The Sharpe Ratio: Measuring Weight with a Ruler

In this post, we will explore one of the most widely (mis)used performance metrics in quantitative finance and why it fails to achieve what it was designed to do.


Bayes’ Theorem and the Law of Total Probability

Bayes' theorem is immensely important, especially for avoiding the classical drug test faux pas that, according to Harvard, six out of eight medical students and 19 out of 25 attending physicians are guilty of. This post is a tool for practitioners like myself that need a quick brush up.