PHP Manual
Trader 函数
Average True Range

trader_atr

(PECL trader >= 0.2.0)

trader_atr — Average True Range

说明

trader_atr ( array $high , array $low , array $close [, int $timePeriod ] ) : array

参数

high: 高价，浮点数数组。
low: 低价，浮点数数组。
close: 收盘价，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.

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