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.
James Yoo
September 21 Review: Stocks Rose as WTI Fell 4.51%
The original KOSPI gain of 4.35% is corrected to 1.65%. A dated retrospective with source-linked closing observations and transparent calculations.
September 18 Review: US Stocks Gained Modestly; Capital Flows Remain Unmeasured
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.
September 18 Review: US Yield Rise Does Not Prove a Global Bond Selloff
The original US equity returns are corrected to S&P 500 plus 0.17% and Nasdaq plus 0.39%. A dated retrospective with source-linked closing observations and transparent calculations.
2026-09-18 Review: Was the Five-Percent Yield a Daily Move or a Level?
Historical review through 2026-09-18: Was the Five-Percent Yield a Daily Move or a Level? Source-linked daily data, a five-observation comparison and explicit corrections.
September 17 Review: KOSPI Slipped 0.04%, Rather Than Setting a New Daily High
The previous article described a 1.33% KOSPI gain and a fresh record. A dated retrospective with source-linked closing observations and transparent calculations.
2026-09-16 Review: How Did the Won and Yen Comparisons Differ?
Historical review through 2026-09-16: How Did the Won and Yen Comparisons Differ? Source-linked daily data, a five-observation comparison and explicit corrections.
2026-09-15 Review: How Large Was the Oil Move Relative to Five Sessions?
Historical review through 2026-09-15: How Large Was the Oil Move Relative to Five Sessions? Source-linked daily data, a five-observation comparison and explicit corrections.
2026-09-14 Review: How Large Was the Corrected Korean Decline?
Historical review through 2026-09-14: How Large Was the Corrected Korean Decline? Source-linked daily data, a five-observation comparison and explicit corrections.
2026-09-11 Review: Which Global Inputs Were Actually Measured for Europe?
Historical review through 2026-09-11: Which Global Inputs Were Actually Measured for Europe? Source-linked daily data, a five-observation comparison and explicit corrections.