Chande Variable Moving Average Indicator for ThinkorSwim

skynetgen

Well-known member
TOS has built in variable MA , however what I wanted is flatter ma in case of chop. One from tradingview by lazybear fit the bill.
https://www.tradingview.com/script/6Ix0E5Yr-Variable-Moving-Average-LazyBear/here its adaption for TOS
https://tos.mx/yANqUy
Code:
Code:
#added coloration
# formula from lazy bear #https://www.tradingview.com/script/HT99VkZb-Variable-Moving-Average-Bands-LazyBear/

input price = close;
input length = 13;

script VMA
{
input price=close;
input length=13;
def k = 1.0/length;
def src=if isnan(price[1]) then 0 else price;
def pdm = max((src - src[1]), 0);
def mdm = max((src[1] - src), 0);
def pdmS = if isnan(pdms[1]) then k*pdm else ((1 - k)*(pdmS[1]) + k*pdm);
def mdmS = if isnan(mdms[1]) then k*mdm else ((1 - k)*(mdmS[1]) + k*mdm);
def s = pdmS + mdmS;
def pdi = pdmS/s; def mdi = mdmS/s;
def pdiS = if isnan(pdis[1]) then k*pdi else ((1 - k)*(pdiS[1]) + k*pdi);
def mdiS = if isnan(mdis[1]) then k*mdi else ((1 - k)*(mdiS[1]) + k*mdi);
def d = absvalue(pdiS - mdiS);
def s1 = pdiS + mdiS;
def iS = if isnan(is[1]) then  k*d/s1 else ((1 - k)*(iS[1]) + k*d/s1);
def hhv = highest(iS, length);
def llv = lowest(iS, length) ;
def d1 = hhv - llv;
def vI = (iS - llv)/d1;
def val= if isnan(val[1]) then k*vI*src else (1 - k*vI)*(val[1]) + k*vI*src;
plot vma=val;
};


plot pVMA = vma(price,length);
pVMA.assignValueColor(if pvma>pvma[1] then color.blue
         else if   pvma<pvma[1] then color.orange
         else color.gray);
pvma.setlineWeight(3);

Fixed some bugs
 
Last edited:

markos

Well-known member
VIP
@skynetgen if you so choose, put Chande in front of the VMA Title. Otherwise others may think it's just another one of "those" and not open the thread. This is a great indicator. Thank you for translating...
 

diazlaz

Well-known member
2019 Donor
VIP
@skynetgen this looks great. need to try. so in the particular configuration, blue = long, yellow/orange = short, and gray is neutral.

could be a great chop reducer with a 9 length/1 minute.
 
Last edited by a moderator:

MerryDay

Administrative
Staff member
Staff
VIP
Lifetime

petergluis

Active member
Ruby:
#https://www.tradingview.com/script/6Ix0E5Yr-Variable-Moving-Average-LazyBear/
def src = close;
def l = 6;
def std = no;
def bc = no;
def k = 1.0 / l;
script nz {
    input data = 0;
    def ret_val = if IsNaN(data) then 0 else data;
    plot return = ret_val;
}
def pdm = Max((src - src[1]), 0);
def mdm = Max((src[1] - src), 0);
def pdmS = ((1 - k) * nz(pdmS[1]) + k * pdm);
def mdmS = ((1 - k) * nz(mdmS[1]) + k * mdm);
def s = pdmS + mdmS;
def pdi = pdmS / s;
def mdi = mdmS / s;
def pdiS = ((1 - k) * nz(pdiS[1]) + k * pdi);
def mdiS = ((1 - k) * nz(mdiS[1]) + k * mdi);
def d = AbsValue(pdiS - mdiS);
def s1 = pdiS + mdiS;
def iS = ((1 - k) * nz(iS[1]) + k * d / s1);
def hhv = Highest(iS, l);
def llv = Lowest(iS, l);
def d1 = hhv - llv;
def vI = (iS - llv) / d1;
def vma = (1 - k * vI) * nz(vma[1]) + k * vI * src;
plot line = vma;
line.AssignValueColor(if line> line[1] then Color.GREEN else if line <line[1] then Color.MAGENTA else color.gray);
line.SetLineWeight(4);
 

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