Guide
Index funds vs. picking stocks: the math on defaulting to boring
Fees, dispersion, and the base rate for beating a total-market fund over a full decade.
Draft entry. The full analysis for this piece ships with the data pipeline; the dataset it grades against is being assembled.
Related
Investing Guide
Compound growth: the arithmetic your gut gets wrong
Doubling times, the rule of 72, and why the last decade of a 30-year plan does most of the work.
Investing Claim check Mostly true
"Your money doubles every 7 years", checked
The rule of 72 at historical index returns, tested decade by decade since 1957. True on average; wildly untrue in any given decade.
Investing Claim check False
The $997 trading course that "pays for itself", checked
We ran the course's own published trade alerts for 90 days at stated position sizes. It did not pay for itself. The math inside.