Ichimoku Cloud

 //@version=3

study(title="Ichimoku Cloud", shorttitle="Ichimoku", overlay=true)

conversionPeriods = input(9, minval=1, title="Conversion Line Periods"),

basePeriods = input(26, minval=1, title="Base Line Periods")

laggingSpan2Periods = input(52, minval=1, title="Lagging Span 2 Periods"),

displacement = input(26, minval=1, title="Displacement")

donchian(len) => avg(lowest(len), highest(len))

conversionLine = donchian(conversionPeriods)

baseLine = donchian(basePeriods)

leadLine1 = avg(conversionLine, baseLine)

leadLine2 = donchian(laggingSpan2Periods)

plot(conversionLine, color=#0496ff, title="Conversion Line")

plot(baseLine, color=#991515, title="Base Line")

plot(close, offset = -displacement, color=#459915, title="Lagging Span")

p1 = plot(leadLine1, offset = displacement, color=green,

title="Lead 1")

p2 = plot(leadLine2, offset = displacement, color=red,

title="Lead 2")

fill(p1, p2, color = leadLine1 > leadLine2 ? green : red)