Ichimoku Cloud Strategy

// This Pine Script™ code is subject to the terms of the Mozilla Public License 2.0
// © TradingTools

//@version=5
strategy("Ichimoku Cloud Strategy", overlay=true, default_qty_type=strategy.percent_of_equity, default_qty_value=100)

// ─── Inputs ───
tenkanLen       = input.int(9, "Tenkan-Sen (Conversion)", group="Ichimoku")
kijunLen        = input.int(26, "Kijun-Sen (Base)", group="Ichimoku")
senkouBLen      = input.int(52, "Senkou Span B", group="Ichimoku")
displacement    = input.int(26, "Cloud Displacement", group="Ichimoku")
useTKCross      = input.bool(true, "Use TK Cross Entry", group="Entry Mode")
useCloudBreak   = input.bool(true, "Use Cloud Breakout Entry", group="Entry Mode")
useChikouConf   = input.bool(true, "Require Chikou Confirmation", group="Filters")
atrLength       = input.int(14, "ATR Length", group="Risk Management")
atrMult         = input.float(2.0, "ATR Multiplier for SL", step=0.1, group="Risk Management")
trailAtrMult    = input.float(3.0, "Trailing Stop ATR Mult", step=0.1, group="Risk Management")

// ─── Ichimoku Components ───
tenkan  = (ta.highest(high, tenkanLen) + ta.lowest(low, tenkanLen)) / 2
kijun   = (ta.highest(high, kijunLen) + ta.lowest(low, kijunLen)) / 2
senkouA = (tenkan + kijun) / 2
senkouB = (ta.highest(high, senkouBLen) + ta.lowest(low, senkouBLen)) / 2

// Current cloud (for position relative to cloud)
cloudTop    = math.max(senkouA[displacement], senkouB[displacement])
cloudBottom = math.min(senkouA[displacement], senkouB[displacement])

// Chikou Span (close plotted 26 bars back — compare current close to price 26 bars ago)
chikouBull = close > close[displacement]
chikouBear = close < close[displacement]

// ─── ATR ───
atrVal = ta.atr(atrLength)

// ─── Conditions ───
aboveCloud = close > cloudTop
belowCloud = close < cloudBottom

tkCrossLong  = ta.crossover(tenkan, kijun)
tkCrossShort = ta.crossunder(tenkan, kijun)

cloudBreakLong  = ta.crossover(close, cloudTop)
cloudBreakShort = ta.crossunder(close, cloudBottom)

chikouOK_long  = useChikouConf ? chikouBull : true
chikouOK_short = useChikouConf ? chikouBear : true

// ─── Entry ───
longTK    = useTKCross and tkCrossLong and aboveCloud and chikouOK_long
longCloud = useCloudBreak and cloudBreakLong and tenkan > kijun and chikouOK_long

shortTK    = useTKCross and tkCrossShort and belowCloud and chikouOK_short
shortCloud = useCloudBreak and cloudBreakShort and tenkan < kijun and chikouOK_short

longCondition  = longTK or longCloud
shortCondition = shortTK or shortCloud

// ─── Execute Trades ───
if longCondition and strategy.position_size <= 0
    sl = close - atrVal * atrMult
    strategy.entry("Ichi Long", strategy.long)
    strategy.exit("Ichi Long Exit", "Ichi Long", stop=sl, trail_offset=atrVal * trailAtrMult, trail_points=atrVal * trailAtrMult)

if shortCondition and strategy.position_size >= 0
    sl = close + atrVal * atrMult
    strategy.entry("Ichi Short", strategy.short)
    strategy.exit("Ichi Short Exit", "Ichi Short", stop=sl, trail_offset=atrVal * trailAtrMult, trail_points=atrVal * trailAtrMult)

// ─── Exit on Opposite TK Cross ───
if strategy.position_size > 0 and tkCrossShort
    strategy.close("Ichi Long", comment="TK Cross Exit")
if strategy.position_size < 0 and tkCrossLong
    strategy.close("Ichi Short", comment="TK Cross Exit")

// ─── Plotting ───
plot(tenkan, "Tenkan-Sen", color=color.new(color.blue, 0), linewidth=1)
plot(kijun, "Kijun-Sen", color=color.new(color.red, 0), linewidth=1)

senkouAPlot = plot(senkouA, "Senkou A", offset=displacement, color=color.new(color.green, 0))
senkouBPlot = plot(senkouB, "Senkou B", offset=displacement, color=color.new(color.red, 0))
fill(senkouAPlot, senkouBPlot, color=senkouA > senkouB ? color.new(color.green, 85) : color.new(color.red, 85), title="Cloud")

plot(close, "Chikou Span", offset=-displacement, color=color.new(color.purple, 20), linewidth=1)

plotshape(longCondition, title="Long", location=location.belowbar, style=shape.triangleup, color=color.green, size=size.small)
plotshape(shortCondition, title="Short", location=location.abovebar, style=shape.triangledown, color=color.red, size=size.small)

// ─── Alerts ───
alertcondition(longCondition, title="Ichimoku Long", message="Ichimoku: Bullish signal — Long entry")
alertcondition(shortCondition, title="Ichimoku Short", message="Ichimoku: Bearish signal — Short entry")