Stuff That Interests Me

I keep thinking about that interview with Stanley Druckenmiller.Druckenmiller, a legend in US investing, worked with George Soros for many years, 12 of them as lead portfolio manager of Soros’s Quantum Fund, when he, among other things, spearheaded the infamous “Black Wednesday” raid on the pound in 1992 that forced the UK out of the European exchange rate mechanism (ERM). His own fund’s performance over many decades, year-in, year-out, is almost without equal.The part that really struck home with me is what he says was the key thing he learnt from Soros: “sizing”. Others might call that: how much to speculate or invest. Others: how much to risk. Others: how much of your portfolio to allocate. “Sizing is 70% to 80% of the equation. Part of the equation is seeing the investment, part of the equation is seeing myself in a good trading rhythm. It’s not whether you’re right or wrong, it’s how much you make when you’re right and how much you lose wh