KOSPI · August 1, 2025
The day the tariffs actually took effect
-3.88%
single-day change vs previous close
Part of a longer stretch
Five months past the tariff shock
near the end of it · 2025-04-09 → 2025-09-10, +44.51% over the whole period
What happened that day?
- The KOSPI fell 3.88% on the day
- The tariffs deferred by ninety days in April were now taking effect. The pause was over and outcomes differed country by country
- US jobs data the same day came in far weaker than expected, with the previous months revised down as well
- Read together as tariffs beginning to show up in prices and employment, the two pieces of news pushed the same way
- The fall was brief, though. Demand for memory was strong enough to cover the tariff burden
- The KOSPI rose further from here and made the high of this advance in September
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.