Specialized funds arrive with a compelling story and a clearly defined theme. Researchers tracked how they performed over their first five years and found a consistent pattern. For informational purposes only. Not investment advice #Investing #FinancialEducation #PersonalFinance

Models make uncertainty feel manageable. One of finance's most thoughtful historians offers a reminder about the thing they can never quite account for. For informational purposes only. Not investment advice. #Investing #FinancialEducation #BehavioralFinance

Pioneers of Probability: Simeon Denis Poisson In the Prussian army in the late nineteenth century, soldiers were occasionally killed by horse kicks — rare, but across a large army over many years, it happened with a certain regularity. A statistician named Ladislaus Bortkiewicz collected the data. Over twenty years, across fourteen cavalry corps, he recorded every death by horse kick. The numbers were sparse — many units recorded zero deaths in a given year, some one, a few two, very rarely three or more. He fit the data to a mathematical model developed sixty years earlier by a French mathematician named Siméon Denis Poisson. The fit was remarkably close. That dataset became one of the most famous in the history of statistics — not because horse kicks matter, but because it demonstrated something profound: Rare, random, independent events follow a precise and predictable mathematical pattern. And that pattern governs far more of the world than anyone had imagined. Welcome to Pioneers of Probability with me, Mark Hebner ifa.com/videos/pioneers-of-p… Disclosure: 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. Content is AI-assisted. Index Fund Advisors, Inc. is a registered investment adviser. For additional information, please visit adviserinfo.sec.gov or ifa.com.

Bubbles are usually explained with charts and valuations. One writer on the psychology of money describes them as something far more human — and far more contagious. For informational purposes only. Not investment advice. #BehavioralFinance #Investing #FinancialEducation

There's a quiet assumption that financial success belongs to the clever. One long-time personal finance writer points somewhere far more ordinary — and far more repeatable. For informational purposes only. Not investment advice. #PersonalFinance #FinancialEducation #BehavioralFinance

Investors spend enormous energy on where to put their money. One veteran argues that a far less interesting decision matters more than any of it. For informational purposes only. Not investment advice. #PersonalFinance #FinancialPlanning #Investing

How Do You Find the Truth in Messy Data? In 1801 an astronomer found a new point of light in the sky, then lost it. Solving that problem produced a piece of math that investors still depend on today. #Investing #FinancialEducation #PersonalFinance For informational purposes only. Not investment advice

Pioneers of Probability: Carl Friedrich Gauss In the last episode, Legendre gave science its most powerful practical tool for fitting models to noisy data. He showed how to find the line — the function — that minimizes the sum of squared errors. He proved it worked. But he did not fully explain why it was the right method rather than simply a convenient one. Why squares? Why not absolute values? Why not cubes? Why is minimizing the sum of squared errors the optimal strategy rather than just the simplest? The answer required understanding something deeper about the nature of measurement error itself. It required asking: if you measure the same quantity many times and get slightly different results each time, what does that pattern of errors actually look like? What is its shape? A young German mathematician named Carl Friedrich Gauss had been thinking about exactly this problem since his early twenties. And the answer he found connected two of the most important ideas in the history of statistics into a single, elegant theorem. Welcome to Pioneers of Probability. ifa.com/videos/pioneers-of-p… Disclosure: 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. Content is AI-assisted. Index Fund Advisors, Inc. is a registered investment adviser. For additional information, please visit adviserinfo.sec.gov or ifa.com.

Checking your portfolio feels responsible — attentive, engaged, on top of things. One writer makes the case that the habit may be quietly working against you. For informational purposes only. Not investment advice #BehavioralFinance #PersonalFinance #LongTermInvesting

The boy who summed 1 to 100.⁠ ⁠ The story goes that a schoolboy, asked to add every number from 1 to 100, answered almost instantly. His name ended up on one of the most famous curves in science.⁠ ⁠ #Investing #FinancialEducation #PersonalFinance⁠ ⁠ For informational purposes only. Not investment advice.⁠ ⁠ Full episode on Carl Friedrich Gauss youtu.be/1jCFSfb-4v4?si=Z8Pj…⁠ ⁠ ⁠ For informational purposes only. Not investment advice. Past performance does not guarantee future results. All investing involves risk, including possible loss of principal.⁠ ⁠ Presented by an AI-generated digital avatar of Mark Hebner, founder of Index Fund Advisors. Historical scenes are dramatized.⁠ ⁠

Many people assume a good advisor earns their fee by finding the right investments. One industry veteran points to a very different source of value. For informational purposes only. Not investment advice. #FinancialPlanning #Investing #BehavioralFinance

