trader_ppo
(PECL trader >= 0.2.0)
trader_ppo — Percentage Price Oscillator
说明
trader_ppo
( array
$real
[, int $fastPeriod
[, int $slowPeriod
[, int $mAType
]]] ) : array
参数
-
real
-
浮点数数组。
-
fastPeriod
-
Number of period for the fast MA. Valid range from 2 to 100000.
-
slowPeriod
-
Number of period for the slow MA. Valid range from 2 to 100000.
-
mAType
-
Type of Moving Average. TRADER_MA_TYPE_* series of constants should be used.
返回值
Returns an array with calculated data or false on failure.