লিকুইডিটি সুইপ মাল্টি-কনফার্মেশন কৌশল

/*backtest
start: 2024-12-17 00:00:00
end: 2025-12-15 08:00:00
period: 1h
basePeriod: 1h
exchanges: [{"eid":"Futures_Binance","currency":"ETH_USDT","balance":500000}]
*/

//@version=5
strategy(
     "Liquidity Sweep + Volume + OB + EMA Cross Exit (Fixed)",
     overlay=true,
     max_boxes_count=500,
     max_lines_count=500,
     initial_capital=100000,
     default_qty_type=strategy.percent_of_equity,
     default_qty_value=10,
     pyramiding=1)

//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
// INPUTS
//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
len = input.int(11, "Swing Length", minval=1)

volLen  = input.int(11, "Volume MA Length", group="Volume Filter")
volMult = input.float(1, "Volume Multiplier", step=0.1, group="Volume Filter")

emaLength  = input.int(31, "EMA Length", minval=1, group="EMA Filter")
extendBoxes = input.bool(true, "Extend Boxes")

//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
// EMA
//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
emaVal = ta.ema(close, emaLength)
plot(emaVal, title="EMA", color=color.orange)


//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
// COLORS
//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
buyCol   = color.lime
sellCol  = color.red

liqBuyCol  = color.new(color.lime, 85)
liqSellCol = color.new(color.red, 85)

obBuyCol  = color.new(color.green, 75)
obSellCol = color.new(color.maroon, 75)

//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
// VOLUME FILTER
//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
volMA   = ta.sma(volume, volLen)
highVol = volume > volMA * volMult

//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
// PIVOTS
//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
ph = ta.pivothigh(len, len)
pl = ta.pivotlow(len, len)

var float lastPH = na
var float lastPL = na

if not na(ph)
    lastPH := ph
if not na(pl)
    lastPL := pl

//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
// LIQUIDITY SWEEPS
//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
sellSweep = not na(lastPH) and high > lastPH and close < lastPH and highVol
buySweep  = not na(lastPL) and low  < lastPL and close > lastPL and highVol

//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
// ANTI-SPAM LOCK
//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
var bool buyLock  = false
var bool sellLock = false

if buySweep
    buyLock := true
else if not na(lastPL) and close < lastPL
    buyLock := false

if sellSweep
    sellLock := true
else if not na(lastPH) and close > lastPH
    sellLock := false

buySignal  = buySweep  and not buyLock[1]
sellSignal = sellSweep and not sellLock[1]

//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
// TRADE STATE
//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
var float entryPrice = na
var int   entryBar   = na
var int   entryDir   = 0   // 1 = BUY, -1 = SELL
var bool  tradeAlive = false

//━━━━━━━━ ENTRY ━━━━━━━━━━━━━━━━━━━
if buySignal and not tradeAlive
    strategy.entry("BUY", strategy.long)
    entryPrice := close
    entryBar   := bar_index
    entryDir   := 1
    tradeAlive := true

if sellSignal and not tradeAlive
    strategy.entry("SELL", strategy.short)
    entryPrice := close
    entryBar   := bar_index
    entryDir   := -1
    tradeAlive := true

barsFromEntry = tradeAlive ? bar_index - entryBar : na

//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
// EXIT LOGIC
//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
exitBuyAfter3  = tradeAlive and entryDir == 1  and barsFromEntry >= 3 and close < entryPrice
exitSellAfter3 = tradeAlive and entryDir == -1 and barsFromEntry >= 3 and close > entryPrice

exitOppBuy  = tradeAlive and entryDir == 1  and sellSignal
exitOppSell = tradeAlive and entryDir == -1 and buySignal

// EMA downside cross exit
emaCrossDown = tradeAlive and ta.crossunder(close, emaVal)
exitEMA      = emaCrossDown

exitSignal = exitBuyAfter3 or exitSellAfter3 or exitOppBuy or exitOppSell or exitEMA

if exitSignal
    if entryDir == 1
        strategy.close("BUY")
    if entryDir == -1
        strategy.close("SELL")

    tradeAlive := false
    entryPrice := na
    entryBar   := na
    entryDir   := 0

//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
// PLOTS
//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
plotshape(buySignal,  "BUY",  shape.labelup,   location.belowbar, color=buyCol,  text="BUY",  textcolor=color.black)
plotshape(sellSignal, "SELL", shape.labeldown, location.abovebar, color=sellCol, text="SELL", textcolor=color.white)

plotshape(exitBuyAfter3,  "EXIT BUY 3+",  shape.xcross, location.abovebar, color=color.orange)
plotshape(exitSellAfter3, "EXIT SELL 3+", shape.xcross, location.belowbar, color=color.orange)

plotshape(exitOppBuy,  "EXIT BUY OPP",  shape.flag, location.abovebar, color=color.yellow)
plotshape(exitOppSell, "EXIT SELL OPP", shape.flag, location.belowbar, color=color.yellow)

plotshape(exitEMA and entryDir == 1, "EXIT EMA BUY",  shape.triangledown, location.abovebar, color=color.blue)
plotshape(exitEMA and entryDir == -1, "EXIT EMA SELL", shape.triangleup,  location.belowbar, color=color.blue)

//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
// ALERTS
//━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
alertcondition(buySignal,  "BUY Alert",  "Liquidity Sweep BUY")
alertcondition(sellSignal, "SELL Alert", "Liquidity Sweep SELL")
alertcondition(exitEMA,title="EXIT EMA CROSS",message="Price crossed below EMA")