trader_roc
trader_rocr100
Trader 関数
PHP Manual

# trader_rocp

(PECL trader >= 0.2.0)

trader_rocp — Rate of change Percentage: (price-prevPrice)/prevPrice

### 説明

array trader_rocp ( array `$real` [, integer `$timePeriod` ] )

### パラメータ

`real`

  実数値の配列

`timePeriod`

  Number of period. Valid range from 2 to 100000.

### 返り値

Returns an array with calculated data or false on failure.

trader_roc
trader_rocr100
Trader 関数
PHP Manual