Technical analysis: the possibility of technical analysis accounts for the vast majority, and there are many kinds of technical analysis (Dow theory, wave theory, Gann theory, etc. In the final analysis, technical analysis is to help investors judge what kind of trend the current market is in, and then follow the trend. Technical analysis can be summed up in eight words: go up, buy, sell and follow suit. Technical analysis may not be able to explain the causality of the market like the other two kinds of analysis.
Fundamental analysis: Any price fluctuation has its inherent reasons. Fundamental analysis is to estimate the current spot crude oil value and predict the future price trend by grasping the internal reasons. Not only that, the fundamental analysis is a macro analysis, and the result of the analysis is what will happen in N years. For example, through fundamental analysis, you can see that NZD has oversold, which should be short in theory, but don't forget that fundamental analysis doesn't tell you how far NZD will oversold and when it will fall.
Quantitative analysis: quantitative analysis is to analyze and predict what price a financial commodity will reach in the future through various mathematical models. More precisely, the purpose of quantitative analysis is to analyze how much risk is taken and how much return is reasonable, and to make the risk and return proportional through mathematical model. It can be seen that the goal pursued by quantitative analysis is to preserve capital and value, not to obtain much income. Therefore, quantitative analysis is widely used by many multinational groups and international funds.