trader_ppo

(PECL trader >= 0.2.0)

trader_ppo — Percentage Price Oscillator

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trader_ppo ( array $real [, int $fastPeriod [, int $slowPeriod [, int $mAType ]]] ) : array

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real: ��顣
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.

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Returns an array with calculated data or false on failure.