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4月18日，和讯信息叶晓飞称，炒股并非分时图无用，只是一分钟形态结构走势及技术指标参考性弱、分析难度大，不适合绝大多数当下投资者。而日内30分钟K线走势更合适，一天有8根30分钟K线，其形成的趋势结构形态及指标在周期内更稳定、参考性更强，建议用好30分钟结构，无需看分时图。