Currency return calculator
See how asset returns and exchange rates combine, with worked examples.
START HERE
Make sense of the numbers
Practical tools and guides for reading global markets. Start with a question, then explore the dated market archive below.
Read daily market returns
Compare trading sessions, closing prices and percentage changes correctly.
Understand gold drivers
Separate real yields, central-bank demand and claims that need evidence.
Understand Hormuz risk
Distinguish oil flows, bypass capacity and local-currency import costs.
Our archive includes corrected historical reviews. Read the editorial approach and correction policy for sources and limitations.
How to Read Daily Market Returns Without Mixing Trading Sessions
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
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
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.
October 15 Market Review: Oil Rises While US and Korean Stocks Diverge
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%
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
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
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
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
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.
October 8 Market Review: KOSPI Fell 2.62% as Oil Rose
The original 4.54% KOSPI decline is corrected to 2.62%. A dated retrospective with source-linked closing observations and transparent calculations.