trader_bbands

PECL trader >= 0.2.0
trader_bbands - Bollinger Bands
Manual

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.

Function trader_bbands:

  • Manual

Technical Analysis for Traders Functions

Most used PHP functions