Archive - Finance Foundry

Choosing an AI Model for Investment Research

How to pick the right AI model for each step of your research process

Sep 9 • Finance Foundry

How I Borrowed at Institutional Rates to Invest in Stocks

On box spreads, geometric returns, and knowing your breaking point

Sep 1 • Finance Foundry

August 2026

Is AI Really Disrupting Software? Part 1: Adobe

The AI-disruption story has eaten the multiple faster than it's eaten the business

Aug 25 • Finance Foundry

Where AI Valuations Actually Break Down

A look at hyperscale financing, circular earnings, and where the real risk is hiding

Aug 18 • Finance Foundry

Introducing my PAL: The Portfolio Allocation Lab

What building an AI portfolio tool taught me about risk, diversification, and my own bad habits.

Aug 11 • Finance Foundry

So You Want to Be the Next Warren Buffett

His returns have tracked the S&P 500 for 20 years. Here's who to study instead.

Aug 4 • Finance Foundry

July 2026

Alpha Might Be Bigfoot, but I'm Going to Hunt It Anyway

Skill is likely to persist, but luck is ephemeral

Jul 28 • Finance Foundry

How AI Breaks the Business of Wall Street

Equity research only has one competitive moat left, and it isn’t research

Jul 21 • Finance Foundry

The Stock Market Was Strange for the Last Ten Years

Dissecting what happened, and what it means for what comes next

Jul 14 • Finance Foundry

Using Claude Fable 5 to Analyze My Investment Portfolio

Anthropic just re-released its most capable model. I used it to analyze my own portfolio, and the results were a mix of useful and frustrating

Jul 7 • Finance Foundry

June 2026

AI Will Agree With Whatever You've Already Decided

Why a tool with no conviction can't help you find what the market got wrong.

Jun 30 • Finance Foundry

Picking Stocks is a Second Job, and Most People Work it for Free

An honest look at whether stock picking is worth your time.

Jun 23 • Finance Foundry

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