Bollinger Bands (ボリンジャーバンド) とキャンドルスティックパターン分析をベースとしたトレンドフォロー戦略である.この戦略は,価格がボリンジャーバンドに触るとキャンドルスティックパターンを観察し,ウィックとボディの比率関係と組み合わせて,主に潜在的な市場逆転点を特定する.また,この戦略は取引ごとに露出を制御するために固定リスクモデルを使用し,取引の精度を高めるために複数のタイムフレーム分析を使用する.
戦略のコアロジックは,いくつかの重要な要素に基づいています. まず,価格波動範囲を決定するために20期間のボリンジャーバンドを計算します. 次に,価格がボリンジャーバンドに触ると,上/下 wicksとキャンドルスティックボディの比率を分析し,比率が設定された
この戦略は,比較的包括的な取引システムを構築するために,古典的な技術分析ツールと近代的なリスク管理方法を組み合わせます.主な利点は,厳格なリスク管理と柔軟なエントリーメカニズムにあります.一方で,市場環境の変化と実用的な応用における信号信頼性の検証に注意を払う必要があります.提案された最適化方向性を通じて,特に信号フィルタリングとリスク管理の側面において,さらなる改善の余地があります.
/*backtest start: 2024-01-01 00:00:00 end: 2024-11-26 00:00:00 period: 12h basePeriod: 12h 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")