 | -27.7% | +88.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KEP and USO good diversifiers for each other?
Yes. With a correlation of -0.36, KEP and USO have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between KEP and USO?
As of 2026-08-27, the correlation of weekly returns between KEP and USO is -0.36 over 3 years, -0.43 over 1 year and -0.19 over 5 years.
Is USO a good diversifier for KEP?
Yes. With a correlation of -0.36, KEP and USO have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.36 mean?
A reading of -0.36 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/kep-vs-uso.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/kep-vs-uso/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: KEP correlations · USO correlations
