Exponential Hull Moving Average (EHMA) for ThinkorSwim


Well-known member
There was a study somewhere which said that exponential hull ma is best. Here is EHMA for TOS, converted from tradingview.

#exponential hull ma. from #https://www.tradingview.com/script/FOcqi6Ud-Exponential-Hull-Moving-Average-EHMA/
declare upper;
input length =13;
input price = close;

script ehma{
    input price=close; input length=13;
    #HMA = WMA(2*WMA(n/2) − WMA(n)),sqrt(n))
    #EHMA = EMA(2*EMA(n/2) − EMA(n)),sqrt(n))
    plot ehma =
     expaverage((2 * expaverage(price, length / 2))-expaverage(price, length / 2),

plot MVA =ehma(price,length);

MVA.DefineColor( "up", Color.UPTICK );
MVA.DefineColor( "dn", Color.DOWNTICK );
MVA.DefineColor( "def", Color.PLUM );

    if MVA > MVA[1] then MVA.Color( "up" )
    else if MVA < MVA[1] then MVA.Color( "dn" )
    else MVA.Color( "def" ) );


p.s. Dont see anything special about it. yet Another MA.
Last edited by a moderator:
Hmmm I tried to write an EHMA just from the formula. Seems it is different. Need to look at it closer, then will have more info.

Slight difference. Your method orange/green. My method red/green. Made it after reading th same article
Could be rounding up the values. Could be I did it incorrectely. 🤪

# Exponential Hull Moving Avg by Horserider

input price = close;
input length = 100;
input displace = 0;

def halflength = Ceil(length / 2);
def sqrtlength = Ceil(Sqrt(length));
def val = 2 * ExpAverage(price, halflength) - ExpAverage(price, length);

plot HMA = ExpAverage(val, sqrtlength)[-displace];

HMA.DefineColor("UP", Color.GREEN);
HMA.DefineColor("DOWN", Color.RED);

HMA.AssignValueColor(if HMA > HMA[1] then HMA.Color("Up") else HMA.Color("Down"));
These two versions both give later signals than the regular Hull MA.
Sometimes its not about late, but about less false signals. but overall I dont really see point to use it over regular HMA, considering its already built-in into TOS and supported by default
Sometimes its not about late, but about less false signals. but overall I dont really see point to use it over regular HMA, considering its already built-in into TOS and supported by default
In the limited research I did, the late signals would have kept me out of the trade. I agree though that there is no point not to just use the TOS HMA.

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