ianzeng123
Aperçu
Il s’agit d’une stratégie de négociation quantitative basée sur le Three Line Strike et l’Engulfing Pattern. La stratégie capte les points de retournement de tendance du marché en identifiant les retournements de tendance de la K après trois lignes K consécutives et prend des décisions de négociation en combinant plusieurs indicateurs techniques.
Principe de stratégie
La logique centrale de la stratégie est basée sur deux formes principales de ligne K:
- La forme triple coup: pour juger d’un renversement de tendance, il faut identifier trois lignes K convergentes consécutives. La forme haussière se compose de trois lignes K rouges consécutives à la baisse suivie d’une ligne K verte consécutive à une plus grande absorption.
- La stratégie consiste à comparer la taille de l’entité de la ligne K actuelle à celle de la ligne K précédente pour identifier la forme d’absorption.
Avantages stratégiques
- La détection du signal est précise: la stratégie utilise des calculs mathématiques rigoureux pour juger de la forme de la ligne K, et la qualité du signal est garantie par le filtrage de conditions multiples.
- Contrôle des risques: paramètres de risque tels que le capital initial, le taux de détention et l’interdiction de la réintégration.
- Hauteur personnalisable: offre de nombreux paramètres qui peuvent être optimisés en fonction des différentes caractéristiques du marché et des besoins de la transaction.
- Support visuel: fournit des balises graphiques claires et des astuces pour faciliter l’analyse et la surveillance.
Risque stratégique
- La dépendance aux conditions du marché: il peut y avoir trop de faux signaux dans un marché en crise.
- Effets des points de glissement: les points d’entrée des grands lignes K submergées peuvent être affectés par des points de glissement plus importants.
- Risque de retard: l’identification des formes nécessite de nombreuses lignes K, ce qui peut vous faire manquer le meilleur moment pour entrer.
Orientation de l’optimisation de la stratégie
- Introduction de l’indicateur de trafic: les changements de trafic sont combinés pour filtrer la qualité du signal.
- Optimisation des paramètres de stop loss: réglage dynamique de la position de stop loss en fonction de l’ATR ou de la volatilité.
- Ajout de filtres de tendance: ajout d’un système homogène pour juger de la tendance globale.
- Amélioration du mécanisme de retrait: une conception plus flexible des conditions de retrait.
Résumer
La stratégie capture les points d’inflexion importants du marché grâce à une méthode d’analyse technique systématique, avec une base théorique solide et une valeur pratique. Grâce à l’optimisation des paramètres et à l’amélioration du contrôle des risques, elle peut être utilisée comme une partie importante d’un système de négociation robuste. La conception modulaire de la stratégie fournit également une bonne base pour une optimisation ultérieure.
Overview
This is a quantitative trading strategy based on Three Line Strike and Engulfing patterns. The strategy captures market turning points by identifying breakthrough reversal candlesticks following three consecutive candles, combining multiple technical indicators for trading decisions. It features a complete signal detection system and risk control mechanism, with highly customizable parameter settings.
Strategy Principle
The core logic is based on two main candlestick patterns:
- Three Line Strike Pattern: Identifies trend reversals through three consecutive same-direction candles followed by a reversal candle. Bullish pattern consists of three consecutive red candles followed by a large green engulfing candle; bearish pattern consists of three consecutive green candles followed by a large red engulfing candle.
- Engulfing Pattern: Large single engulfing candles serve as auxiliary signals. The strategy identifies engulfing patterns by comparing the body size of current and previous candles.
Strategy Advantages
- Precise Signal Identification: Uses strict mathematical calculations to judge candlestick patterns, ensuring signal quality through multiple condition filtering.
- Comprehensive Risk Control: Includes risk parameters like initial capital and position sizing, with pyramiding prevention.
- Highly Customizable: Offers rich parameter settings for optimization according to different market characteristics and trading needs.
- Visual Support: Provides clear graphical markers and alert messages for analysis and monitoring.
Strategy Risks
- Market Environment Dependency: May generate excessive false signals in ranging markets.
- Slippage Impact: Entry points for large engulfing candles may be subject to significant slippage.
- Delay Risk: Pattern recognition requires multiple candles, potentially missing optimal entry points.
Optimization Directions
- Incorporate Volume Indicators: Filter signal quality by combining volume changes.
- Optimize Stop Loss Settings: Dynamically adjust stop loss positions based on ATR or volatility.
