//@version=2
study("Volume Spread Analysis", shorttitle="VSA")
//Volume Spread Analysis
//Analisis de propagacion en Volumen
// devicemxl --> TradingView Site
volumex=volume//*(close>close[1] ? 1 : -1)
V_OPEN = V_CLOSE[1]
V_CLOSE = close*volumex
V_HIGH = max(max(high*volumex,V_CLOSE),V_OPEN)
V_LOW = min(min(low*volumex,V_OPEN),V_CLOSE)
V_HL2 = ( V_HIGH + V_LOW ) / 2
senial=input(defval="HL2",title="Signal",type=string)
ploter = ( senial == "CLOSE" ) ? V_CLOSE : ( senial == "OPEN" ) ? V_OPEN : ( senial == "HL2" ) ? V_HL2 : ( senial == "HIGH" ) ? V_HIGH : ( senial == "LOW" ) ? V_LOW : 0
signal = plot(ploter, color=silver, style=circles)
plotcandle(V_LOW, V_HIGH, V_LOW, V_CLOSE, title='VSA', color = open < close ? #e5f7ff : #ffe5e5, wickcolor=black)
