This is a stock screener that will fetch stocks that have made a new Fractal (calculated upon the last “p” period = 10 periods by default) in the last 5 days (“lookback” variable that can be modified at line 6 of the below code).
Some Fractals indicators can be downloaded too in the Library:
- original Bill Williams Fractals indicator for Prorelatime version 10.2
- Zig-zag indicator made of Fractals points for Prorealtime version 10.3
- Another version of the Zig-Zag indicator with 2 sets of zigzag points (PRT v10.3 only)
The Fractals code here do not respect completely the Bill Williams original description (FYI).
This screener has been coded by request.
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//PRC_FractalsScreener | screener //03.11.2016 //Nicolas @ www.prorealcode.com //Sharing ProRealTime knowledge lookback = 5 //how much days in the past to scan for new fractal? p = 10 //period to calculate new fractals if high[p] >= highest[2*p+1](high) then fractalH = 1 fractalL=0 else fractalH = 0 endif if low[p] <= lowest[2*p+1](low) then fractalL = -1 fractalH=0 else fractalL = 0 endif newhigh = summation[lookback](fractalH=1 and fractalH[1]=0)=1 newlow = summation[lookback](fractalL=-1 and fractalL[1]=0)=1 SCREENER [newhigh or newlow] |
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Thank you Nicolas so much for that.
I am trying to improve my coding in Pro-RealTime.
Can you please advise for the following :
For this line : summation[lookback](fractalH=1 and fractalH[1]=0)=1 Why do we want to check that this didn’t happen on the previous bar
fractalH[1]=0 ?
In addition is the condition fractalH=1 the same like checking for fractalH[0] =1 (what is the difference between them)? What is its purpose ?
Many Thanks,
Assaf
fractalH and fractalL are variables that can take values 1 or 0 in this code. The summation statement check if a change of this value occurred between the current bar and the previous one through “lookback” bars. I encourage you to read the last ProBuilder documentation to learn the basic of prorealtime coding language here: https://www.prorealtime.com/en/pdf/probuilder.pdf
nice screener, thanks
Dear Nicolas, thank-you for the screener.I have a question, How should i do for add not one, but two filter condition?So when i see the result windows i can have 2 separate columnsFor Exemple:
newhigh = summation[lookback](fractalH=1 and fractalH[1]=0)=1
newlow = summation[lookback](fractalL=-1 and fractalL[1]=0)=1
criteria1= RSI[14](Close)criteria2= Stochastic[14,3](Close)
SCREENER [newhigh or newlow](criteria1 as \"My first\")(criteri2 as \"My Second\")+... ecc
Sorry, but it’s only possible to display one criteria column on proscreener.
Thanks!!In your opinion, make a screener with more condition filter could be interessting? Could be implemented by Proreal staff in the next time?
You can have already as much conditions as you want, it is only the multiple sorting criteria that is not present.
Thanks for your answers!
Hi,
I just tried this screener, but although I get some instruments returned, they all have “Citeria” set to “0”, should they not be 1 or -1?
How do I know if they were new highs or lows?
Many thanks for the screener ..
Hello Niklas, I would like to use the screener for the display in the m15, which changes to the settings I have to make
Nothing to change or you can play with different settings at lines 6 and 7.
Thank you Niklas, I’m still looking for an indicator 123 or direct to Joe Ross, can you help me