January 10^{th}, 2018
Portfolio management theory has had a lot of books written about it. However, few show how easy it can be to express the outcome of a large portfolio's total trading activity using a single mathematical equation.
I use a payoff matrix for simplicity and convenience. The outcome of a payoff matrix gives the total profit or loss of a stock trading strategy: Σ(H∙ΔP). It is a simple expression and it carries a big punch.
November 9^{th}, 2017
My last article: Trading a Buy & Hold Strategy. A Game You Can Play might have had a better subtitle as:A Game You Can Win. Was made a demonstration that a well planned long-term stock trading strategy can be designed to survive and thrive for years and years. I had my preferred strategy (DEVX8) do its third walk forward, this time for almost a year. See article for details.