Conversion of indicator Volume SuperTrend AI from the TradingView platform
- This topic has 22 replies, 6 voices, and was last updated 1 month ago by
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Hi!
Here it’s.123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142//inputs// ~~ Input settings for K and N valuesk = 3 // Neighbors 1 to 100m = 10 // Datan = max(k,m)// ~~ Input settings for prediction valuesKNNPriceLen = 20 // Price Trend 2 - 500 step 10KNNSTlen = 100 // Prediction Trend 2 - 500 step 10aisignals = 1 // Boolean AI Trend Signals// ~~ Define SuperTrend parameterslen = 10 // Lengthfactor = 3.0 // step 0.1maSrc = 0 // MaType// ~~ Calculate the SuperTrend based on the user's choicevwma = average[len,maSrc](close*volume)/average[len,maSrc](volume)atr = averagetruerange[len](close)upperband = vwma + factor*atrlowerband = vwma - factor*atrif barindex < len thenupperband = closelowerband = closedirection = 1else//Redefine upperbandif upperband < upperband[1] or close[1] > upperband[1] thenupperband = upperbandelseupperband = upperband[1]endif//Redefine lowerbandif lowerband > lowerband[1] or close[1] < lowerband[1] thenlowerdband = lowerbandelselowerband = lowerband[1]endif//Define upperbandprevSupertrend = mysuperTrend[1]if prevSupertrend = upperband[1] thenif close > upperband thendirection = -1elsedirection = 1endifelseif close < lowerband thendirection = 1elsedirecton = -1endifendifendifif direction = -1 thenmysupertrend = lowerbandelsemysupertrend = upperbandendif// ~~ Collect data points and their corresponding labelsmyprice = WeightedAverage[KNNPriceLen](close)sT = WeightedAverage[kNNSTlen](mysupertrend)for i=0 to n-1 do$data[i]=mysupertrend[i]if myprice[i] > sT[i] then$labels[i] = 1else$labels[i] = 0endifnext// ~~ Classify the current data pointcurrentsuperTrend = mysuperTrend//label = knn_weighted(data, labels, k, current_superTrend)// Compute distances from the current point to all other pointsn1 = lastset($data)for i = 0 to n1-1 do$distances[i] = abs(currentsuperTrend[i]-$data[i])$indices[i] = inext// Sort distances and corresponding indices in ascending order// Bubble sort methodfor i=0 to n1-2 dofor j=0 to n1-i-2 doif $distances[j]>$distances[j+1] thentempDist = $distances[j]$distances[j]=$distances[j+1]$distances[j+1]=tempDisttempindex = $indices[j]$indices[j]=$indices[j+1]$indices[j+1]=tempindexendifnextnext// Compute weighted sum of labels of the k nearest neighborsweightedsum=0totalweight=0for i=0 to k-1 domyindex = $indices[i]labeli = $labels[i]weighti = 1 / ($distances[i]+pow(10,-6) )weightedsum = weighti*labeli+weightedsumtotalweight = weighti+totalweightnextlabel = floor(weightedsum / totalweight,2)// ~~ Plotif label = 1 thenr=0g=250b=0elsif label = 0 thenr=250g=0b=0elser=0g=0b=250endifmiddleprice = (open+close)/2colorbetween(middleprice,mysupertrend,r,g,b,40)// ~~ Ai Super Trend Signalsstarttrendup = label = 1 and label[1]<>1 and aisignalsstarttrenddn = label = 0 and label[1]<>0 and aisignalsTrendUp = direction = -1 and direction[1] = 1 and label = 1 and aisignalsTrendDn = direction = 1 and direction[1] = -1 and label = 0 and aisignalsif starttrendup or starttrenddn thendrawpoint(barindex,currentsuperTrend,2)coloured(r,g,b)elsif Trendup thendrawtext("▲",barindex,currentsuperTrend)coloured(r,g,b)elsif Trenddn thendrawtext("▼",barindex,currentsuperTrend)coloured(r,g,b)endifreturn currentsuperTrend as "SuperTrend" coloured(r,g,b)style(line,2)1 user thanked author for this post.
Hi,
there is no limitation on the code.
I don’t know what the problem is…1 user thanked author for this post.
I copied above strategy and it gives error on line 132 which is for ” colorbetween ” .
Hi there,
Did you put that code to an Indicator ?
In Strategy code this will not work.1 user thanked author for this post.
Hi again OZ,
Hopefully Iván will hand you a version that can act as Indicator. But the general idea is :
- Remove all what “draws” because that can not work in Strategy Code (like the ColorBetween example).
Thus, just comment it out (//) so it won’t do anything. - Change the Return command (last line) in actually also a commented out line, but *know* that (in this example) CurrentSupertrend is the variable you will need. This now needs to be incorporated in your Strategy Code somewhere. See #3 and #4 below.
- Somewhere under the code which is now in your Strategy Code, put a
Graph CurrentSuperTrend
command. You will now see the same as what the Indicator showed or shows (you can just let the Indicator be active as well for comparison).
Also notice that if you make that aGraphOnPrice CurrentSuperTrend
command, the line of the supertrend will now be projected on the Price area. It is not said that this will always work for each Indicator you convert to Strategy Code, but withhout really looking into it, this one should work regarding that.
- Now you see the line on your screen, you will be able to envision how to use that line in your code. Think like
If Close Crosses Over CurrentSuperTrend then
or, you make a second of such “indicator” line like ShortTrend and have an
If ShortTrend Crosses Under CurrentSuperTrend then
In all events it is clear that you need some programming skills. 🙂
Hope this helps !
Peter1 user thanked author for this post.
Hi!
Yes, it´s an indicator…
If you want to add an indicator overlaying price you should click add on price (check the attached screenshot).1 user thanked author for this post.
Yep, misinterpretation on my part. Apologies.
1 user thanked author for this post.
- Remove all what “draws” because that can not work in Strategy Code (like the ColorBetween example).
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