RSI Divergence Indicator (with alerts)

本页源码来自 TradingView 公开发布的开源脚本，版权归原作者所有， 请遵循其原始许可（Pine 脚本常见 CC BY-NC-SA / MPL-2.0 / MIT）。 本项目仅用于研究检索与许可范围内的移植。

Pine Script

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © mohanee
//@version=4
 
 
study(title="RSI Divergence Indicator (with alerts)", shorttitle="RSI Divergence Indicator", overlay=false)
 
len = input(title="RSI Period", minval=1, defval=5)
src = input(title="RSI Source", defval=close)
lbR = input(title="Pivot Lookback Right", defval=3)
lbL = input(title="Pivot Lookback Left", defval=1)
takeProfitRSILevel = input(title="Take Profit at RSI Level", minval=70, defval=75)
 
int longPos=0   //initialize lonposition value
 
rangeUpper = input(title="Max of Lookback Range", defval=60)
rangeLower = input(title="Min of Lookback Range", defval=5)
plotBull = input(title="Plot Bullish", defval=true)
plotHiddenBull = input(title="Plot Hidden Bullish", defval=true)
plotBear = input(title="Plot Bearish", defval=true)
plotHiddenBear = input(title="Plot Hidden Bearish", defval=false)
 
 
bearColor = color.purple
bullColor = color.green
hiddenBullColor = color.new(color.green, 80)
hiddenBearColor = color.new(color.red, 80)
textColor = color.white
noneColor = color.new(color.white, 100)
 
osc = rsi(src, len)
 
plot(osc, title="RSI", linewidth=2, color=#8D1699)
hline(50, title="Middle Line", linestyle=hline.style_dotted)
obLevel = hline(70, title="Overbought", linestyle=hline.style_dotted)
osLevel = hline(30, title="Oversold", linestyle=hline.style_dotted)
fill(obLevel, osLevel, title="Background", color=#9915FF, transp=90)
 
plFound = na(pivotlow(osc, lbL, lbR)) ? false : true
phFound = na(pivothigh(osc, lbL, lbR)) ? false : true
 
_inRange(cond) =>
    bars = barssince(cond == true)
    rangeLower <= bars and bars <= rangeUpper
 
//------------------------------------------------------------------------------
// Regular Bullish
 
// Osc: Higher Low
oscHL = osc[lbR] > valuewhen(plFound, osc[lbR], 1) and _inRange(plFound[1])
 
// Price: Lower Low
priceLL = low[lbR] < valuewhen(plFound, low[lbR], 1)
 
bullCond = plotBull and priceLL and oscHL and plFound
 
plot(
	 plFound ? osc[lbR] : na,
	 offset=-lbR,
	 title="Regular Bullish",
	 linewidth=2,
	 color=(bullCond ? bullColor : noneColor),
	 transp=0
	 )
 
 
plotshape(
	 bullCond ? osc[lbR] : na,
	 offset=-lbR,
	 title="Regular Bullish Label",
	 text=" Bull ",
	 style=shape.labelup,
	 location=location.absolute,
	 color=bullColor,
	 textcolor=textColor,
	 transp=0
	 )
 
//------------------------------------------------------------------------------
// Hidden Bullish
 
// Osc: Lower Low
oscLL = osc[lbR] < valuewhen(plFound, osc[lbR], 1) and _inRange(plFound[1])
 
// Price: Higher Low
priceHL = low[lbR] > valuewhen(plFound, low[lbR], 1)
 
hiddenBullCond = plotHiddenBull and priceHL and oscLL and plFound
 
plot(
	 plFound ? osc[lbR] : na,
	 offset=-lbR,
	 title="Hidden Bullish",
	 linewidth=2,
	 color=(hiddenBullCond ? hiddenBullColor : noneColor),
	 transp=0
	 )
 
plotshape(
	 hiddenBullCond ? osc[lbR] : na,
	 offset=-lbR,
	 title="Hidden Bullish Label",
	 text=" H Bull ",
	 style=shape.labelup,
	 location=location.absolute,
	 color=bullColor,
	 textcolor=textColor,
	 transp=0
	 )
 
longCondition=bullCond or hiddenBullCond
//? osc[lbR] : na  
//hiddenBullCond
//strategy.entry(id="RSIDivLE", long=true,  when=longCondition)
 
 
 
alertcondition(longCondition, title="RSIDiv BUY ENTRY", message="RSIDiv BUY ENTRY")
 
longPos:= longCondition?(longPos+1):longPos
 
//barcolor(longCondition ?  color.yellow: na )
//plotshape(longCondition?close:na, style=shape.arrowup,text="BUY", color=color.purple,transp=10, location=location.bottom)
 
 
//------------------------------------------------------------------------------
// Regular Bearish
 
// Osc: Lower High
oscLH = osc[lbR] < valuewhen(phFound, osc[lbR], 1) and _inRange(phFound[1])
 
// Price: Higher High
priceHH = high[lbR] > valuewhen(phFound, high[lbR], 1)
 
bearCond = plotBear and priceHH and oscLH and phFound
 
plot(
	 phFound ? osc[lbR] : na,
	 offset=-lbR,
	 title="Regular Bearish",
	 linewidth=2,
	 color=(bearCond ? bearColor : noneColor),
	 transp=0
	 )
 
plotshape(
	 bearCond ? osc[lbR] : na,
	 offset=-lbR,
	 title="Regular Bearish Label",
	 text=" Bear ",
	 style=shape.labeldown,
	 location=location.absolute,
	 color=bearColor,
	 textcolor=textColor,
	 transp=0
	 )
 
//------------------------------------------------------------------------------
// Hidden Bearish
 
// Osc: Higher High
oscHH = osc[lbR] > valuewhen(phFound, osc[lbR], 1) and _inRange(phFound[1])
 
// Price: Lower High
priceLH = high[lbR] < valuewhen(phFound, high[lbR], 1)
 
hiddenBearCond = plotHiddenBear and priceLH and oscHH and phFound
 
plot(
	 phFound ? osc[lbR] : na,
	 offset=-lbR,
	 title="Hidden Bearish",
	 linewidth=2,
	 color=(hiddenBearCond ? hiddenBearColor : noneColor),
	 transp=0
	 )
 
plotshape(
	 hiddenBearCond ? osc[lbR] : na,
	 offset=-lbR,
	 title="Hidden Bearish Label",
	 text=" H Bear ",
	 style=shape.labeldown,
	 location=location.absolute,
	 color=bearColor,
	 textcolor=textColor,
	 transp=0
	 )
 
longCloseCondition=(crossover(osc,takeProfitRSILevel) or bearCond)
 
//strategy.close(id="RSIDivLE",  when=longCloseCondition)
 
alertcondition(longCloseCondition, title="RSIDiv BUY EXIT", message="RSIDiv BUY EXIT")
 
//===
pos = longCondition==true? 1 : longCloseCondition==true ? -1 :  close<open ? -2 : 0
 
barcolor(pos == -1 ? color.purple: pos == 1 ? color.yellow : pos == -2 ? color.red : color.green   )  
//===
//barcolor(longCloseCondition==true ? color.purple : na, offset=0)
//plotshape(longCloseCondition and longPos>=1 ?close:na, style=shape.arrowdown,text="CLOSE", color=color.purple,transp=10, location=location.abovebar)
 
longPos:= longCloseCondition ? (longPos-1) : longPos  //reset the Buy position

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