متحرک ریگریشن چینل کی حکمت عملی

/*backtest
start: 2024-01-01 00:00:00
end: 2024-01-31 23:59:59
period: 2h
basePeriod: 15m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=5
strategy("Estratégia de Regressão Linear", shorttitle="Regressão Linear Estratégia", overlay=true, initial_capital = 100, default_qty_value = 10, default_qty_type = strategy.percent_of_equity)

// média móvel exponencial para definição de regressao linear
var SlopeEMASize = input.int(defval = 21, title = "Slope EMA" )
// ema_length = 21
slope_ema = ta.ema(close, SlopeEMASize)

// média móvel exponencial para definição de nivel de stop
var StopEMASize = input.int(defval = 13, title = "Stop EMA" )
stop_ema = ta.ema(close, StopEMASize)

// Variáveis para controle de posição
var float long_stop_level = na
var float long_entry_level = na
var bool long_signal = false
var bool long_order_open = false
var int long_order_id = 0


var float short_stop_level = na
var float short_entry_level = na
var bool short_signal = false
var bool short_order_open = false
var int short_order_id = 0

// Regressão linear para uso como sinal de entrada 
var SlopeLenght = input.int(defval = 21, title = "Slope Lenght" )
entry_signal = ta.linreg(slope_ema, SlopeLenght, 0)

//Variaveis com a indicação do pivot da regressao
long_entry_signal = ta.crossover(entry_signal, entry_signal[1])
short_entry_signal = ta.crossunder(entry_signal, entry_signal[1])

// Condição de entrada (reversão da regressão)
if long_entry_signal
    long_signal := true
    short_signal := false
    long_entry_level := high
    long_stop_level := low

if short_entry_signal
    short_signal := true
    long_signal := false
    short_entry_level := low
    short_stop_level := high


// Indica quando o preço cruzou o nível de stop 
price_cross_stop_ema_up = ta.crossover(close, stop_ema)
price_cross_stop_ema_down = ta.crossunder(close, stop_ema)

// Mover o stop quando o preço cruzar a nível stop e operação long ativa
if long_signal and long_order_open and price_cross_stop_ema_down
    if low > long_entry_level
        long_stop_level := high

// Mover o stop quando o preço cruzar a nível stop e operação short ativa
if short_signal and short_order_open and price_cross_stop_ema_up
    if high < short_stop_level
        short_stop_level := low

// Sair da posição se houver nova reversão da regressão
if long_order_open or short_order_open
    if long_entry_signal //and short_order_open
        strategy.close(str.tostring(short_order_id), comment ="Inversão Sinal("+str.tostring(short_order_id)+")")
        short_order_open:= false
    if short_entry_signal //and long_order_open
        strategy.close(str.tostring(long_order_id), comment = "Inversão Sinal("+str.tostring(long_order_id)+")")
        long_order_open:=false

// Sinais de compra e venda com base no stop
if long_signal and close > long_entry_level and not long_order_open
    if strategy.opentrades != 0
        strategy.cancel_all()

    long_order_id+=1
    // strategy.order(str.tostring(long_order_id), strategy.long, comment="Open Long("+str.tostring(long_order_id)+")", limit = long_entry_level) 
    strategy.entry(str.tostring(long_order_id), strategy.long, comment="Open Long("+str.tostring(long_order_id)+")", limit = long_entry_level)
    long_order_open := true
    // log.info("Open Long:"+str.tostring(long_order_id))

if short_signal and close < short_entry_level and not short_order_open
    if strategy.opentrades != 0
        strategy.cancel_all()

    short_order_id+=1
    // strategy.order(str.tostring(short_order_id), strategy.short, comment="Open Short("+str.tostring(short_order_id)+")", limit = short_entry_level)
    strategy.entry(str.tostring(short_order_id), strategy.short, comment="Open Short("+str.tostring(short_order_id)+")", limit = short_entry_level)
    short_order_open := true
    // log.info("Open Short:"+str.tostring(short_order_id))

// Sinais de compra e venda com base no stop
if long_signal and close < long_stop_level and long_order_open
    strategy.close(str.tostring(long_order_id), comment = "Stop Atingido("+str.tostring(long_order_id)+")", immediately = true)
    long_order_open := false

if short_signal and close > short_stop_level and short_order_open
    strategy.close(str.tostring(short_order_id),comment = "Stop Atingido("+str.tostring(short_order_id)+")", immediately = true)
    short_order_open := false

// Plotagem da regressão e do stop

plot(stop_ema, title="Stop Signal", color=color.red)
plot(entry_signal,"Entry Signal", linewidth = 5, color = color.rgb(155, 0, 140))

plotshape(long_order_open?long_stop_level:na, title = "Long Stop Level", color = color.green, location = location.absolute)
plotshape(long_order_open?long_entry_level:na, title="Long Entry Value",location=location.absolute, color = color.green, style = shape.circle)
plotshape(series=long_entry_signal, title="Long Signal", location=location.abovebar, color=color.green, style=shape.triangleup, size=size.small, text = "Long Signal")

plotshape(short_order_open?short_stop_level:na, title = "Short Stop Level", color = color.red, location = location.absolute)
plotshape(short_order_open?short_entry_level:na, title="Short Entry Value",location=location.absolute, color = color.red, style = shape.circle)

plotshape(series=short_entry_signal, title="Short Signal", location=location.belowbar, color=color.red, style=shape.triangledown, size=size.small, text="Short Signal")