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Of Dollars And Data

Nick Maggiulli's data-driven essays on investing behavior.

Newsletter Investing Weekly Updated Oct 2026

About

Nick Maggiulli, who works at Ritholtz Wealth Management, writes Of Dollars and Data as a weekly essay built around a chart or dataset: what actually happens to people's returns when they try to time the market, how home prices behave over long stretches, why most investors underperform their own funds. It's personal finance and investing writing with real data behind it rather than received wisdom.

Maggiulli is good at making a statistical point land emotionally, and the newsletter has built a loyal following partly because he's candid about his own mistakes and biases. Anyone who wants investing advice grounded in historical data rather than market punditry will get a lot from it.

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