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.
market volatility
VIX on October 16: A 21.45% Rise Is Not a Stock-Market Return
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 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.
September 28 Review: Gold Fell 3.54% While Dollar Quotes Declined
The original KOSPI decline of 1.83% is corrected to 2.70%. A dated retrospective with source-linked closing observations and transparent calculations.
September 24 Review: Oil and VIX Rose, Without Evidence of a Fed Repricing
The title previously attributed the moves to Fed uncertainty without supporting policy evidence. 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.
2026-09-11 Review: Did the Gold Change Support a Record-High Claim?
Historical review through 2026-09-11: Did the Gold Change Support a Record-High Claim? Source-linked daily data, a five-observation comparison and explicit corrections.
2026-09-10 Review: How Different Were the Daily and Five-Session VIX Moves?
Historical review through 2026-09-10: How Different Were the Daily and Five-Session VIX Moves? Source-linked daily data, a five-observation comparison and explicit corrections.
2026-09-04 Review: How Did Gold Perform Beyond One Daily Quote?
Historical review through 2026-09-04: How Did Gold Perform Beyond One Daily Quote? Source-linked daily data, a five-observation comparison and explicit corrections.
2026-08-28 Review: Did the Daily Gold Move Match Its Five-Session Direction?
Historical review through 2026-08-28: Did the Daily Gold Move Match Its Five-Session Direction? Source-linked daily data, a five-observation comparison and explicit corrections.