If you want to backtest trading strategies it’s important to have good quality data. I use Norgate Data for my end of day price quotes and am very happy with the quality and service.

However, there are times when I want to scrape stock data from the web. For example, if I want to extract fundamentals or get quotes for a stock that’s not covered in my Norgate subscription.

In this article I will show you how you can scrape stock data from Finviz and Google straight into a Google spreadsheet. This is incredibly easy and it’s free. Read more »


The uptick rule is a short selling restriction that says you can only short sell a stock on an uptick. In other words, you must wait for a stock to trade a tick higher before you can short it.

This rule was first introduced in 1938 to promote market stability and investor confidence. However, the rule has always had critics and was pulled shortly before the financial crisis in 2007. Read more »


Filling the gap is a popular strategy where you buy a stock when it gaps down in the morning and then wait for it to fill the gap.

Many bloggers have written about how good this strategy is. However, there usually isn’t much evidence to support those claims.

I test the strategy on 20 Nasdaq stocks between 2008-2018 and find mixed results after transaction costs. Read more »