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trader_bbands

(PECL trader >= 0.2.0)

trader_bbandsBollinger Bands

Açıklama

trader_bbands ( array $real , int $timePeriod = ? , float $nbDevUp = ? , float $nbDevDn = ? , int $mAType = ? ) : array

Değiştirgeler

real

Array of real values.

timePeriod

Number of period. Valid range from 2 to 100000.

nbDevUp

Deviation multiplier for upper band. Valid range from TRADER_REAL_MIN to TRADER_REAL_MAX.

nbDevDn

Deviation multiplier for lower band. Valid range from TRADER_REAL_MIN to TRADER_REAL_MAX.

mAType

Type of Moving Average. TRADER_MA_TYPE_* series of constants should be used.

Dönen Değerler

Returns an array with calculated data or false on failure.

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