该策略是一个基于K线形态识别的自动化交易系统。它集成了十种经典的K线形态,包括五种看涨形态(锤子线、多头吞没、刺透线、晨星和三白兵)和五种看跌形态(上吊线、空头吞没、乌云盖顶、暮星和三黑鸦)。策略通过对这些形态的实时识别和分析,为交易者提供潜在的市场反转信号和交易机会。
策略的核心是通过编程实现对各种K线形态的精确识别。每种形态都有其独特的数学定义和条件判断: 1. 对于单根K线形态(如锤子线、上吊线),主要基于实体与影线的比例关系进行判断 2. 对于两根K线形态(如吞没线、刺透线),通过比较相邻两根K线的开收盘价位置关系进行判断 3. 对于三根K线形态(如三白兵、三黑鸦),则需要同时满足连续三根K线的走势方向和位置关系 策略允许用户通过参数设置灵活选择启用或禁用特定形态的识别。
这是一个设计合理、逻辑清晰的K线形态识别交易策略。它通过程序化方式实现了传统技术分析中最常用的K线形态判断,为交易者提供了一个客观、系统化的交易工具。虽然存在一些固有的局限性,但通过适当的优化和配合其他技术工具,该策略能够为交易决策提供有价值的参考信号。策略的模块化设计也为后续的功能扩展和性能优化提供了良好的基础。
/*backtest
start: 2024-11-10 00:00:00
end: 2024-12-09 08:00:00
period: 2h
basePeriod: 2h
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/
//@version=5
// Author: Raymond Ngobeni
strategy('Candlestick Pattern Strategy [Ubaton]', 'Ubaton - Candlestick Pattern Strategy', overlay = true, max_labels_count = 500, max_lines_count = 500, max_boxes_count = 500)
// User Inputs: Enable/Disable Patterns
// Bullish Patterns
enableHammer = input.bool(true, "Show Hammer")
enableBullEngulfing = input.bool(true, "Show Bullish Engulfing")
enablePiercingLine = input.bool(true, "Show Piercing Line")
enableMorningStar = input.bool(true, "Show Morning Star")
enableThreeWhiteSoldiers = input.bool(true, "Show Three White Soldiers")
// Bearish Patterns
enableHangingMan = input.bool(true, "Show Hanging Man")
enableBearEngulfing = input.bool(true, "Show Bearish Engulfing")
enableDarkCloudCover = input.bool(true, "Show Dark Cloud Cover")
enableEveningStar = input.bool(true, "Show Evening Star")
enableThreeBlackCrows = input.bool(true, "Show Three Black Crows")
// Helper Functions
isHammer() =>
bodySize = math.abs(open - close)
shadowSize = low < math.min(open, close) ? math.min(open, close) - low : na
shadowSize >= 2 * bodySize and high - math.max(open, close) <= bodySize
isBullishEngulfing() =>
close[1] < open[1] and close > open and open <= close[1] and close >= open[1]
isPiercingLine() =>
close[1] < open[1] and close > close[1] + (open[1] - close[1]) * 0.5 and close < open[1]
isMorningStar() =>
close[2] < open[2] and math.abs(close[1] - open[1]) < (high[1] - low[1]) * 0.3 and close > open
isThreeWhiteSoldiers() =>
close > open and close[1] > open[1] and close[2] > open[2] and open > close[1] and open[1] > close[2]
isHangingMan() =>
bodySize = math.abs(open - close)
shadowSize = low < math.min(open, close) ? math.min(open, close) - low : na
shadowSize >= 2 * bodySize and high - math.max(open, close) <= bodySize and close < open
isBearishEngulfing() =>
close[1] > open[1] and close < open and open >= close[1] and close <= open[1]
isDarkCloudCover() =>
close[1] > open[1] and open > close[1] and close < open[1] and close < close[1] + (open[1] - close[1]) * 0.5
isEveningStar() =>
close[2] > open[2] and math.abs(close[1] - open[1]) < (high[1] - low[1]) * 0.3 and close < open
isThreeBlackCrows() =>
close < open and close[1] < open[1] and close[2] < open[2] and open < close[1] and open[1] < close[2]
// Detect Patterns
// Bullish
hammerDetected = enableHammer and isHammer()
bullEngulfDetected = enableBullEngulfing and isBullishEngulfing()
piercingDetected = enablePiercingLine and isPiercingLine()
morningStarDetected = enableMorningStar and isMorningStar()
threeWhiteDetected = enableThreeWhiteSoldiers and isThreeWhiteSoldiers()
// Bearish
hangingManDetected = enableHangingMan and isHangingMan()
bearEngulfDetected = enableBearEngulfing and isBearishEngulfing()
darkCloudDetected = enableDarkCloudCover and isDarkCloudCover()
eveningStarDetected = enableEveningStar and isEveningStar()
threeBlackDetected = enableThreeBlackCrows and isThreeBlackCrows()
// Plot Bullish Patterns
plotshape(enableHammer and hammerDetected, title="Hammer", location=location.belowbar, color=color.green, style=shape.labelup, text="Hammer")
plotshape(enableBullEngulfing and bullEngulfDetected, title="Bullish Engulfing", location=location.belowbar, color=color.green, style=shape.labelup, text="Engulf")
plotshape(enablePiercingLine and piercingDetected, title="Piercing Line", location=location.belowbar, color=color.green, style=shape.labelup, text="Piercing")
plotshape(enableMorningStar and morningStarDetected, title="Morning Star", location=location.belowbar, color=color.green, style=shape.labelup, text="Morning")
plotshape(enableThreeWhiteSoldiers and threeWhiteDetected, title="Three White Soldiers", location=location.belowbar, color=color.green, style=shape.labelup, text="3 Soldiers")
// Plot Bearish Patterns
plotshape(enableHangingMan and hangingManDetected, title="Hanging Man", location=location.abovebar, color=color.red, style=shape.labeldown, text="Hanging")
plotshape(enableBearEngulfing and bearEngulfDetected, title="Bearish Engulfing", location=location.abovebar, color=color.red, style=shape.labeldown, text="Engulf")
plotshape(enableDarkCloudCover and darkCloudDetected, title="Dark Cloud Cover", location=location.abovebar, color=color.red, style=shape.labeldown, text="Dark Cloud")
plotshape(enableEveningStar and eveningStarDetected, title="Evening Star", location=location.abovebar, color=color.red, style=shape.labeldown, text="Evening")
plotshape(enableThreeBlackCrows and threeBlackDetected, title="Three Black Crows", location=location.abovebar, color=color.red, style=shape.labeldown, text="3 Crows")
// Strategy Execution
if hammerDetected or bullEngulfDetected or piercingDetected or morningStarDetected or threeWhiteDetected
strategy.entry("Bullish Entry", strategy.long)
if hangingManDetected or bearEngulfDetected or darkCloudDetected or eveningStarDetected or threeBlackDetected
strategy.entry("Bearish Entry", strategy.short)