1.Understand the issuer's business. What does the company do?
2.Fundamental analysis is a way of analyzing the potential moves of a currency through the strength or weakness of that country’s (or company, or whatever the token represents, technology etc) economic outlook.
3.Technical analysis: uses charts, indicators etc to analyze the historical price changes and growth changes to predict future movement.
4.Sentiment analysis determines whether the market is bull or bearish based on current/future fundamental outlook. Market not only reflects all economic information available, but all information available from how people “feel” about the market. If everything feels it’s a bull, this can pull the market that way, in a self-fulfilling prophecy. There are clever ways to analyze sentiment analysis.
None is most important, they all work together. Fundamental factors shape sentiment, while technical analysis helps us visualize that sentiment and apply a framework to create our trade plans.
Source: https://steemit.com/trading/@reedus/3-types-of-market-analysis-ta-fa-and-sa