# 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.

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