trader_rocr100

(PECL trader >= 0.2.0)

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

说明

trader_rocr100(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.