Optactic is Completely Free

I have converted the Option strategy app ‘Optactic’ to a freemium model. User will have access to all the strategies and can create up to 3 strategies. It also contains an exciting new feature called Strategy Ranking. User can rank all the strategies by risk (greeks), or by profits based on stock price movement. TheContinue reading “Optactic is Completely Free”

Change of Direction for My blogs

This site (derekgu.com) will no longer just talk about Investing and Options topics. This site will become more of my personal blog site. For any subscribers who like to continue to receive financial blogs please join the optactic.com . Finance is just part of my hobbies. In fact, my true passion is in game development,Continue reading “Change of Direction for My blogs”

Optactic is released on iOS

I’m excited to announce that Optactic and Optactic Lite are released on Apple app store. Optactic Lite is a smaller trial version with 7 common strategies. The full version contains more than 35 strategies. You can find both at the following links https://apps.apple.com/tt/app/optactic/id1574506138 https://apps.apple.com/us/app/optactic-lite/id1578428963 Optactic is a simple but very powerful tool to build andContinue reading “Optactic is released on iOS”

Algorithmic Trading in a Nutshell

In the simplest terms, algorithmic trading is using computer to make trading decisions in fully or semi automatic ways. There are several parts. Data Collection: collecting historical stock price, fundamental data, and any data that’s useful for prediction. Put these data in a database for backtesting, or feed straight into the prediction algorithm for realContinue reading “Algorithmic Trading in a Nutshell”

Best Investment Books I Ever Read

I read hundreds of investment / trading books in my 20 years of trading history. Some are very useful, most of them are useless. Here are the useful ones I highly recommend. The Intelligent Investor by Benjamin Graham I’m guilty of putting this book down after reading the first chapter 5 years ago. Man, howContinue reading “Best Investment Books I Ever Read”

How I Trade the Earning Releases

All publicly traded companies have to report their earnings each quarter. With their earning reports, come earning surprises sometimes, and the stock price can jump violently after the earning report is released, either up or down with no guarantee. The uncertainties surrounding these reports provides a perfect environment for plenty speculative plays. The beginner mightContinue reading “How I Trade the Earning Releases”

A Long and Frustrating Journey

I was introduced to stocks when I was studying for my Computer Science degrees almost 20 years ago. I also had my first terrible loss in stock market in that year. As an engineer, I was trained that no problem is unsolvable, and with enough time and dedication, they can be solved. Hence, I haveContinue reading “A Long and Frustrating Journey”