trader_bbands
(PECL trader >= 0.2.0)
trader_bbands — Bollinger Bands
Beschreibung
array
$real
,int
$timePeriod
= ?,float
$nbDevUp
= ?,float
$nbDevDn
= ?,int
$mAType
= ?): array
Parameter-Liste
-
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.
Rückgabewerte
Returns an array with calculated data or false on failure.