The highest level of trading

How to distinguish between "noise" and "signal" in the trading field, and extract truly valuable information?

The financial market is flooded with a lot of information all the time, how can we extract something of real value from this information?

What kind of system can accurately locate support resistance and trend when doing transactions?

What is the essence of trading profit?

How to understand the phrase "the simpler the trading system, the better"?

What is the degree of simplicity here? Or the simplicity here is not what I thought, just use a few indicators, so what do you think of this sentence?

How to determine whether your trading style is short-term or long-term?