Ichimoku Cloud — Large Cap

// This Pine Script® code is subject to the terms of the Mozilla Public License 2.0
// Ichimoku Cloud Strategy — optimized for large-cap tech (long-only)
// Run strategy_ichimoku/tests/test_largecap.py to update default params below.

//@version=5
strategy("Ichimoku Cloud — Large Cap", shorttitle="IchimokuLC",
         overlay=true,
         initial_capital=1500,
         default_qty_type=strategy.percent_of_equity,
         default_qty_value=33,
         commission_type=strategy.commission.percent,
         commission_value=1.5,
         pyramiding=0,
         process_orders_on_close=false)

// ── Inputs ────────────────────────────────────────────────────────────────────
tenkanPeriod  = input.int(9,  "Tenkan Period",   minval=1, group="Ichimoku")
kijunPeriod   = input.int(26, "Kijun Period",    minval=1, group="Ichimoku")
senkouBPeriod = input.int(52, "Senkou B Period", minval=1, group="Ichimoku")

useCloud  = input.bool(true, "Cloud Color Filter",  group="Filters",
             tooltip="Only enter when future cloud is bullish (SpanA > SpanB)")
useChikou = input.bool(true, "Chikou Confirmation", group="Filters",
             tooltip="Only enter when close > close[kijun] bars ago")

slPct = input.float(0.0, "Stop Loss %  (0 = off)", minval=0.0, maxval=30.0, step=0.5, group="Risk")

// ── Ichimoku Calculations ─────────────────────────────────────────────────────
tenkan  = (ta.highest(high, tenkanPeriod)  + ta.lowest(low, tenkanPeriod))  / 2
kijun   = (ta.highest(high, kijunPeriod)   + ta.lowest(low, kijunPeriod))   / 2
senkouA = (tenkan + kijun) / 2
senkouB = (ta.highest(high, senkouBPeriod) + ta.lowest(low, senkouBPeriod)) / 2
chikou  = close

displacement = kijunPeriod
cloudTop    = math.max(senkouA[displacement], senkouB[displacement])
cloudBottom = math.min(senkouA[displacement], senkouB[displacement])

// ── Signal Logic ──────────────────────────────────────────────────────────────
tkCrossUp   = ta.crossover(tenkan,  kijun)
tkCrossDown = ta.crossunder(tenkan, kijun)

cloudOk  = not useCloud  or (senkouA > senkouB)
chikouOk = not useChikou or (chikou > close[displacement])

priceAboveCloud = close > cloudTop
priceBelowCloud = close < cloudBottom

longEntrySignal = tkCrossUp and cloudOk and chikouOk
longExitSignal  = tkCrossDown or priceBelowCloud

// ── Strategy Execution ────────────────────────────────────────────────────────
var float stopLevel = na

if longEntrySignal and strategy.position_size == 0
    strategy.entry("Long", strategy.long)
    stopLevel := slPct > 0 ? close * (1.0 - slPct / 100.0) : na

if longExitSignal and strategy.position_size > 0
    strategy.close("Long", comment="Exit")
    stopLevel := na

if strategy.position_size > 0 and slPct > 0 and not na(stopLevel)
    strategy.exit("SL", from_entry="Long", stop=stopLevel)

if strategy.position_size == 0
    stopLevel := na

// ── Plots ─────────────────────────────────────────────────────────────────────
tkColor = tenkan >= kijun ? color.new(#2962FF, 0) : color.new(#FF6D00, 0)
plot(tenkan, "Tenkan",  color=tkColor, linewidth=2)
plot(kijun,  "Kijun",   color=color.new(#FF6D00, 0), linewidth=2)
plot(chikou, "Chikou",  color=color.new(#9C27B0, 0), offset=-displacement, linewidth=1)

p1 = plot(senkouA, "Senkou A", color=color.new(#00E676, 0), offset=displacement, linewidth=1)
p2 = plot(senkouB, "Senkou B", color=color.new(#FF1744, 0), offset=displacement, linewidth=1)
cloudColor = senkouA >= senkouB ? color.new(#00E676, 85) : color.new(#FF1744, 85)
fill(p1, p2, color=cloudColor, title="Cloud")

plot(strategy.position_size > 0 and slPct > 0 ? stopLevel : na,
     "Stop Loss", color=color.red, style=plot.style_linebr, linewidth=2)

plotshape(longEntrySignal,
          title="Buy",  location=location.belowbar,
          color=color.new(#00E676, 0), style=shape.triangleup, size=size.small, text="BUY")
plotshape(longExitSignal and strategy.position_size > 0,
          title="Sell", location=location.abovebar,
          color=color.new(#FF1744, 0), style=shape.triangledown, size=size.small, text="SELL")

bgcolor(priceAboveCloud ? color.new(#00E676, 96) : na, title="Above Cloud BG")
bgcolor(priceBelowCloud ? color.new(#FF1744, 96) : na, title="Below Cloud BG")

// ── Confidence & Info Table ───────────────────────────────────────────────────
tkBull     = tenkan > kijun                 ? 1 : 0
cldBull    = senkouA > senkouB              ? 1 : 0
chkBull    = chikou > close[displacement]   ? 1 : 0
abvCloud   = close > cloudTop               ? 1 : 0
confidence = (tkBull + cldBull + chkBull + abvCloud) * 25

inPos    = strategy.position_size > 0
confStr  = inPos ? str.tostring(confidence) + "/100" : "--"
confColor = confidence >= 75 ? color.new(#00E676, 0) : confidence >= 50 ? color.new(#FFEB3B, 0) : color.new(#FF1744, 0)

var table tbl = table.new(position.top_right, 2, 7,
                           bgcolor=color.new(#131722, 85),
                           border_color=color.new(#363a45, 100),
                           border_width=1,
                           frame_color=color.new(#363a45, 100),
                           frame_width=1)

if barstate.islast
    table.cell(tbl, 0, 0, "Ichimoku LC",
               text_color=color.white, text_size=size.small,
               bgcolor=color.new(#2962FF, 70))
    table.cell(tbl, 1, 0, "",
               bgcolor=color.new(#2962FF, 70))
    table.cell(tbl, 0, 1, "Tenkan",
               text_color=color.gray, text_size=size.tiny)
    table.cell(tbl, 1, 1, str.tostring(tenkanPeriod),
               text_color=color.white, text_size=size.tiny)
    table.cell(tbl, 0, 2, "Kijun",
               text_color=color.gray, text_size=size.tiny)
    table.cell(tbl, 1, 2, str.tostring(kijunPeriod),
               text_color=color.white, text_size=size.tiny)
    table.cell(tbl, 0, 3, "Senkou B",
               text_color=color.gray, text_size=size.tiny)
    table.cell(tbl, 1, 3, str.tostring(senkouBPeriod),
               text_color=color.white, text_size=size.tiny)
    table.cell(tbl, 0, 4, "SL",
               text_color=color.gray, text_size=size.tiny)
    table.cell(tbl, 1, 4, slPct > 0 ? str.tostring(slPct, "#.##") + "%" : "off",
               text_color=color.white, text_size=size.tiny)
    table.cell(tbl, 0, 5, "Position",
               text_color=color.gray, text_size=size.tiny)
    table.cell(tbl, 1, 5, inPos ? "LONG" : "--",
               text_color=inPos ? color.new(#00E676, 0) : color.gray,
               text_size=size.tiny)
    table.cell(tbl, 0, 6, "Confidence",
               text_color=color.gray, text_size=size.tiny)
    table.cell(tbl, 1, 6, confStr,
               text_color=inPos ? confColor : color.gray,
               text_size=size.tiny)