获取单个标的的多个字段历史数据

attribute_history(
    security,
    count,
    unit="1d",
    fields=None,
    skip_paused=True,
    df=True,
    fq="pre",
)

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示例：

hist = attribute_history("000001.SZ", 5, "1d", ["open", "close", "volume"])
ma5 = hist["close"].mean()

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