Although this strategy has performed well in the past market, its applicability may decline with the change and development of the market. For example, with the increase of market complexity, trading strategies need to be more flexible and adaptable to cope with changing market conditions. In addition, due to the globalization of the market and the progress of trading technology, market fluctuations and trading opportunities may become more frequent and complex, requiring more efficient and intelligent trading methods.
Therefore, although the turtle trading rule has achieved remarkable success in the past, whether it is outdated depends on the changes in the market and the actual situation of traders. For some traders, this strategy is still an effective trading method, while for others, it may be necessary to adopt more flexible and adaptable trading strategies.