trader_roc

(PECL trader >= 0.2.0)

trader_roc — Rate of change : ((price/prevPrice)-1)*100

Description

trader_roc ( array $real [, int $timePeriod ] ) : array

Parameters

real

Array of real values.

timePeriod

Number of period. Valid range from 2 to 100000.

Return Values

Returns an array with calculated data or false on failure.