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The Traveler Who Changed How the World Counts - Pioneers of Probability: Leonardo FibonacciHe went by at least three nam...
06/02/2026

The Traveler Who Changed How the World Counts - Pioneers of Probability: Leonardo Fibonacci

He went by at least three names. Leonardo Pisano, because he was born in Pisa. Leonardo Bigollo, a nickname that may have meant either "the traveler" or, depending on who was using it, something closer to "the good-for-nothing." And Fibonacci, the name history settled on. This is how Leonardo Fibonacci changed how the world counts in episode one of our 18 part series entitled the Pioneers of Probability. https://www.ifa.com/articles/traveler_changed_world_counts

This is for informational purposes only, not financial advice. Linked content is not a guarantee of future results.

06/01/2026

Pioneers of Probability: Pierre de Fermat

It's the summer of 1654. Two mathematicians in France are exchanging letters about a gambling problem.

One is Blaise Pascal — young, brilliant, already famous. The other is Pierre de Fermat — a magistrate in Toulouse, a lawyer by profession, a mathematician by pure obsession. He holds no university position. He publishes almost nothing. Mathematics is, technically, his hobby.

Together, over a handful of letters written that summer, they will lay the foundations for a new branch of science.

You may know Fermat's name from a different story — the margin note he left in a copy of Arithmetica, claiming a proof he never wrote down, that kept mathematicians searching for 350 years. That story is real. But it isn't this one.

This one is about a question that had frustrated gamblers, merchants, and mathematicians for centuries before Fermat sat down to answer it.

Welcome to Pioneers of Probability. https://www.ifa.com/videos/pioneers-of-probability-pierre-de-fermat

05/19/2026

"I'll invest when things settle down." It's one of the most common plans in finance — and can be one of the most expensive. Here's what the waiting actually costs.



For informational purposes only. Not investment advice.

05/14/2026

Your savings account balance doesn’t drop — which is why it feels safe. But there's a risk most people don't see until it can cost them.



For informational purposes only. Not investment advice.

05/14/2026

Pioneers of Probability: Leonardo Fibonacci

It's the year 1200. You're a merchant in Pisa, one of the busiest Ports in the Mediterranean. You need to split a shipment of pepper between three buyers, convert Florentine coins to Genoese pounds, and calculate your profit before the tide turns. Your tools? Roman Numerals. https://www.ifa.com/videos/pioneers-of-probability-leonardo-fibonacci

DISCLOSURES:

This video is for informational and educational purposes only and does not constitute a solicitation or recommendation to buy or sell any security.

The historical and mathematical concepts discussed are intended to illustrate the development of probability theory and its relevance to investing. Past performance is not indicative of future results.

All investing involves risk, including the possible loss of principal. The S&P 500 return data cited reflects a specific historical period (1926-2026) with dividends reinvested and does not account for taxes, fees, or inflation; it should not be interpreted as a forecast of future returns.

The examples provided are hypothetical and based on historical index data, not an actual investment. Index returns do not reflect the performance of any actual portfolio or the deduction of advisory fees.

Content is AI assisted.

Index Fund Advisors, Inc. is a registered investment adviser. For additional information, please visit adviserinfo.sec.gov or www.ifa.com.

05/12/2026

Alternative investments often come with higher fees, longer lock-ups, and an air of exclusivity. But when researchers looked at the actual returns, the VIP section looked surprisingly familiar.



For informational purposes only. Not investment advice.

05/07/2026

Hedge funds and private equity feel like the big leagues. But when a billion-dollar foundation reviewed its own results, the numbers were surprisingly ordinary.



For informational purposes only. Not investment advice.

05/05/2026

Market forecasters sound confident. But when researchers tracked thousands of their predictions, the results were humbling — nearly every single one of them.



For informational purposes only. Not investment advice.

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