Talib
import numpy
import talib
data = numpy.random.random(100)
upper, middle, lower = talib.BBANDS(data, matype=talib.MA_T3)
Energetic Emu
import numpy
import talib
data = numpy.random.random(100)
upper, middle, lower = talib.BBANDS(data, matype=talib.MA_T3)