BL vs SKM: Correlation
Measured on weekly returns over the past three years, BlackLine, Inc. (BL) and SK Telecom Co., Ltd. (SKM) carry a correlation of -0.29, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BL and SKM?
Over the past 3 years, BL and SKM moved with a correlation of -0.29, which is negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.54) runs below the 3-year figure (-0.29). Over 5 years the correlation is -0.15, and the annualized covariance of weekly returns is -369.5 %².
Among the 15 assets we track against BL, SKM sits near the bottom by co-movement, at rank #14. Their recent paths diverged sharply: over the last 12 months SKM outperformed by 118.4 percentage points (-38.3% for BL against +80.1% for SKM).
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.
BL vs SKM: side by side
| BL (BlackLine, Inc.) | SKM (SK Telecom Co., Ltd.) | |
|---|---|---|
| 1-year return | -38.3% | +80.1% |
| 5-year return | -69.6% | +83.7% |
| Volatility (ann.) | 40.7% | 31.3% |
| Beta vs S&P 500 | 0.83 | 0.32 |
| Max drawdown (3Y) | -63.2% | -35.6% |
| Market cap | $2.0B | $15.2B |
| P/E (trailing) | 60.2 | 29.0 |
| Dividend yield | 0.00% | 4170.85% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BL | SKM |
|---|---|---|
| 2022 | -35.0% | -17.8% |
| 2023 | -7.2% | +11.6% |
| 2024 | -2.7% | +2.9% |
| 2025 | -9.0% | +1.0% |
| 2026 | -39.0% | +92.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BL and SKM good diversifiers for each other?
Yes: at -0.29, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BL and SKM?
The BL/SKM correlation stands at -0.29 on a 3-year window (1 year: -0.54, 5 years: -0.15), computed from weekly returns as of 2026-08-27.
Is SKM a good diversifier for BL?
Yes: at -0.29, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.29 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/bl-vs-skm.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bl-vs-skm/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BL correlations · SKM correlations
