HVN v 1.00

//AK MACD BB
//created by Algokid , February 24,2015


study("HVN v 1.00")

length = input(10, minval=1, title="BB Periods")
dev = input(1, minval=0.0001, title="Deviations")

//MACD
fastLength = input(12, minval=1)
slowLength=input(26,minval=1)
signalLength=input(9,minval=1)
fastMA = ema(close, fastLength)
slowMA = ema(close, slowLength)
macd = fastMA - slowMA

//BollingerBands

Std = stdev(macd, length)
Upper = (Std * dev + (sma(macd, length)))
Lower = ((sma(macd, length)) - (Std * dev))


Band1 = plot(Upper, color=gray, style=line, linewidth=2,title="Upper Band")
Band2 = plot(Lower, color=gray, style=line, linewidth=2,title="lower Band")
fill(Band1, Band2, color=blue, transp=75,title="Fill")

mc = macd >= Upper ? lime:red

// Indicator

plot(macd, color=mc, style =circles,linewidth = 3)
zeroline = 0
plot(zeroline,color= orange,linewidth= 2,title="Zeroline")

//buy
barcolor(macd >Upper ? yellow:na)
//short
barcolor(macd <Lower ? aqua:na)

//needs improvments