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Personal Finance

All Weather Portfolio Lab

Roger Nusbaum recently published an excellent piece. And, in the spirit of efficient markets, I’ve decided to steal his title as well. While Roger focused on how to size alternative assets, I believe that’s a secondary concern. The data suggests Read more

By TheItalianLeatherSofa, 7 daysJanuary 16, 2026 ago
Personal Finance

The Cost of Certainty

Someone recently wrote the following on my podcast SubReddit (I will just report an extract of the relevant part): I set myself a clear goal: to reach around €1 million in assets within 12–13 years. The million is not a Read more

By TheItalianLeatherSofa, 2 weeksJanuary 10, 2026 ago
Personal Finance

Model Portfolio Quarterly Update

n April 2022, I introduced on this blog The Italian Leather Sofa Model Portfolio. As a reminder, here is the portfolio composition: The idea behind the portfolio is stolen from here. The link offers the best explanation of what I think Read more

By TheItalianLeatherSofa, 3 weeksJanuary 1, 2026 ago
Personal Finance

Ergodicity Economics

The above tweet popped up on my feed by chance and…once you go down the Ole Peters rabbit hole, there’s no coming back. You start realising once again the power of ergodicity in explaining things around us. The reason this Read more

By TheItalianLeatherSofa, 1 monthDecember 23, 2025 ago
Personal Finance

Lack of discERNment

So, Big ERN drops this post the other day and my phone immediately lights up. Three different guys send it to me within minutes of each other. And honestly? This is exactly why I write this blog. This is the Read more

By TheItalianLeatherSofa, 1 monthDecember 14, 2025 ago
Personal Finance

I am Sick of It

Matt Sperling used to run a monthly blog called like this and I loved it. It sounds harsher than it is, probably I should have called this post things that popped onto my radar, as Niels from TopTradersUnplugged would put Read more

By TheItalianLeatherSofa, 2 monthsDecember 6, 2025 ago
Personal Finance

The Toilet Paper Portfolio

I read a lot of financial Twitter (lately even football Twitter. The real one. The one played with…you guess…feet, not hands). Most of it is noise. Some of it is signal. And occasionally, you see a debate that makes you Read more

By TheItalianLeatherSofa, 2 monthsNovember 28, 2025 ago
Personal Finance

Can You Actually Replicate Private Equity Returns? MSCI Says Yes (Maybe)

A reader hit me up last week about something that triggered my BS detector: MSCI built a “Private Equity replicator” index, and Goldman Sachs wrapped it in an ETF, ticker GTPE. Here we go again, I thought. Another product to Read more

By TheItalianLeatherSofa, 2 monthsNovember 12, 2025 ago
Personal Finance

The Diversification Trap

Almost two years ago, I wrote about why diversification isn’t a free lunch. Now, I’m watching everyone pile into gold, and I need to say something. Me that four years ago, inspired by PortfolioCharts, wrote this about gold. But that Read more

By TheItalianLeatherSofa, 3 monthsNovember 5, 2025 ago
Personal Finance

Stacking, Diversifiers and Responders

A very kind reader sent me the link to a paper aimed to show the wonders this portfolio: The portfolio for the apocalypse 😉 Simple and systematic. While there isn’t much to say about the portfolio first two component, I Read more

By TheItalianLeatherSofa, 3 monthsOctober 28, 2025 ago

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