Disclosure: It is 1801. In Palermo, Sicily. The astronomer Giuseppe Piazzi has spotted something new — a faint point of light moving against the stars. He tracks it night after night, but before he can pin down its orbit, it vanishes into the sun's glare. All he leaves behind for other astronomers is a handful of imperfect observations — each one slightly different from what any simple orbital model predicts. The measurements are real. So are the errors. Given imperfect, inconsistent data, what's the best estimate of the true orbit? This isn't a gambling problem. It's the central practical problem of quantitative science: "We have data, we have a model, and the data never fits perfectly. How do we find the curve that comes closest to the truth?" For centuries, scientists answered differently — averaging measurements, trusting the most reliable observation, or simply picking the result that fits their preferred theory. There was no agreed method, no proof that any approach was optimal. Until a French mathematician published a four-page appendix to a book about cometary orbits. Welcome to Pioneers of Probability with me Mark Hebner. ifa.com/videos/pioneers-of-p… Disclosure: 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. This video contains AI-generated content. Index Fund Advisors, Inc. is a registered investment adviser. For additional information, please visit adviserinfo.sec.gov or ifa.com.

Inferential Statistics: What 98 Years of Monthly Returns Can—and Cannot—Tell Investors 98 years of market data is a lot. But what can it actually tell you? In his latest article, Mark Hebner explains how inferential statistics lets us estimate long-term risk and return with far more confidence than a short track record allows. It still can't tell us what the market will do next month, or next year. The takeaway: statistics should produce humility, not certainty. More data reduces estimation error. It doesn't eliminate investment risk. Read the full article: ifa.com/articles/inferential… #InvestingEducation #IndexFunds #EvidenceBasedInvesting #Statistics #LongTermInvesting Hypothetical illustration; not the performance of an IFA Index Portfolio. Past performance does not guarantee future results.

The industry likes to express risk as a number — a score, a rating, a percentage. One of finance's great historians argues that number leaves something important out. For informational purposes only. Not investment advice. #Investing #FinancialEducation #BehavioralFinance

The bell curve is among the most useful tools in finance. It's also one of the most dangerous, and the reason shows up on the days that matter most. #Investing #FinancialEducation #MarketVolatility For informational purposes only. Not investment advice. Full episode on Carl Friedrich Gauss: youtu.be/1jCFSfb-4v4?si=Xpkr… Presented by an AI-generated digital avatar of Mark Hebner, founder of Index Fund Advisors. Historical scenes are dramatized.

John Bogle's Cost Matters Hypothesis Markets are unpredictable. Costs aren't. Bogle's Cost Matters Hypothesis comes down to simple arithmetic: market return minus costs equals what you keep. Read more on ifa.com ifa.com/articles/john_bogle_… “This is for informational purposes only, not financial advice. Linked content is not a guarantee of future results.”

It has never been so easy to trade stocks. There are now all sorts of apps and websites that allow you to buy or sell in just a few moments. But Norma Cohen, a journalist with the Financial Times for many years, says it's a worrying development. DISCLOSURES: This video is provided for informational purposes only and should not be construed as a solicitation, recommendation, or endorsement of any specific security, product, service, strategy, or individual. It should also not be considered investment, tax, or legal advice. Investing involves risks, including potential loss of principal, and there is no guarantee that any strategy will be successful. Past performance is not indicative of future results, and no investment decisions should be based solely on the content of this video. Quotations or references to third party authors, books, or public figures are provided solely for commentary and do not imply an endorsement by Index Fund Advisors, nor do they represent and endorsement of IFA by those individuals. Investors should consult a qualified financial professional for advice specific to their situation.

Private equity and alternative investments are increasingly being marketed to everyday investors as an exciting new opportunity. But what if the actual benefit is far smaller than many investors are led to believe? New research from academics at Chicago Booth and Wharton suggests that the diversification benefit of private market access may be worth only 1 to 2 basis points per year for the typical retail investor, even under highly favorable assumptions. Meanwhile, lower capital costs may provide a much larger benefit to the companies raising the money. Key takeaway: ✅Access does not automatically equal advantage. ✅Higher fees can quickly outweigh modest benefits. ✅Diversification remains important, but investors should understand what they are actually buying. ✅Evidence matters more than marketing. Before investing in private markets, ask a simple question: Who really stands to gain? Read the full article: Who Actually Gains When Private Markets Open to Retail Investors. ifa.com/articles/actually_ga… #EvidenceBasedInvesting #PrivateEquity #AlternativeInvestments #FinancialPlanning #Investing #WealthManagement #IFA #FiduciaryAdvice #Diversification #InvestorEducation “This is for informational purposes only, not financial advice. Linked content is not a guarantee of future results.”

Gold, real estate, bonds — each has its moment and its advocates. One market historian compared them all over long periods and reached a notably blunt conclusion. For informational purposes only. Not investment advice. #Investing #LongTermInvesting #FinancialEducation

Staying calm when markets have fallen is usually framed as an investing skill. One writer suggests the benefit of that temperament reaches well beyond your portfolio. For informational purposes only. Not investment advice. #BehavioralFinance #Investing #PersonalFinance