TOS Indicator for Mobius with EMA 8 support

ark.analyst

New member
Hi, I am trying to modify Mobius supertrend indicator with EMA8 support. if paint the candles in GREEN, if mobius UP and close > ema 8, and candles RED, if Mobius DOWN with close < ema 8 , and others GRAY candles (NO ACTION).
See the code snippet below:

Code:
input AtrMult = 1.0;
input nATR = 4;
input AvgType = AverageType.HULL;
input PaintBars = yes;
def ATR = MovingAverage(AvgType, TrueRange(high, close, low), nATR);
def UP = HL2 + (AtrMult * ATR);
def DN = HL2 + (-AtrMult * ATR);
def ST = if close < ST[1] then UP else DN;
plot SuperTrend = ST;

def ema8 = MovAvgExponential(8);

def Pos_State = close > ST and close > ema8;
def Neg_State = close < ST and close < ema8;


SuperTrend.AssignValueColor(if Pos_State then Color.GREEN
                     else if Neg_State then Color.RED
                     else Color.GRAY);
AssignPriceColor(if PaintBars and close < ST and close < ema8

                 then Color.RED

                 else if PaintBars and close > ST and close > ema8

                      then Color.GREEN

                      else Color.GRAY);




While applying the settings, I can see only GREEN and GRAY candles, but not RED.

Can someone help identify the error and point to me ?
 
Solution
Hi, I am trying to modify Mobius supertrend indicator with EMA8 support. if paint the candles in GREEN, if mobius UP and close > ema 8, and candles RED, if Mobius DOWN with close < ema 8 , and others GRAY candles (NO ACTION).
See the code snippet below:

Code:
input AtrMult = 1.0;
input nATR = 4;
input AvgType = AverageType.HULL;
input PaintBars = yes;
def ATR = MovingAverage(AvgType, TrueRange(high, close, low), nATR);
def UP = HL2 + (AtrMult * ATR);
def DN = HL2 + (-AtrMult * ATR);
def ST = if close < ST[1] then UP else DN;
plot SuperTrend = ST;

def ema8 = MovAvgExponential(8);

def Pos_State = close > ST and close > ema8;
def Neg_State = close < ST and close < ema8;


SuperTrend.AssignValueColor(if Pos_State then Color.GREEN...
Hi, I am trying to modify Mobius supertrend indicator with EMA8 support. if paint the candles in GREEN, if mobius UP and close > ema 8, and candles RED, if Mobius DOWN with close < ema 8 , and others GRAY candles (NO ACTION).
See the code snippet below:

Code:
input AtrMult = 1.0;
input nATR = 4;
input AvgType = AverageType.HULL;
input PaintBars = yes;
def ATR = MovingAverage(AvgType, TrueRange(high, close, low), nATR);
def UP = HL2 + (AtrMult * ATR);
def DN = HL2 + (-AtrMult * ATR);
def ST = if close < ST[1] then UP else DN;
plot SuperTrend = ST;

def ema8 = MovAvgExponential(8);

def Pos_State = close > ST and close > ema8;
def Neg_State = close < ST and close < ema8;


SuperTrend.AssignValueColor(if Pos_State then Color.GREEN
                     else if Neg_State then Color.RED
                     else Color.GRAY);
AssignPriceColor(if PaintBars and close < ST and close < ema8

                 then Color.RED

                 else if PaintBars and close > ST and close > ema8

                      then Color.GREEN

                      else Color.GRAY);




While applying the settings, I can see only GREEN and GRAY candles, but not RED.

Can someone help identify the error and point to me ?

you are using MovAvgExponential incorrectly. ema8 is always = to 8 , not an average.
so (close < ema8) is rarely true, unless you are looking at penny stocks.

def ema8 = MovAvgExponential(8);
MovAvgExponential is a study, that requires several parameters.
parameter 1 is a price type.
parameter 2 is a length
parameter 3 is a displace
parameter 4 is show breakouts

you have just 1 parameter, length. which is being interpreted as the 1st parameter, the price type.
so instead of finding the average of the price, it is finding the average of 8, which is 8.

if you had added a price then length, it would work.
def ema8 = MovAvgExponential(close, 8);

https://tlc.thinkorswim.com/center/reference/Tech-Indicators/studies-library/M-N/MovAvgExponential

-------------------------------------------

when you want to find just a number, i would suggest using a function instead of a study.
ExpAverage is a function to return the exponential average.
def ema8 = ExpAverage(close, 8);

https://tlc.thinkorswim.com/center/reference/thinkScript/Functions/Tech-Analysis/ExpAverage

-------------------------------------------

to start debugging this, i made a chartbubble to display some variables

addchartbubble(1, low*0.997,
"P " + pos_State + "\n" +
(close > ST) + "\n" +
(close > ema8) + "\n" +
"N " + Neg_State + "\n" +
(close < ST)+ "\n" +
(close < ema8)
, color.yellow, no);

i noticed the 2nd part of this, close < ema8, is always 0.
def Neg_State = close < ST and close < ema8;

so i made another bubble,
addchartbubble(1, low*0.997, ema8, color.magenta, no);
and it was always 8, not the average of the price.

i changed the ema8 formula, by adding close as the 1st parameter, and it worked.
def ema8 = MovAvgExponential(close, 8);

------------------------------------------

you have assignpricecolor() used twice.
the 1st one is correct, with the plot name before it.
the 2nd one is incorrect, and not needed.

-------------------------------------------

here is another way of assigning colors to a plotted line.

reference the plot name with the color reference, in the assign( formula )
https://tlc.thinkorswim.com/center/reference/thinkScript/Functions/Look---Feel/AssignPriceColor

# plot x =
x.DefineColor("Up", color.green);
x.DefineColor("Down", GetColor(5));
x.AssignValueColor(if abc then x.color("down") else x.color("up"));

notice how the plot name, x. is added in front of the word color.
 
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