check the be below
#// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
#// © RafaelZioni
#study(title = "SuperTREX", overlay = true)
# converted and modifiedTrueRange by Sam4Cok@Samer800 - 02/2023
input ShowBubbles = yes;
input ShowCloud = yes;
input ShowTrendLine = yes;
input price = close;
input RsiLength = 16;
input overBought = 60;
input overSold = 39;
input st_mult = 4.04; # 'SuperTrend Multiplier'
input st_period = 10; # 'SuperTrend Period'
def na = Double.NaN;
script nz {
input data = close;
input repl = 0;
def ret_val = if isNaN(data) then repl else data;
plot return = ret_val;
}
def vrsi = RSI(Price = price, Length = RsiLength);
def long = Crosses(vrsi, overSold, CrossingDirection.ABOVE);
def short = Crosses(vrsi, overBought, CrossingDirection.BELOW);
def last_open_long;# = na
def last_open_short;# = na
last_open_long = if long then price else nz(last_open_long[1],price);
last_open_short = if short then price else nz(last_open_short[1],price);
def entry_value = last_open_long;
def entry_value1 = last_open_short;
def xy=(entry_value + entry_value)/2;
#// CALCULATIONS //
def Multi = st_mult * atr(Length=st_period);
def up_lev = xy - Multi;
def dn_lev = xy + Multi;
def up_trend; def down_trend;
up_trend = if entry_value[1] > nz(up_trend[1], price) then max(up_lev, up_trend[1]) else up_lev;
down_trend = if entry_value1[1] < nz(down_trend[1],price) then min(dn_lev, down_trend[1]) else dn_lev;
#// Calculate trend var
def trend1;
trend1 = if price > down_trend[1] then 1 else if price < up_trend[1] then -1 else nz(trend1[1],1);
def trend = nz(trend1,1);
#// Calculate SuperTrend Line
def st_line = if trend ==1 then up_trend else down_trend;
plot Uptrend = if ShowTrendLine and trend ==1 then st_line else na;
Uptrend.SetDefaultColor(Color.GREEN);
plot Dntrend = if ShowTrendLine and trend !=1 then st_line else na;
Dntrend.SetDefaultColor(Color.RED);
plot Line = xy;#,color = trend == 1 ? color.green : color.red)
Line.SetPaintingStrategy(PaintingStrategy.POINTS);
Line.AssignValueColor( if trend==1 then Color.GREEN else Color.RED);
def buy = crosses(xy, st_line, CrossingDirection.ABOVE);
def sell = crosses(xy, st_line, CrossingDirection.BELOW);
AddChartBubble(ShowBubbles and buy, low, "B", color.green, no);
AddChartBubble(ShowBubbles and sell, high, "S", color.red, yes);
AddCloud(if ShowCloud and trend==1 then ohlc4 else na,xy,Color.DARK_GREEN);
AddCloud(if ShowCloud and trend!=1 then xy else na, ohlc4,Color.DARK_RED);
#---- END CODEBig up Samer
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