Multi Timeframe Combined Candlestick Pattern Recognition Trading Strategy

Pine ScriptMulti-timeframe Mean reversion Trend following

Author: ChaoZhang
Complexity: Intermediate · 97 lines
Parameters: 0
Backtest bar: 2h · intraday
Tested on: BTC/USDT · futures

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Overview

This strategy is an automated trading system based on candlestick pattern recognition. It integrates ten classic candlestick patterns, including five bullish patterns (Hammer, Bullish Engulfing, Piercing Line, Morning Star, and Three White Soldiers) and five bearish patterns (Hanging Man, Bearish Engulfing, Dark Cloud Cover, Evening Star, and Three Black Crows). Through real-time identification and analysis of these patterns, the strategy provides traders with potential market reversal signals and trading opportunities.

Strategy Principle

The core of the strategy lies in its programmatic implementation of precise candlestick pattern recognition. Each pattern has its unique mathematical definition and condition criteria:

For single candlestick patterns (like Hammer, Hanging Man), judgment is primarily based on the ratio between body and shadow
For two-candlestick patterns (like Engulfing, Piercing Line), judgment is made by comparing the relative positions of adjacent candlesticks' open and close prices
For three-candlestick patterns (like Three White Soldiers, Three Black Crows), multiple conditions regarding trend direction and position relationships must be satisfied simultaneously The strategy allows users to flexibly enable or disable specific pattern recognition through parameter settings.

Strategy Advantages

Comprehensiveness: Covers the most representative ten candlestick patterns, capable of capturing different types of market reversal signals
Flexibility: Users can freely choose pattern combinations based on market conditions and personal trading style
Visualization: Clear marking system provides intuitive display of pattern locations and types
Automation: Fully programmed judgment process eliminates subjective and emotional human judgment
Practicality: Clear strategy logic facilitates combination with other technical indicators or trading systems

Strategy Risks

Lag Risk: Pattern confirmation requires waiting for candle closure, potentially causing slight entry delays
False Signal Risk: Relying solely on candlestick patterns may generate numerous false signals in choppy markets
Market Environment Dependency: Strategy performs better in trending markets but may underperform in ranging markets
Parameter Setting Risk: Enabling too many pattern recognitions may lead to overcrowded signals affecting judgment
Stop Loss Control Risk: Strategy lacks built-in comprehensive stop-loss mechanisms, requiring additional risk control measures

Strategy Optimization Directions

Implement Trend Filtering: Combine with moving averages or trend indicators to filter out counter-trend signals
Add Volume Confirmation: Validate pattern effectiveness through volume changes
Enhance Risk Control: Add dynamic stop-loss and profit target setting functionality
Optimize Pattern Parameters: Adjust pattern recognition parameters for different markets and timeframes
Add Pattern Weighting: Set up different signal weighting systems based on pattern reliability

Summary

This is a well-designed and logically clear candlestick pattern recognition trading strategy. It implements traditional technical analysis's most commonly used candlestick pattern judgments through programming, providing traders with an objective and systematic trading tool. While it has some inherent limitations, through appropriate optimization and combination with other technical tools, this strategy can provide valuable reference signals for trading decisions. The strategy's modular design also provides a good foundation for subsequent functional expansion and performance optimization.

Source Pine Script

/*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)

Published by ChaoZhang on the FMZ strategy square · last modified 2024-12-11. Collected in the Quant Trading Vault. Unvalidated research: re-test with your own data and costs before trusting it.

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