Analysis
Survivorship bias in fund data: how big, and how to check
Databases of existing funds answer a question nobody asked — how did the survivors do — and the gap is measured in percentage points.
Author
Sofia Lindqvist
Independent editorial contributor covering investment strategy and financial modeling for VUGA Network publications.
Articles by Sofia Lindqvist
Economy
Why the unemployment rate and payrolls can tell opposite stories
One number comes from a survey of households, the other from a survey of establishments — different frames, different failure modes.
Markets
What does the VIX futures curve actually show?
Contango and backwardation describe the term structure of volatility prices — a measurable shape, not a market call.
Finance News
FOMC holds at 3.50 to 3.75 percent as first dissents of 2026 arrive
The January 28 statement passed with two members favoring a cut — the year begins with a hold and a widening argument.
Analysis
Why random cross-validation breaks on financial time series
Shuffled folds leak the future into the past — and the leak is large enough to turn noise into apparent skill.