WhyItDropped

KOSPI · February 3, 2026

Retraced, and then some

+6.84%

single-day change vs previous close

What happened that day?

  • On 3 February 2026 the KOSPI rose 6.84% — more than it had fallen the day before
  • The two chip names simply reversed and the index went with them
  • This is the defining feature of the KOSPI in 2026. Five percent moves in a day were not unusual
  • When a handful of companies set the level, the index inherits their volatility whole
  • No single trigger can be pinned to this day
  • In this stretch the index was 4.46% below its peak
  • The same whipsaw repeated on a much larger scale in June and July

Sources

Every figure on this page is recomputed from the original daily closing prices and checked against them at build time. The account of what happened is written from the sources listed above.