Esta estrategia es un sistema de negociación basado en bandas de Bollinger y análisis de patrones de velas, diseñado para capturar las reversiones del mercado mediante el análisis de la volatilidad de los precios y las características de las velas en el marco de tiempo diario.
La estrategia emplea bandas de Bollinger de 20 períodos como indicador técnico principal con un multiplicador de desviación estándar de 2.0. Al calcular la relación entre las sombras de las velas y los cuerpos, el sistema genera señales de negociación cuando esta relación excede un umbral establecido (por defecto 1.0) y el precio toca los límites de la banda de Bollinger.
Este es un sistema de negociación integral que combina bandas de Bollinger y análisis de velas para capturar oportunidades de reversión del mercado. Las fortalezas de la estrategia se encuentran en su marco analítico integral y sistema robusto de gestión de riesgos, mientras que se debe prestar atención a las condiciones del mercado y los impactos de selección de parámetros. A través de las direcciones de optimización sugeridas, la estabilidad y confiabilidad de la estrategia se pueden mejorar aún más.
/*backtest start: 2023-11-29 00:00:00 end: 2024-11-28 00:00:00 period: 1d basePeriod: 1d exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}] */ //@version=5 strategy("Trade Entry Detector, based on Wick to Body Ratio when price tests Bollinger Bands", overlay=true, default_qty_type=strategy.fixed) // Input for primary analysis time frame timeFrame = "D" // Daily time frame // Bollinger Band settings length = input.int(20, title="Bollinger Band Length", minval=1) mult = input.float(2.0, title="Standard Deviation Multiplier", minval=0.1) source = input(close, title="Source") // Entry ratio settings wickToBodyRatio = input.float(1.0, title="Minimum Wick-to-Body Ratio", minval=0) // Order Fill Timing Option fillOption = input.string("Daily Close", title="Order Fill Timing", options=["Daily Close", "Daily Open", "HOD", "LOD"]) // Account and risk settings accountBalance = 100000 // Account balance in dollars riskPercentage = 1.0 // Risk percentage per trade riskAmount = (riskPercentage / 100) * accountBalance // Fixed 1% risk amount // Request daily data for calculations dailyHigh = request.security(syminfo.tickerid, timeFrame, high) dailyLow = request.security(syminfo.tickerid, timeFrame, low) dailyClose = request.security(syminfo.tickerid, timeFrame, close) dailyOpen = request.security(syminfo.tickerid, timeFrame, open) // Calculate Bollinger Bands on the daily time frame dailyBasis = request.security(syminfo.tickerid, timeFrame, ta.sma(source, length)) dailyDev = mult * request.security(syminfo.tickerid, timeFrame, ta.stdev(source, length)) dailyUpperBand = dailyBasis + dailyDev dailyLowerBand = dailyBasis - dailyDev // Calculate the body and wick sizes on the daily time frame dailyBodySize = math.abs(dailyOpen - dailyClose) dailyUpperWickSize = dailyHigh - math.max(dailyOpen, dailyClose) dailyLowerWickSize = math.min(dailyOpen, dailyClose) - dailyLow // Conditions for a candle with an upper wick or lower wick that touches the Bollinger Bands upperWickCondition = (dailyUpperWickSize / dailyBodySize >= wickToBodyRatio) and (dailyHigh > dailyUpperBand) lowerWickCondition = (dailyLowerWickSize / dailyBodySize >= wickToBodyRatio) and (dailyLow < dailyLowerBand) // Define the swing high and swing low for stop loss placement var float swingLow = na var float swingHigh = na if (ta.pivothigh(dailyHigh, 5, 5)) swingHigh := dailyHigh[5] if (ta.pivotlow(dailyLow, 5, 5)) swingLow := dailyLow[5] // Determine entry price based on chosen fill option var float longEntryPrice = na var float shortEntryPrice = na if lowerWickCondition longEntryPrice := fillOption == "Daily Close" ? dailyClose : fillOption == "Daily Open" ? dailyOpen : fillOption == "HOD" ? dailyHigh : dailyLow if upperWickCondition shortEntryPrice := fillOption == "Daily Close" ? dailyClose : fillOption == "Daily Open" ? dailyOpen : fillOption == "HOD" ? dailyHigh : dailyLow // Execute the long and short entries with expiration var int longOrderExpiry = na var int shortOrderExpiry = na if not na(longEntryPrice) longOrderExpiry := bar_index + 2 // Order expires after 2 days if not na(shortEntryPrice) shortOrderExpiry := bar_index + 2 // Order expires after 2 days // Check expiration and execute orders if (longEntryPrice and bar_index <= longOrderExpiry and high >= longEntryPrice) longStopDistance = close - nz(swingLow, close) longPositionSize = longStopDistance > 0 ? riskAmount / longStopDistance : na if (not na(longPositionSize)) strategy.entry("Long", strategy.long, qty=longPositionSize) longEntryPrice := na // Reset after entry if (shortEntryPrice and bar_index <= shortOrderExpiry and low <= shortEntryPrice) shortStopDistance = nz(swingHigh, close) - close shortPositionSize = shortStopDistance > 0 ? riskAmount / shortStopDistance : na if (not na(shortPositionSize)) strategy.entry("Short", strategy.short, qty=shortPositionSize) shortEntryPrice := na // Reset after entry // Exit logic: hit the opposing Bollinger Band if (strategy.position_size > 0) // Long position strategy.exit("Exit Long", "Long", limit=dailyUpperBand) else if (strategy.position_size < 0) // Short position strategy.exit("Exit Short", "Short", limit=dailyLowerBand) if (strategy.position_size > 0) // Long position strategy.exit("Stop Loss Long", "Long", stop=swingLow) else if (strategy.position_size < 0) // Short position strategy.exit("Stop Loss Short", "Short", stop=swingHigh) // Plot daily Bollinger Bands and levels on the chosen time frame plot(dailyUpperBand, color=color.blue, linewidth=1, title="Daily Upper Bollinger Band") plot(dailyLowerBand, color=color.blue, linewidth=1, title="Daily Lower Bollinger Band") plot(dailyBasis, color=color.gray, linewidth=1, title="Daily Middle Bollinger Band")