Cette stratégie est un système de trading quantitatif avancé combinant les bandes de Bollinger, l'indicateur RSI et le filtre de tendance EMA de 200 périodes.
La logique de base est basée sur trois niveaux:
La confirmation des échanges exige:
Suggestions de contrôle des risques:
Principales approches d'optimisation:
Cette stratégie construit un système de trading complet grâce à une combinaison organique d'indicateurs techniques Bollinger Bands, RSI et EMA. Tout en assurant la qualité du trading, le système démontre une forte valeur pratique grâce à un contrôle strict des risques et un espace d'optimisation flexible des paramètres.
/*backtest start: 2019-12-23 08:00:00 end: 2024-12-10 08:00:00 period: 2d basePeriod: 2d exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}] */ //@version=5 strategy("Improved Bollinger Breakout with Trend Filtering", overlay=true) // === Inputs === length = input(20, title="Bollinger Bands Length", tooltip="The number of candles used to calculate the Bollinger Bands. Higher values smooth the bands, lower values make them more reactive.") mult = input(2.0, title="Bollinger Bands Multiplier", tooltip="Controls the width of the Bollinger Bands. Higher values widen the bands, capturing more price movement.") rsi_length = input(14, title="RSI Length", tooltip="The number of candles used to calculate the RSI. Shorter lengths make it more sensitive to recent price movements.") rsi_midline = input(50, title="RSI Midline", tooltip="Defines the midline for RSI to confirm momentum. Higher values make it stricter for bullish conditions.") risk_reward_ratio = input(1.5, title="Risk/Reward Ratio", tooltip="Determines the take-profit level relative to the stop-loss.") atr_multiplier = input(1.5, title="ATR Multiplier for Stop-Loss", tooltip="Defines the distance of the stop-loss based on ATR. Higher values set wider stop-losses.") volume_filter = input(true, title="Enable Volume Filter", tooltip="If enabled, trades will only execute when volume exceeds the 20-period average.") trend_filter_length = input(200, title="Trend Filter EMA Length", tooltip="The EMA length used to filter trades based on the market trend.") trade_direction = input.string("Both", title="Trade Direction", options=["Long", "Short", "Both"], tooltip="Choose whether to trade only Long, only Short, or Both directions.") confirm_candles = input(2, title="Number of Confirming Candles", tooltip="The number of consecutive candles that must meet the conditions before entering a trade.") // === Indicator Calculations === basis = ta.sma(close, length) dev = mult * ta.stdev(close, length) upper_band = basis + dev lower_band = basis - dev rsi_val = ta.rsi(close, rsi_length) atr_val = ta.atr(14) vol_filter = volume > ta.sma(volume, 20) ema_trend = ta.ema(close, trend_filter_length) // === Helper Function for Confirmation === confirm_condition(cond, lookback) => count = 0 for i = 0 to lookback - 1 count += cond[i] ? 1 : 0 count == lookback // === Trend Filter === trend_is_bullish = close > ema_trend trend_is_bearish = close < ema_trend // === Long and Short Conditions with Confirmation === long_raw_condition = close > upper_band * 1.01 and rsi_val > rsi_midline and (not volume_filter or vol_filter) and trend_is_bullish short_raw_condition = close < lower_band * 0.99 and rsi_val < rsi_midline and (not volume_filter or vol_filter) and trend_is_bearish long_condition = confirm_condition(long_raw_condition, confirm_candles) short_condition = confirm_condition(short_raw_condition, confirm_candles) // === Trade Entry and Exit Logic === if long_condition and (trade_direction == "Long" or trade_direction == "Both") strategy.entry("Long", strategy.long) strategy.exit("Exit Long", "Long", stop=close - (atr_multiplier * atr_val), limit=close + (atr_multiplier * risk_reward_ratio * atr_val)) if short_condition and (trade_direction == "Short" or trade_direction == "Both") strategy.entry("Short", strategy.short) strategy.exit("Exit Short", "Short", stop=close + (atr_multiplier * atr_val), limit=close - (atr_multiplier * risk_reward_ratio * atr_val)) // === Plotting === plot(upper_band, color=color.green, title="Upper Band") plot(lower_band, color=color.red, title="Lower Band") plot(basis, color=color.blue, title="Basis") plot(ema_trend, color=color.orange, title="Trend Filter EMA")