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AI在量化中的作用,其实并不是简简单单地拿到OCLHV数据对其进行学习预测,其中很复杂,因为金融时间序列一个很重要的特点是,高噪音,低信噪比,很接近于随机漫步,当前股价涨跌与历史涨跌相关性很弱,你无法简单通过历史预测未来。专业的机构有特征工程来挖掘因子,因子也就是有一定概率会影响未来走势的某个计算得出的值,因子可以是传统的技术分析指标(SMA, EMA, RSI, BOLL等等),也可以是天气,自然灾害,疾病等,因为显然,外部环境会影响股票走势。AI模型的作用是将这些大量因子组成一个更复杂的信号,通过这些信号来触发买卖操作,人脑是处理不过来这些信号的,但是人脑有直觉,有盘感,其实已经隐式“计算”了。
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