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Bollinger Bands Stochastic RSI Extreme

Author: ChaoZhang, Date: 2022-05-31 19:16:17
Tags: RSIBoll

This is the finalized code released to the public that I created in a video linked here.

This indicators combines a Bollinger Band and Stochastic RSI to produce signals for possible price reversal. The signals are displayed by default as green arrows for bullish and red arrows for bearish .

To trigger a signal the indicator checks for the following:

( Bullish ) A candle closes above the upper Bollinger Band The following candle closes within the upper Bollinger Band The RSI Stochastic is below the set threshold (10 by default)

( Bearish ) A candle closes below the lower Bollinger Band The following candle closes within the lower Bollinger Band The RSI Stochastic is above the set threshold (90 by default)

backtest Bollinger Bands Stochastic RSI Extreme

/*backtest
start: 2022-04-30 00:00:00
end: 2022-05-29 23:59:00
period: 15m
basePeriod: 5m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=4
study(shorttitle="BBSR Extreme", title="Bollinger Bands Stochastic RSI Extreme Signal", overlay=true, resolution="")

//General Inputs
src = input(close, title="Source")
offset = input(0, "Offset", type = input.integer, minval = -500, maxval = 500)

//Bollinger Inputs
length = input(20, title="Bollinger Band Length", minval=1)
mult = input(2.0, minval=0.001, maxval=50, title="StdDev")

//Bollinger Code
basis = sma(src, length)
dev = mult * stdev(src, length)
upper = basis + dev
lower = basis - dev
plot(basis, "BB Basis", color=#872323, offset = offset)
p1 = plot(upper, "BB Upper", color=color.teal, offset = offset)
p2 = plot(lower, "BB Lower", color=color.teal, offset = offset)
fill(p1, p2, title = "BB Background", color=#198787, transp=95)


//Stoch Inputs
smoothK = input(3, "K", minval=1)
smoothD = input(3, "D", minval=1)
lengthRSI = input(14, "RSI Length", minval=1)
lengthStoch = input(14, "Stochastic Length", minval=1)

upperlimit = input(90, "Upper Limit", minval=0.01)
lowerlimit = input(10, "Upper Limit", minval=0.01)

//Stochastic Code
rsi1 = rsi(src, lengthRSI)
k = sma(stoch(rsi1, rsi1, rsi1, lengthStoch), smoothK)
d = sma(k, smoothD)

//Evaluation
Bear = close[1] > upper[1] and close < upper
     and k[1] > upperlimit and d[1] > upperlimit
Bull = close[1] < lower[1] and close > lower
     and k[1] < lowerlimit and d[1] < lowerlimit


//Plots
plotshape(Bear, style=shape.triangledown, location=location.abovebar, 
     color=color.red, size=size.tiny)
plotshape(Bull, style=shape.triangleup, location=location.belowbar, 
     color=color.green, size=size.tiny)
 
// Alert Functionality
alertcondition(Bear or Bull, title="Any Signal", message="{{exchange}}:{{ticker}}" + " {{interval}}" + " BB Stochastic Extreme!")
alertcondition(Bear, title="Bearish Signal", message="{{exchange}}:{{ticker}}" + " {{interval}}" + " Bearish BB Stochastic Extreme!")
alertcondition(Bull, title="Bullish Signal", message="{{exchange}}:{{ticker}}" + " {{interval}}" + " Bullish BB Stochastic Extreme!")


if Bear
    strategy.entry("Enter Long", strategy.long)
else if Bull
    strategy.entry("Enter Short", strategy.short)
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