trader_sar

(PECL trader >= 0.2.0)

trader_sar — Parabolic SAR

说明

trader_sar ( array $high , array $low [, float $acceleration [, float $maximum ]] ) : array

参数

high

高价，浮点数数组。

low

低价，浮点数数组。

acceleration

Acceleration Factor used up to the Maximum value. Valid range from 0 to TRADER_REAL_MAX.

maximum

Acceleration Factor Maximum value. Valid range from 0 to TRADER_REAL_MAX.

返回值

Returns an array with calculated data or false on failure.