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Latest Version [8.00202205221] Last Updated [May-22-2022]

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PHP Manual [trader_bbands]

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PHP Manual || Trader Functions

(PECL trader >= 0.2.0)

trader_bbandsBollinger Bands

Description

trader_bbands ( array $real [, int $timePeriod [, float $nbDevUp [, float $nbDevDn [, int $mAType ]]]] ) : array

Parameters

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.

Return Values

Returns an array with calculated data or false on failure.



PHP Manual || Trader Functions