Estratégia de negociação de padrões de velas

Autora:ChaoZhang, Data: 2024-02-19 15:07:33
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Resumo

Esta é uma estratégia de negociação automática baseada em padrões de velas. A estratégia identifica vários sinais de padrões de velas e entra em posições quando as condições do padrão são atendidas, com stop loss, take profit e trailing stop configurados para controlar riscos.

Estratégia lógica

A estratégia identifica principalmente os seguintes padrões de velas como sinais de entrada: padrão de engulfamento, padrão harami, linha penetrante / cobertura de nuvens escuras, estrela da manhã / estrela da noite, padrão de retenção do cinto, padrão de três soldados brancos / três corvos negros, três estrelas no padrão sul, etc. Ele fica longo quando os sinais de alta são detectados e fica curto quando os sinais de baixa são detectados.

Além disso, o stop loss, o take profit e o trailing stop são configurados para controle de risco. Especificamente, o stop loss é definido em uma certa porcentagem abaixo do preço de entrada, o take profit tem como alvo certos pips acima do preço de entrada e o trailing stop trails em um certo nível dinâmico acima da entrada. Isso efetivamente evita perdas além do valor aceitável.

Vale a pena notar que todas as posições são fechadas fora da sessão de negociação definida na estratégia, eliminando os riscos overnight.

Análise das vantagens

A maior vantagem desta estratégia reside no uso de padrões de velas, um indicador técnico eficaz, para determinar as entradas.

Outra vantagem são os mecanismos abrangentes de controlo de riscos em vigor.

Por último, a estratégia é flexível em termos de execução, ajustando os parâmetros de padrão e os parâmetros de controlo de risco para se adequarem aos diferentes instrumentos e preferências de negociação.

Análise de riscos

O maior risco desta estratégia vem da instabilidade inerente dos próprios padrões de velas como indicadores técnicos.

Além disso, não há relações causais entre as formações de velas e as ações de preços subsequentes.

A combinação de padrões de velas com outros indicadores mais estáveis também pode ajudar a evitar riscos potenciais resultantes da dependência exclusiva de padrões técnicos.

Orientações de otimização

Dadas as limitações dos padrões de velas, combiná-los com indicadores mais robustos como Bandas de Bollinger, médias móveis para tendência ou osciladores como RSI e MACD pode valer a pena melhorar o tempo de entrada e a qualidade do sinal.

Outra direção de otimização prospectiva é utilizar modelos de aprendizado de máquina treinados em grandes dados históricos para descobrir relações estatísticas entre padrões e movimentos reais de preços, melhorando a precisão do sinal do padrão.

Por último, esta estratégia poderia servir de quadro para ser atualizada com algoritmos mais sofisticados para a negociação de alta frequência, por exemplo, métodos de stop loss mais delicados, modelagem complexa com mais interfaces de dados através de linguagens avançadas.

Conclusão

Em conclusão, esta é uma estratégia que vale a pena testar ao vivo, usando padrões eficientes de velas para entradas de sinal, com uma lógica abrangente de stop loss / take profit / trailing stop que controla riscos.

/*backtest
start: 2024-01-01 00:00:00
end: 2024-01-31 23:59:59
period: 4h
basePeriod: 15m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=4

//DanyChe
//The script allows you to test popular candlestick patterns on various instruments and timeframes. In addition, you can configure risk management (if the value is zero, it means the function is disabled), and you can also specify the time of the trading session (for example, so that the positions are not transferred to the next day). 
//The author is grateful to JayRogers and Phi35, their code examples helped a lot in writing the strategy.
strategy("Candle Patterns Strategy", shorttitle="CPS", overlay=true)

//--- Patterns Input ---

OnEngulfing = input(defval=true, title="Engulfing")
OnHarami = input(defval=true, title="Harami")
OnPiercingLine = input(defval=true, title="Piercing Line / Dark Cloud Cover")
OnMorningStar = input(defval=true, title="Morning Star / Evening Star ")
OnBeltHold = input(defval=true, title="Belt Hold")
OnThreeWhiteSoldiers = input(defval=true, title="Three White Soldiers / Three Black Crows")
OnThreeStarsInTheSouth = input(defval=true, title="Three Stars in the South")
OnStickSandwich = input(defval=true, title="Stick Sandwich")
OnMeetingLine = input(defval=true, title="Meeting Line")
OnKicking = input(defval=true, title="Kicking")
OnLadderBottom = input(defval=true, title="Ladder Bottom")

