trader_rocr

    (PECL trader >= 0.2.0)

    trader_rocr — Rate of change ratio: (price/prevPrice)

    说明

    trader_rocr(array $real, int $timePeriod = ?): array

    参数

    real

    浮点数数组。

    timePeriod

    Number of period. Valid range from 2 to 100000.

    返回值

    Returns an array with calculated data or false on failure.

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