结构突破与动态风险管理量化交易策略

/*backtest
start: 2024-05-30 00:00:00
end: 2025-05-29 00:00:00
period: 2h
basePeriod: 2h
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=6
strategy("LANZ Strategy 4.0 [Backtest]", overlay=true, default_qty_type=strategy.cash, default_qty_value=100)

// === INPUTS ===
swingLength       = input.int(180, "Swing Length", minval=10)
slBufferPoints    = input.float(50.0, "SL Buffer (Points)", minval=0.1)
rr                = input.float(1.0, "TP Risk-Reward (RR)", minval=0.1)
riskPercent       = input.float(1.0, "Risk per Trade (%)", minval=0.1, maxval=100)
pipValueUSD       = input.float(10.0, "Pip Value in USD (1 lot)", minval=0.01)  // Para XAUUSD = $10/punto

// === PIVOT DETECTION ===
pivotHigh = ta.pivothigh(high, swingLength, swingLength)
pivotLow  = ta.pivotlow(low, swingLength, swingLength)

// === STATE TRACKING ===
var float lastTop = na
var float lastBottom = na
var float prevHigh = na
var float prevLow = na
var int trendDir = na
var bool topCrossed = false
var bool bottomCrossed = false
var bool topWasStrong = false
var bool bottomWasStrong = false

// === TREND EVALUATION ===
if not na(pivotHigh)
    prevHigh := lastTop
    lastTop := pivotHigh
    trendDir := (not na(prevHigh) and pivotHigh < prevHigh) ? -1 : trendDir
    topWasStrong := trendDir == -1
    topCrossed := false

if not na(pivotLow)
    prevLow := lastBottom
    lastBottom := pivotLow
    trendDir := (not na(prevLow) and pivotLow > prevLow) ? 1 : trendDir
    bottomWasStrong := trendDir == 1
    bottomCrossed := false

// === ENTRY SIGNALS ===
buySignal  = not topCrossed and close > lastTop
sellSignal = not bottomCrossed and close < lastBottom

// === ENTRY FREEZE VARIABLES ===
var float entryPriceBuy = na
var float entryPriceSell = na
var bool signalTriggeredBuy = false
var bool signalTriggeredSell = false

// === RESET ON POSITION CLOSE ===
if strategy.opentrades == 0
    signalTriggeredBuy := false
    signalTriggeredSell := false
    entryPriceBuy := na
    entryPriceSell := na

// === CAPTURE ENTRY PRICE ===
if buySignal and not signalTriggeredBuy and strategy.opentrades == 0
    entryPriceBuy := close
    signalTriggeredBuy := true

if sellSignal and not signalTriggeredSell and strategy.opentrades == 0
    entryPriceSell := close
    signalTriggeredSell := true

// === SL/TP / RIESGO DINÁMICO ===
pip = syminfo.mintick * 10
buffer = slBufferPoints * pip

var float sl = na
var float tp = na
var float qty = na

// === OBJETOS VISUALES ===
var line epLine = na
var line slLine = na
var line tpLine = na
var label epLabel = na
var label slLabel = na
var label tpLabel = na

// === BUY ENTRY ===
if signalTriggeredBuy and strategy.opentrades == 0
    sl := low - buffer
    tp := entryPriceBuy + (entryPriceBuy - sl) * rr
    slPips = math.abs(entryPriceBuy - sl) / pip
    riskUSD = strategy.equity * (riskPercent / 100)
    qty := slPips > 0 ? (riskUSD / (slPips * pipValueUSD)) : na
    strategy.entry("BUY", strategy.long, qty=qty)
    strategy.exit("TP/SL BUY", from_entry="BUY", stop=sl, limit=tp)
    topCrossed := true

// === SELL ENTRY ===
if signalTriggeredSell and strategy.opentrades == 0
    sl := high + buffer
    tp := entryPriceSell - (sl - entryPriceSell) * rr
    slPips = math.abs(entryPriceSell - sl) / pip
    riskUSD = strategy.equity * (riskPercent / 100)
    qty := slPips > 0 ? (riskUSD / (slPips * pipValueUSD)) : na
    strategy.entry("SELL", strategy.short, qty=qty)
    strategy.exit("TP/SL SELL", from_entry="SELL", stop=sl, limit=tp)
    bottomCrossed := true

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