每次交易,不能失大。
日内从78跌到73,觉得可能有好的风险收益比,
但不确定,所以用交易试错来控制
每次交易,不能失大。
日内从78跌到73,觉得可能有好的风险收益比,
但不确定,所以用交易试错来控制
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