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What's New

With over 238* videos and 194* articles, IFA is dedicated to providing you with timely, data-driven information on the value of investing in index funds.

Videos

By the end of the eighteenth century, probability theory had accumulated a remarkable collection of results.

Articles

A sound evidence-based investment process needs to consider how market volatility can be used to reduce your taxes.


Vanguard Vs. Dimensional: A Practical View

Friday, August 21, 2026Mark Hebner

In this study, we compare DFA's funds to those from the investment shop that John Bogle built.

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Is a Donor Advised Fund Right for You?

Wednesday, August 19, 2026Jesse Fulton

A DAF can be a tax-efficient and less-complex tool to accomplish your philanthropic goals. Here's what to consider.

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The Minister's Manuscript | Thomas Bayes (PoP EP11)

Tuesday, August 18, 2026Claude Hebner | IFA.com

Discover the story of Thomas Bayes, his groundbreaking theorem, and its profound impact on probability theory and modern investing.

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Can AI Pick Winning Mutual Funds? What a Coding Error Revealed

Monday, August 17, 2026Robin Powell

A study once claimed machine learning could pick winning mutual funds. It turned out the model had accidentally been given a preview of the future — take that away, and the result vanishes. Professional investment consultants have not consistently demonstrated an ability to spot winning fund managers in advance, and

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The Logarithm of Wealth | Daniel Bernoulli (PoP EP10)

Monday, August 10, 2026Claude Hebner | IFA.com

Learn why infinite expected value doesn’t hold up in real life, and how Bernoulli's utility theory reshaped probability and rational decision-making.

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Beware the Growth Story Trap

Thursday, August 13, 2026IFA.com

Investors are naturally drawn to companies that are expanding rapidly. New factories, bold acquisitions... Surely these are the companies that will deliver the best returns. Actually, the evidence suggests the opposite.

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Pioneers of Probability: Thomas Bayes

Thursday, August 6, 2026IFA.com

Imagine you visit a doctor. She runs a test for a rare disease, one that affects one person in a thousand.

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The Siren Songs of Active Management

Wednesday, August 5, 2026IFA.com

Investors need to tie themselves to the mast to avoid the daily temptations to get rich quick in the market.

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IFA Charts: Fama French Five-Factor Model

Tuesday, August 4, 2026IFA.com

What actually explains differences in stock returns over the long run? Not headlines. Not hunches. Data.

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2026 Q2 Market Review: Town Hall Edition

Monday, July 27, 2026IFA.com

Mark Hebner and Wes Long talk to Apollo Lupescu about various topics in a town hall format in this 2026 Q2 Market Review.

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