September 22 Review: KOSPI Gained 0.15%, Not 1.79%
The original KOSPI gain of 1.79% is corrected to 0.15%. A dated retrospective with source-linked closing observations and transparent calculations.
The original KOSPI gain of 1.79% is corrected to 0.15%. A dated retrospective with source-linked closing observations and transparent calculations.
The original S&P 500 gain of 1.31% is corrected to 0.17%, and the Nasdaq gain of 2.09% to 0.39%. A dated retrospective with source-linked closing observations and transparent calculations.
The previous article described a 1.33% KOSPI gain and a fresh record. A dated retrospective with source-linked closing observations and transparent calculations.
Historical review through 2026-09-02: What Was the Recalculated Korean Loss? Source-linked daily data, a five-observation comparison and explicit corrections.
Historical review through 2026-08-14: Did Korean Performance Establish China Property Stress? Source-linked daily data, a five-observation comparison and explicit corrections.