The Bank of Korea recently reviewed the reasons for fluctuations in the Korea Composite Stock Price Index since this year in the “September 2026 Monetary and Credit Policy Report” released. The report shows that as KOSPI continues to rise, the contribution rate of Samsung Electronics and SK Hynix to the rise in the index has increased rapidly. In particular, as KOSPI rushed from 8,000 points to 9,000 points in June this year, the two stocks contributed 99% to the increase in the index.

The Bank of Korea recently reviewed the reasons for fluctuations in the Korea Composite Stock Price Index since this year in the “September 2026 Monetary and Credit Policy Report” released. The report shows that as KOSPI continues to rise, the contribution rate of Samsung Electronics and SK Hynix to the rise in the index has increased rapidly. In particular, as KOSPI rushed from 8,000 points to 9,000 points in June this year, the two stocks contributed 99% to the increase in the index.