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Alerta cruzada média móvel, multi-tempo (MTF)

Autora:ChaoZhang, Data: 24 de Maio de 2022 11:23:02
Tags:SMAEMAWMA

Veja quando duas médias móveis se cruzam com a opção de escolher entre quatro cálculos de médias móveis:

SMA = média móvel simples EMA = média móvel exponencial (default) WMA = média móvel ponderada Linear = regressão linear

As médias móveis podem ser traçadas a partir de diferentes prazos, como por exemplo, o período semanal ou de 4 horas usando HL2, HLC3 ou OHLC4 como fonte de preço para o cálculo. Além disso, há um alerta de cor de fundo e setas quando as médias móveis se cruzam quando o preço também sobe ou cai. E as médias móveis são coloridas dependendo de sua direção de tendência (se estão tendendo para cima ou para baixo).

backtest

/*backtest
start: 2022-04-23 00:00:00
end: 2022-05-22 23:59:00
period: 15m
basePeriod: 5m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

study("Moving Average Cross Alert, Multi-Timeframe Option (MTF) (by ChartArt)", shorttitle="CA_-_MA_cross", overlay=true)

// ChartArt's Moving Average Cross Indicator
//
// Version 1.0
// Idea by ChartArt on September 15, 2015.
//
// This indicator shows when two moving averages cross.
// With the option to choose between four moving
// average calculations:
// (SMA = simple moving average)
// (EMA = exponential moving average)
// (WMA = weighted moving average)
// (Linear = Linear regression)
//
// The moving averages can be plotted from different
// timeframes, like the weekly or 4 hour timeframe.
// With the possibility to use HL2, HLC3 or OHLC4 prices.
// 
// In addition there is a background color alert
// and arrows when the moving averages cross each other.
// And the moving averages are colored depending if
// they are trending up or down.
//
// List of my work: 
// https://www.tradingview.com/u/ChartArt/

//@version=4
// Multi-timeframe and price input
pricetype = input(close, title="Price Source For The Moving Averages")
useCurrentRes = input(true, title="Use Current Timeframe As Resolution?")
resCustom = input(title="Use Different Timeframe? Then Uncheck The Box Above", defval="W")
res = useCurrentRes ? timeframe.period : resCustom
price = security(syminfo.tickerid, res, pricetype)

// MA period input
shortperiod = input(50, title="Short Period Moving Average")
longperiod = input(100, title="Long Period Moving Average")

// MA calculation
smoothinput = input(2, minval=1, maxval=4, title='Moving Average Calculation: (1 = SMA), (2 = EMA), (3 = WMA), (4 = Linear)')
short = smoothinput == 1 ? sma(price, shortperiod) :
   smoothinput == 2 ? ema(price, shortperiod) :
   smoothinput == 3 ? wma(price, shortperiod) :
   smoothinput == 4 ? linreg(price, shortperiod,0) :
   na
long = smoothinput == 1 ? sma(price, longperiod) :
   smoothinput == 2 ? ema(price, longperiod) :
   smoothinput == 3 ? wma(price, longperiod) :
   smoothinput == 4 ? linreg(price, longperiod,0) :
   na

// MA trend direction color
shortcolor = short > short[1] ? lime : short < short[1] ? red : blue
longcolor = long > long[1] ? lime : long < long[1] ? red : blue

// MA output
MA1 = plot(short, title="Short Period Moving Average", style=linebr, linewidth=2, color=shortcolor)
MA2 = plot(long, title="Long Period Moving Average", style=linebr, linewidth=4, color=longcolor)
fill(MA1, MA2, color=silver, transp=50)

// MA trend bar color
TrendingUp() => short > long 
TrendingDown() => short < long 
barcolor(TrendingUp() ? green : TrendingDown() ? red : blue)

// MA cross alert
MAcrossing = cross(short, long) ? short : na
plot(MAcrossing, style = cross, linewidth = 4,color=black)

// MA cross background color alert
Uptrend() => TrendingUp() and TrendingDown()[1]
Downtrend() => TrendingDown() and TrendingUp()[1]
bgcolor(Uptrend() ? green : Downtrend() ? red : na,transp=50)

// Buy and sell alert
Buy = Uptrend() and close > close[1]
Sell = Downtrend() and close < close[1]
plotshape(Buy, color=black, style=shape.arrowup, text="Buy", location=location.bottom)
plotshape(Sell, color=black, style=shape.arrowdown, text="Sell", location=location.top)


if Buy
    strategy.entry("Enter Long", strategy.long)
else if Sell
    strategy.entry("Enter Short", strategy.short)

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