trader_minus_dm

(PECL trader >= 0.2.0)

trader_minus_dm — Minus Directional Movement

说明

array trader_minus_dm ( array $high , array $low [, integer $timePeriod ] )

参数

high

高价，浮点数数组。

low

低价，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.