Essays on portfolio risk, stock market strategy, fintech, AI, and what it actually takes to build financial software — from someone who's lived both sides.
AI stocks are powering market gains, but ETF overlap, Nvidia concentration, high valuations and leverage may leave investors less diversified than they think.
Different ETF labels can still lead back to the same stocks, making portfolios look diversified while concentration risk quietly grows underneath.
Most portfolios are far less diversified than their owners think. Here's what concentration risk really looks like and how to fix it.
Volatility is not the enemy. Mismanaging it is. Here are the strategies that actually work when markets get choppy.
The things finance textbooks can't teach you — patterns, mistakes, and what separates people who survive volatility from those who don't.
Every founder is talking about AI. Very few are thinking clearly about what it actually shifts in the product, the moat, and the business model.
A founder's honest account of the problem, the market gap, and what it's like to build a FinTech startup when you've spent 17 years on the other side of the trade.
The internet gave retail investors access to the same data as institutions. It didn't give them the frameworks to use it. Here's what's still missing.
Everything I write about — concentration, ETF overlap, hidden correlation — Guardfolio measures automatically. Connect your accounts and get a real risk read in minutes.