2. Methods: The tactics of trend trading 123 are based on simple chart model and price momentum index, and the concepts of support line, resistance line and breakthrough point are used to determine the timing of entry and exit. This tactic is to find the turning point of the trend and trade according to the price trend and fluctuation of the market. Turtle tactics use a set of strict rules to determine the entry, stop loss and exit strategies, such as determining the buying and selling signals through moving averages and ATR indicators.