- Add Trend Filtering: Implement moving average systems to judge overall trend.
- Improve Exit Mechanism: Design more flexible profit-taking conditions.
Summary
The strategy captures important market turning points through systematic technical analysis, with strong theoretical foundation and practical value. Through parameter optimization and risk control refinement, it can serve as an important component of a robust trading system. The modular design also provides a good foundation for further optimization.
Code source de la stratégie
/*backtest
start: 2024-03-09 18:40:00
end: 2025-02-19 08:00:00
period: 1d
basePeriod: 1d
exchanges: [{"eid":"Binance","currency":"ETH_USDT"}]
*/
// Copyright ...
// Based on the TMA Overlay by Arty, converted to a simple strategy example.
// Pine Script v5
//@version=5
strategy(title='3 Line Strike [TTF] - Strategy',
shorttitle='3LS Strategy [TTF]',
overlay=true,
initial_capital=100000,
default_qty_type=strategy.percent_of_equity,
default_qty_value=100,
pyramiding=0)
// -----------------------------------------------------------------------------
// INPUTS
// -----------------------------------------------------------------------------
//
// ### 3 Line Strike
//
showBear3LS = input.bool(title='Show Bearish 3 Line Strike', defval=true, group='3 Line Strike',
tooltip="Bearish 3 Line Strike (3LS-Bear) = 3 green candles followed by a large red candle (engulfing).")
showBull3LS = input.bool(title='Show Bullish 3 Line Strike', defval=true, group='3 Line Strike',
tooltip="Bullish 3 Line Strike (3LS-Bull) = 3 red candles followed by a large green candle (engulfing).")
showMemeChars = input.bool(title="Plot 3 Line Strike meme symbols", defval=false, group="3 Line Strike")
//
//### Engulfing Candles
//
showBearEngulfing= input.bool(title='Show Bearish Big Candles', defval=false, group='Big Candles')
showBullEngulfing= input.bool(title='Show Bullish Big Candles', defval=false, group='Big Candles')
//
//### Alerts
//
void = input.bool(title="(Info) Alerts are based on detected signals.", defval=true)
// -----------------------------------------------------------------------------
// HELPER FUNCTIONS
// -----------------------------------------------------------------------------
// Function: Get the 'color' of the candle: -1 = red, 0 = doji, +1 = green
getCandleColorIndex(barIndex) =>
int ret = na
if (close[barIndex] > open[barIndex])
ret := 1
else if (close[barIndex] < open[barIndex])
ret := -1
else
ret := 0
ret
// Function: Check if the candle is engulfing (based on the body size of the candles)
isEngulfing(checkBearish) =>
// Size of the previous candle
sizePrevCandle = close[1] - open[1]
// Size of the current candle
sizeCurrentCandle = close - open
isCurrentLargerThanPrevious = math.abs(sizeCurrentCandle) > math.abs(sizePrevCandle)
// Bearish / Bullish division
if checkBearish
// Bearish engulfing: previous green, current larger red
isGreenToRed = (getCandleColorIndex(0) < 0) and (getCandleColorIndex(1) > 0)
isCurrentLargerThanPrevious and isGreenToRed
else
// Bullish engulfing: previous red, current larger green
isRedToGreen = (getCandleColorIndex(0) > 0) and (getCandleColorIndex(1) < 0)
isCurrentLargerThanPrevious and isRedToGreen
// Simplified calls for bullish/bearish engulfing
isBearishEngulfing() => isEngulfing(true)
isBullishEngulfing() => isEngulfing(false)
// Function: 3 consecutive candles of one color followed by the opposite engulfing candle
// 3 Line Strike - Bearish
is3LSBear() =>
// Three consecutive green candles?
is3LineSetup = (getCandleColorIndex(1) > 0) and (getCandleColorIndex(2) > 0) and (getCandleColorIndex(3) > 0)
// Followed by Bearish engulfing
is3LineSetup and isBearishEngulfing()
// 3 Line Strike - Bullish
is3LSBull() =>
// Three consecutive red candles?
