Cette stratégie est un système de trading avancé basé sur des niveaux de support et de résistance, combinant des canaux de tendance dynamiques avec une fonctionnalité de gestion des risques.
La logique de base comprend plusieurs éléments clés:
Cette stratégie combine des concepts d'analyse technique clés - niveaux de support/résistance et canaux de tendance - pour construire un système de trading logiquement rigoureux et contrôlé par le risque.
/*backtest start: 2019-12-23 08:00:00 end: 2025-01-04 08:00:00 period: 1d basePeriod: 1d exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}] */ //@version=5 strategy("Support and Resistance with Trend Lines and Channels", overlay=true) // Inputs lookback = input.int(20, title="Lookback Period for Support/Resistance", minval=1) channelWidth = input.float(0.01, title="Channel Width (%)", minval=0.001) / 100 startDate = input(timestamp("2023-01-01 00:00"), title="Backtesting Start Date") endDate = input(timestamp("2023-12-31 23:59"), title="Backtesting End Date") // Check if the current bar is within the testing range inTestingRange = true // Support and Resistance Levels supportLevel = ta.lowest(low, lookback) // Swing low (support) resistanceLevel = ta.highest(high, lookback) // Swing high (resistance) // Trend Lines and Channels var line supportLine = na var line resistanceLine = na var line upperChannelLine = na var line lowerChannelLine = na // Calculate channel levels upperChannel = resistanceLevel * (1 + channelWidth) // Upper edge of channel lowerChannel = supportLevel * (1 - channelWidth) // Lower edge of channel // Create or update the support trend line // if na(supportLine) // supportLine := line.new(bar_index, supportLevel, bar_index + 1, supportLevel, color=color.green, width=2, extend=extend.right) // else // line.set_y1(supportLine, supportLevel) // line.set_y2(supportLine, supportLevel) // // Create or update the resistance trend line // if na(resistanceLine) // resistanceLine := line.new(bar_index, resistanceLevel, bar_index + 1, resistanceLevel, color=color.red, width=2, extend=extend.right) // else // line.set_y1(resistanceLine, resistanceLevel) // line.set_y2(resistanceLine, resistanceLevel) // // Create or update the upper channel line // if na(upperChannelLine) // upperChannelLine := line.new(bar_index, upperChannel, bar_index + 1, upperChannel, color=color.blue, width=1, style=line.style_dashed, extend=extend.right) // else // line.set_y1(upperChannelLine, upperChannel) // line.set_y2(upperChannelLine, upperChannel) // // Create or update the lower channel line // if na(lowerChannelLine) // lowerChannelLine := line.new(bar_index, lowerChannel, bar_index + 1, lowerChannel, color=color.purple, width=1, style=line.style_dashed, extend=extend.right) // else // line.set_y1(lowerChannelLine, lowerChannel) // line.set_y2(lowerChannelLine, lowerChannel) // Buy Condition: When price is near support level buyCondition = close <= supportLevel * 1.01 and inTestingRange if buyCondition strategy.entry("Buy", strategy.long) // Stop Loss and Take Profit stopLossPercentage = input.float(1.5, title="Stop Loss Percentage", minval=0.0) / 100 takeProfitPercentage = input.float(3.0, title="Take Profit Percentage", minval=0.0) / 100 var float longStopLoss = na var float longTakeProfit = na if strategy.position_size > 0 longStopLoss := strategy.position_avg_price * (1 - stopLossPercentage) longTakeProfit := strategy.position_avg_price * (1 + takeProfitPercentage) strategy.exit("Exit Buy", "Buy", stop=longStopLoss, limit=longTakeProfit) // Visualize Entry, Stop Loss, and Take Profit Levels var float entryPrice = na if buyCondition entryPrice := close if not na(entryPrice) label.new(bar_index, entryPrice, text="Entry: " + str.tostring(entryPrice, "#.##"), style=label.style_label_up, color=color.green, textcolor=color.white) if strategy.position_size > 0 line.new(bar_index, longStopLoss, bar_index + 1, longStopLoss, color=color.red, width=1, extend=extend.right) line.new(bar_index, longTakeProfit, bar_index + 1, longTakeProfit, color=color.blue, width=1, extend=extend.right) // Risk-to-Reward Ratio (Optional) if not na(entryPrice) and not na(longStopLoss) and not na(longTakeProfit) riskToReward = (longTakeProfit - entryPrice) / (entryPrice - longStopLoss) label.new(bar_index, entryPrice, text="R:R " + str.tostring(riskToReward, "#.##"), style=label.style_label_up, color=color.yellow, textcolor=color.black, size=size.small)