Global Invest Daily — Geopolitics, Markets & Portfolio Signals

How to Read Daily Market Returns Without Mixing Trading Sessions

October 21, 2026 by James Yoo

Learn to calculate daily market returns, label trading sessions, distinguish yield changes and avoid mixing intraday quotes with completed closes.

October 16 Market Review: KOSPI Rises as US Stocks Slip

October 21, 2026October 19, 2026 by James Yoo

Fed Watch: 10-Year at 5.10% as Nasdaq Falls 2.07% and VIX Jumps

A corrected review of October 16 completed sessions: KOSPI gained 2.05%, US equities declined, and VIX rose. Sources, dates and limits of the comparison.

KOSPI and the Won on October 16: What the Corrected Data Show

October 22, 2026October 18, 2026 by James Yoo

KOSPI Drops 5.67% as Won Firms: Korea's Export Cycle Under Scrutiny

Corrected October 16 data show KOSPI up 2.05% and USD/KRW up 0.12%. Why trading windows matter before drawing export or capital-flow conclusions.

VIX on October 16: A 21.45% Rise Is Not a Stock-Market Return

October 22, 2026October 17, 2026 by James Yoo

Vol Wakes Up: KOSPI Slides, 10Y at 5.1%, Gold Holds Near $4,180

VIX rose from 16.46 to 19.99 on October 16. A corrected review separates volatility-index changes, equity returns and regional trading sessions.

October 15 Market Review: Oil Rises While US and Korean Stocks Diverge

October 22, 2026October 16, 2026 by James Yoo

Houthi Missiles on Aden, WTI Near $96, and a Rattled Kospi

The original article reported a 7.97% KOSPI fall. A dated retrospective with source-linked closing observations and transparent calculations.

October 14 Market Review: KOSPI Falls 0.44%, Not 5.88%

October 22, 2026October 15, 2026 by James Yoo

KOSPI's 5.88% Drop Tests the EM Story as Oil and Yields Climb

The original 5.88% KOSPI decline used an incorrect comparison baseline. A dated retrospective with source-linked closing observations and transparent calculations.

October 13 Market Review: What Oil and US Yields Can Tell Us About Europe

October 22, 2026October 14, 2026 by James Yoo

Europe's Energy Bill and a 5.22% US 10-Year Test the ECB

The original KOSPI decline of 8.91% is corrected to 5.46%. A dated retrospective with source-linked closing observations and transparent calculations.

October 12 Market Review: A 5.240% Yield Does Not Establish the Fed Outlook

October 22, 2026October 13, 2026 by James Yoo

10-Year at 5.24%: Equities Hold Firm as the Fed Waits

The original KOSPI decline of 6.17% is corrected to 3.65%. A dated retrospective with source-linked closing observations and transparent calculations.

Weekend Market Data: Why October 12’s KOSPI Snapshot Was Not a New Fall

October 22, 2026October 12, 2026 by James Yoo

KOSPI Falls 4.54% to 6,625.93 While the Won Barely Moves

The original article treated an October 8 Korean close as a fresh 4.54% decline. A dated retrospective with source-linked closing observations and transparent calculations.

October 9 Review: Gold and US Stocks Rose, With an Older Korean Close

October 22, 2026October 11, 2026 by James Yoo

Gold Climbs, VIX Stays Calm, and KOSPI Falls 4.5%

The original KOSPI decline of 4.54% is corrected to 2.62% for October 8. A dated retrospective with source-linked closing observations and transparent calculations.