//--- Risk Management Input ---

inpsl = input(defval = 100, title="Stop Loss", minval = 0)
inptp = input(defval = 1000, title="Take Profit", minval = 0)
inptrail = input(defval = 40, title="Trailing Stop", minval = 0)
// If the zero value is set for stop loss, take profit or trailing stop, then the function is disabled
sl = inpsl >= 1 ? inpsl : na
tp = inptp >= 1 ? inptp : na
trail = inptrail >= 1 ? inptrail : na

//--- Session Input ---

sess = input(defval = "0000-0000", title="Trading session")
t = time('240', sess)
session_open = na(t) ? false : true

// --- Candlestick Patterns ---

//Engulfing 
bullish_engulfing = high[0]>high[1] and low[0]<low[1] and open[0]<open[1] and close[0]>close[1] and close[0]>open[0] and close[1]<close[2] and close[0]>open[1] ? OnEngulfing : na
bearish_engulfing = high[0]>high[1] and low[0]<low[1] and open[0]>open[1] and close[0]<close[1] and close[0]<open[0] and close[1]>close[2] and close[0]<open[1] ? OnEngulfing : na

//Harami
bullish_harami =  open[1]>close[1] and close[1]<close[2] and open[0]>close[1] and open[0]<open[1] and close[0]>close[1] and close[0]<open[1] and high[0]<high[1] and low[0]>low[1] and close[0]>=open[0] ? OnHarami : na
bearish_harami =   open[1]<close[1] and close[1]>close[2] and open[0]<close[1] and open[0]>open[1] and close[0]<close[1] and close[0]>open[1] and high[0]<high[1] and low[0]>low[1] and close[0]<=open[0] ? OnHarami : na

//Piercing Line/Dark Cloud Cover 
piercing_line = close[2]>close[1] and open[0]<low[1] and close[0]>avg(open[1],close[1]) and close[0]<open[1] ? OnPiercingLine : na
dark_cloud_cover = close[2]<close[1] and open[0]>high[1] and close[0]<avg(open[1],close[1]) and close[0]>open[1] ? OnPiercingLine : na

//Morning Star/Evening Star
morning_star = close[3]>close[2] and close[2]<open[2] and open[1]<close[2] and close[1]<close[2] and open[0]>open[1] and open[0]>close[1] and close[0]>close[2] and open[2]-close[2]>close[0]-open[0] ? OnMorningStar : na
evening_star = close[3]<close[2] and close[2]>open[2] and open[1]>close[2] and close[1]>close[2] and open[0]<open[1] and open[0]<close[1] and close[0]<close[2] and close[2]-open[2]>open[0]-close[0] ? OnMorningStar : na

//Belt Hold
bullish_belt_hold = close[1]<open[1] and low[1]>open[0] and close[1]>open[0] and open[0]==low[0] and close[0]>avg(close[0],open[0]) ? OnBeltHold :na
bearish_belt_hold =  close[1]>open[1] and high[1]<open[0] and close[1]<open[0] and open[0]==high[0] and close[0]<avg(close[0],open[0]) ? OnBeltHold :na

//Three White Soldiers/Three Black Crows 
three_white_soldiers = close[3]<open[3] and open[2]<close[3] and close[2]>avg(close[2],open[2]) and open[1]>open[2] and open[1]<close[2] and close[1]>avg(close[1],open[1]) and open[0]>open[1] and open[0]<close[1] and close[0]>avg(close[0],open[0]) and high[1]>high[2] and high[0]>high[1] ? OnThreeWhiteSoldiers : na
three_black_crows =  close[3]>open[3] and open[2]>close[3] and close[2]<avg(close[2],open[2]) and open[1]<open[2] and open[1]>close[2] and close[1]<avg(close[1],open[1]) and open[0]<open[1] and open[0]>close[1] and close[0]<avg(close[0],open[0]) and low[1]<low[2] and low[0]<low[1] ? OnThreeWhiteSoldiers : na

//Three Stars in the South
three_stars_in_the_south = open[3]>close[3] and open[2]>close[2] and open[2]==high[2] and open[1]>close[1] and open[1]<open[2] and open[1]>close[2] and low[1]>low[2] and open[1]==high[1] and open[0]>close[0] and open[0]<open[1] and open[0]>close[1] and open[0]==high[0] and close[0]==low[0] and close[0]>=low[1] ? OnThreeStarsInTheSouth : na

//Stick Sandwich
stick_sandwich = open[2]>close[2] and open[1]>close[2] and open[1]<close[1] and open[0]>close[1] and open[0]>close[0] and close[0]==close[2] ? OnStickSandwich : na

