trader_minus_dm
(PECL trader >= 0.2.0)
trader_minus_dm — Minus Directional Movement
说明
trader_minus_dm
( array
$high
, array $low
[, int $timePeriod
] ) : array
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.