trader_rocr100

(PECL trader >= 0.2.0)

trader_rocr100 — Rate of change ratio 100 scale: (price/prevPrice)*100

說(shuō)明

trader_rocr100(array $real, int $timePeriod = ?): array

參數(shù)

real

浮點(diǎn)數(shù)數(shù)組。

timePeriod

Number of period. Valid range from 2 to 100000.

返回值

Returns an array with calculated data or false on failure.