//Meeting Line 
bullish_ml = open[2]>close[2] and open[1]>close[1] and close[1]==close[0] and open[0]<close[0] and open[1]>=high[0] ? OnMeetingLine : na
bearish_ml = open[2]<close[2] and open[1]<close[1] and close[1]==close[0] and open[0]>close[0] and open[1]<=low[0] ? OnMeetingLine : na

//Kicking 
bullish_kicking =  open[1]>close[1] and open[1]==high[1] and close[1]==low[1] and open[0]>open[1] and open[0]==low[0] and close[0]==high[0] and close[0]-open[0]>open[1]-close[1] ? OnKicking : na
bearish_kicking = open[1]<close[1] and open[1]==low[1] and close[1]==high[1] and open[0]<open[1] and open[0]==high[0] and close[0]==low[0] and open[0]-close[0]>close[1]-open[1] ? OnKicking : na

//Ladder Bottom
ladder_bottom = open[4]>close[4] and open[3]>close[3] and open[3]<open[4] and open[2]>close[2] and open[2]<open[3] and open[1]>close[1] and open[1]<open[2] and open[0]<close[0] and open[0]>open[1] and low[4]>low[3] and low[3]>low[2] and low[2]>low[1] ? OnLadderBottom : na

// ---Plotting ---

plotshape(bullish_engulfing, text='Engulfing', style=shape.triangleup, color=#1FADA2, editable=true, title="Bullish Engulfing Text")
plotshape(bearish_engulfing,text='Engulfing', style=shape.triangledown, color=#F35A54, editable=true, title="Bearish Engulfing Text")
plotshape(bullish_harami,text='Harami', style=shape.triangleup, color=#1FADA2, editable=true, title="Bullish Harami Text")
plotshape(bearish_harami,text='Harami', style=shape.triangledown, color=#F35A54, editable=true, title="BEarish Harami Text")
plotshape(piercing_line,text='Piercing Line', style=shape.triangleup, color=#1FADA2, editable=false)
plotshape(dark_cloud_cover,text='Dark Cloud Cover', style=shape.triangledown, color=#F35A54, editable=false)
plotshape(morning_star,text='Morning Star', style=shape.triangleup, color=#1FADA2, editable=false)
plotshape(evening_star,text='Evening Star', style=shape.triangledown, color=#F35A54, editable=false)
plotshape(bullish_belt_hold,text='Belt Hold', style=shape.triangleup, color=#1FADA2, editable=false)    
plotshape(bearish_belt_hold,text='Belt Hold', style=shape.triangledown, color=#F35A54, editable=false)
plotshape(three_white_soldiers,text='Three White Soldiers', style=shape.triangleup, color=#1FADA2, editable=false)
plotshape(three_black_crows,text='Three Black Crows', style=shape.triangledown, color=#F35A54, editable=false)
plotshape(three_stars_in_the_south,text='3 Stars South', style=shape.triangleup, color=#1FADA2, editable=false)
plotshape(stick_sandwich,text='Stick Sandwich', style=shape.triangleup, color=#1FADA2, editable=false)
plotshape(bullish_ml,text='Meeting Line', style=shape.triangleup, color=#1FADA2, editable=false)
plotshape(bearish_ml,text='Meeting Line', style=shape.triangledown, color=#F35A54, editable=false)
plotshape(bullish_kicking,text='Kicking', style=shape.triangleup, color=#1FADA2, editable=false)
plotshape(bearish_kicking,text='Kicking', style=shape.triangledown, color=#F35A54, editable=false)
plotshape(ladder_bottom,text='Ladder Bottom', style=shape.triangleup, color=#1FADA2, editable=false)

// --- STRATEGY ---

SignalUp = bullish_engulfing or bullish_harami or piercing_line or morning_star or bullish_belt_hold or three_white_soldiers or three_stars_in_the_south or stick_sandwich or bullish_ml or bullish_kicking or ladder_bottom
SignalDown = bearish_engulfing or bearish_harami or dark_cloud_cover or evening_star or bearish_belt_hold or three_black_crows or bearish_ml or bearish_kicking

strategy.entry("long", true, when = SignalUp and session_open)
strategy.entry("short", false, when = SignalDown and session_open)
strategy.close("long", when = not session_open)
strategy.close("short", when = not session_open)
strategy.exit("Risk Exit long", from_entry = "long", profit = tp, trail_points = trail, loss = sl)
strategy.exit("Risk Exit short", from_entry = "short", profit = tp, trail_points = trail, loss = sl )

Mais.