The moving averages used by trade analyst and YouTube star Alession Rastani. By using this script you get access to the following moving averages: 21, 55, 100 Exponential Moving Averages, and the 100 and—for good measure—the 200 Simple Moving Average. Source: Here's Exactly WHEN I am Buying Bitcoin. Alessio Rastani. Published on 8 Jun 2019.