is3LineSetup = (getCandleColorIndex(1) < 0) and (getCandleColorIndex(2) < 0) and (getCandleColorIndex(3) < 0)
// Followed by Bullish engulfing
is3LineSetup and isBullishEngulfing()
// -----------------------------------------------------------------------------
// SIGNALS
// -----------------------------------------------------------------------------
// ### 3 Line Strike
is3LSBearSig = is3LSBear()
is3LSBullSig = is3LSBull()
// Meme icons vs. standard shapes
plotchar(showBull3LS and showMemeChars ? is3LSBullSig : na, char="🍆", color=color.rgb(0, 255, 0, 0),
location=location.belowbar, size=size.tiny, text='3LS-Bull', title='3 Line Strike Up (Meme Icon)', editable=false)
plotchar(showBear3LS and showMemeChars ? is3LSBearSig : na, char="🍑", color=color.rgb(255, 0, 0, 0),
location=location.abovebar, size=size.tiny, text='3LS-Bear', title='3 Line Strike Down (Meme Icon)', editable=false)
plotshape(showBull3LS and not showMemeChars ? is3LSBullSig : na, style=shape.triangleup,
color=color.green, location=location.belowbar, size=size.small, text='3LS-Bull', title='3 Line Strike Up')
plotshape(showBear3LS and not showMemeChars ? is3LSBearSig : na, style=shape.triangledown,
color=color.red, location=location.abovebar, size=size.small, text='3LS-Bear', title='3 Line Strike Down')
// ### Engulfing Candles
isBullEngulfingSig = isBullishEngulfing()
isBearEngulfingSig = isBearishEngulfing()
plotshape(showBullEngulfing ? isBullEngulfingSig : na, style=shape.triangleup,
location=location.belowbar, color=color.new(color.green,0), size=size.tiny, title='Big Candle Up')
plotshape(showBearEngulfing ? isBearEngulfingSig : na, style=shape.triangledown,
location=location.abovebar, color=color.new(color.red,0), size=size.tiny, title='Big Candle Down')
// -----------------------------------------------------------------------------
// ALERTS
// -----------------------------------------------------------------------------
// 3LS - "Old" alertcondition + "New" alert() (based on what people use)
alertcondition(showBull3LS and is3LSBullSig, title='Bullish 3 Line Strike',
message='{{exchange}}:{{ticker}} {{interval}} - Bullish 3 Line Strike')
alertcondition(showBear3LS and is3LSBearSig, title='Bearish 3 Line Strike',
message='{{exchange}}:{{ticker}} {{interval}} - Bearish 3 Line Strike')
if (showBull3LS and is3LSBullSig)
m = syminfo.tickerid + ' ' + timeframe.period + ' - Bullish 3 Line Strike'
alert(message=str.tostring(m), freq=alert.freq_once_per_bar_close)
if (showBear3LS and is3LSBearSig)
m = syminfo.tickerid + ' ' + timeframe.period + ' - Bearish 3 Line Strike'
alert(message=str.tostring(m), freq=alert.freq_once_per_bar_close)
// Engulfing - "Old" alertcondition + "New" alert()
alertcondition(showBullEngulfing and isBullEngulfingSig, title='Bullish Engulfing',
message='{{exchange}}:{{ticker}} {{interval}} - Bullish candle engulfing previous candle')
alertcondition(showBearEngulfing and isBearEngulfingSig, title='Bearish Engulfing',
message='{{exchange}}:{{ticker}} {{interval}} - Bearish candle engulfing previous candle')
if (showBullEngulfing and isBullEngulfingSig)
m = syminfo.tickerid + ' ' + timeframe.period + ' - Bullish candle engulfing previous candle'
alert(message=str.tostring(m), freq=alert.freq_once_per_bar_close)
if (showBearEngulfing and isBearEngulfingSig)
m = syminfo.tickerid + ' ' + timeframe.period + ' - Bearish candle engulfing previous candle'
alert(message=str.tostring(m), freq=alert.freq_once_per_bar_close)
// -----------------------------------------------------------------------------
// STRATEGY ENTRY ORDERS
// -----------------------------------------------------------------------------
//
// Logic for entering trades. If display is enabled and a signal is detected, a trade will be entered.
//
// 3 Line Strike
if (showBull3LS and is3LSBullSig)
strategy.entry("3LS_Bull", strategy.long, comment="3LS Bullish")
if (showBear3LS and is3LSBearSig)
strategy.entry("3LS_Bear", strategy.short, comment="3LS Bearish")
// Engulfing
if (showBullEngulfing and isBullEngulfingSig)
strategy.entry("BullEngulf", strategy.long, comment="Bullish Engulfing")
if (showBearEngulfing and isBearEngulfingSig)
strategy.entry("BearEngulf", strategy.short, comment="Bearish Engulfing")
//
// End of script