If you are here to make a quick buck, skip this post and go play craps. If you are here to understand what is going on behind the bitcoin market by analyzing price and volume side by side, read on. Today, we are going to learn and analyze a volume indicator called "on balance volume". This indicator measures the buying and selling pressure of a market. It is always important to understand volume together with price, and hence this is a valuable indicator. There is a concept explained section for those of you catching up. Before reading further, I want to disclaim you that no indicator work 100% of the time, this is simply another tool in your toolbox of technical analysis.