How Reddit and Twitter became a major player in the money game — Every time you open your news feed nowadays you read about what is going on in the financial markets, how to make the right investment or what to do for your retirement or what to make during lockdown. …

Identify and avoid common mistakes — I will keep this short and simple. Always suspect all the posts you see about forecasting stock prices. It does not matter who, it does not matter where. If you do not understand it, do not follow it. Allow me to explain my reasoning. At this point I must have…

When it comes to investing, maybe is not in the dictionary. — Investment strategies are, most of the time, complicated. There is a lot of math, thinking and some human factors involved in the decision making. Nevertheless, many decision processes land in a maybe. …

In this post I will discuss the most common mistake done when performing Machine Learning tasks in time-series data. I will base my recommendations in time-series literature and personal experience as an ML researcher. Time-series data Working with time-series data is challenging and requires quite specific skills. Besides mastering Machine Learning you…

How language models came to be “Stochastic Parrots.’’ — One of the hot topics of today is how deep-learning-based models have become ubiquitous in almost all applications that involve text. Sometimes even in some places that we don’t realize. As I type this text from my mobile device, the Google keyboard keeps suggesting me new words. This is a…

Since the middle age, the stock market has been in the imaginary of many people that seek wealth and money. Even the brightest minds have joined the obscure and chaotic world of speculation. There are tales about Sir Isaac Newton making and losing the today’s equivalent to millions of US…

It is not new that science borrows techniques from several fields to make new techniques. For example, genetic algorithms borrows knowledge from Darwin’s evolution theory and biology to make an algorithm that tackles hard problems. However, I will be discussing Genetic Algorithms in another post, since they are a fascinating…

One day I was listening to a lecture given by Mr. Alan Watts. In that lecture, Mr. Watts talked about how having pleasure in life is linked to having a skill. You cannot communicate with other people without a skill. You cannot drive a car without a skill. This resonated…

Why no one asks the simple questions when it comes to stock market prediction? Why instead of trying to predict prices don’t we just predict where the price is headed to? Is this approach effective? Let’s explore the problem of predicting the market movements. The problem of predicting stock price…