The supporting tool to identify the Trend it requires the understanding of demand and supply this is not a decision maker
Also it is a readymade analysis they are like reading a report so that we need to learn the indicator first they might work in trending or non trending range it has 2 types
Moving Average and
RSI ( Relative Strength Index )
Moving average used for short term gives the current price above the bullish trend works during the trend and may not work during side ways it works exceptional when the up trending it works as a magnet it works on the concept of equilibrium