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Padrões de Swing Highs/Lows & Candles

Autora:ChaoZhang, Data: 2022-05-07 21:12:40
Tags:crescentede baixa

Este script identifica os altos e baixos do swing, bem como o padrão da vela que ocorreu naquele ponto exato. O script pode detectar os seguintes 6 padrões de vela: martelo, martelo inverso, engulf bullish, hanging man, shooting star e engulf bearish.

As notações HH, HL, LH e LL que podem ser vistas nos rótulos são definidas da seguinte forma:

Mais alto, mais alto. HL: Mais alto, mais baixo LH: Baixo alto LL: Baixo baixo

Configuração

Duração: Sensibilidade da detecção de alta/baixa de oscilação, com valores mais baixos a devolver o máximo/mínimo das variações de preço a curto prazo.

Uso e detalhes

Pode ser interessante ver se uma parte superior ou inferior está associada a um padrão específico de vela, isso nos permite estudar o potencial de tal padrão para indicar uma reversão.

Observe que os rótulos são deslocados e aparecerão posteriormente em tempo real, como tal este indicador não destina-se a detectar picos/fundos em tempo real.

Valores de comprimento mais elevados podem retornar erros.

backtest

/*backtest
start: 2021-05-06 00:00:00
end: 2022-05-05 23:59:00
period: 2h
basePeriod: 15m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

// This work is licensed under a Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) https://creativecommons.org/licenses/by-nc-sa/4.0/
// © LuxAlgo

//@version=4
study("Swing Highs/Lows & Candle Patterns",overlay=true)
length = input(21)
//------------------------------------------------------------------------------
o = open[length],h = high[length]
l = low[length],c = close[length]
//------------------------------------------------------------------------------
ph = pivothigh(close,length,length)
pl = pivotlow(open,length,length)
valH = valuewhen(ph,c,0)
valL = valuewhen(pl,c,0)
valpH = valuewhen(ph,c,1)
valpL = valuewhen(pl,c,1)
//------------------------------------------------------------------------------
d = abs(c - o)
hammer = pl and min(o,c) - l > d and h - max(c,o) < d
ihammer = pl and h - max(c,o) > d and min(c,o) - l < d
bulleng = c > o and c[1] < o[1] and c > o[1] and o < c[1]
hanging = ph and min(c,o) - l > d and h - max(o,c) < d
shooting = ph and h - max(o,c) > d and min(c,o) - l < d
beareng = c > o and c[1] < o[1] and c > o[1] and o < c[1]
//------------------------------------------------------------------------------
//Descriptions
//------------------------------------------------------------------------------
hammer_ = "The hammer candlestick pattern is formed of a short body with a long lower wick, and is found at the bottom of a downward trend."
  + "\n" + "\n A hammer shows that although there were selling pressures during the day, ultimately a strong buying pressure drove the price back up." 
ihammer_ = "The inverted hammer is a similar pattern than the hammer pattern. The only difference being that the upper wick is long, while the lower wick is short."
  + "\n" + "\n It indicates a buying pressure, followed by a selling pressure that was not strong enough to drive the market price down. The inverse hammer suggests that buyers will soon have control of the market."
bulleng_ = "The bullish engulfing pattern is formed of two candlesticks. The first candle is a short red body that is completely engulfed by a larger green candle"
  + "\n" + "\n Though the second day opens lower than the first, the bullish market pushes the price up, culminating in an obvious win for buyers"
hanging_ = "The hanging man is the bearish equivalent of a hammer; it has the same shape but forms at the end of an uptrend."
  + "\n" + "It indicates that there was a significant sell-off during the day, but that buyers were able to push the price up again. The large sell-off is often seen as an indication that the bulls are losing control of the market."
shotting_ = "The shooting star is the same shape as the inverted hammer, but is formed in an uptrend: it has a small lower body, and a long upper wick."
  + "\n" + "Usually, the market will gap slightly higher on opening and rally to an intra-day high before closing at a price just above the open – like a star falling to the ground."
beareng_ = "A bearish engulfing pattern occurs at the end of an uptrend. The first candle has a small green body that is engulfed by a subsequent long red candle."
  + "\n" + "It signifies a peak or slowdown of price movement, and is a sign of an impending market downturn. The lower the second candle goes, the more significant the trend is likely to be."
//------------------------------------------------------------------------------
n = bar_index
label lbl = na
H = valH > valpH ? "HH" : valH < valpH ? "LH" : na
L = valL < valpL ? "LL" : valL > valpL ? "HL" : na
txt = hammer ? "Hammer" : ihammer ? "Inverse Hammer" :
  bulleng ? "Bullish Engulfing" : hanging ? "Hanging Man" :
  shooting ? "Shooting Star" : beareng ? "Bearish Engulfing" : "None"
des = hammer ? hammer_ : ihammer ? ihammer_ :
  bulleng ? bulleng_ : hanging ? hanging_ :
  shooting ? shotting_ : beareng ? beareng_ : ""

//------------------------------------------------------------------------------
if ph
    strategy.entry("Enter Long", strategy.long)
else if pl
    strategy.entry("Enter Short", strategy.short)

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