KOSPI ETF vs Samsung
the KOSPI ETF · Samsung Electronics — correlation 0.86
1-year rolling correlation · green together, red apartas of 2026-09-11
- +0.86normally
- +0.87in crashes
- +0.65 ~ +0.961-year range
- 1.08positions if held 50/50
Holding both is holding one
They correlate 0.86. Held half and half, that is 1.08 positions by risk — the split is in your head, not in the portfolio.
Choosing between the KOSPI ETF and Samsung Electronics may be a matter of taste. Owning both is not diversification.
Try it on your own portfolio
Opens with these two already entered. Add what you hold and the vs the rest and New columns answer whether to add one more.
Open with the KOSPI ETF · Samsung ElectronicsWeekly returns, 609 weeks since 2015, every price converted to USD. “Crashes” means the 5% of weeks the KOSPI ETF fell hardest. One sample, one window — not a promise about the future.