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Webinar: John Ehlers on Indicators for Effective Trading Strategies


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Webinar: John Ehlers on Indicators for Effective Trading Strategies

  #11 (permalink)
 
Fat Tails's Avatar
 Fat Tails 
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Big Mike View Post
Thank you Harry, as always.

John Ehlers described his Roofing filter today in detail. When you have some time available to watch the recording, which I will post shortly, and to code up the indicator, I know it would be helpful to many.

Thank you,
Mike


@Big Mike: I have taken the formula from the presentations and converted it into an indicator. The indicator is attached. The recursive part of the formula is only calculated once per bar, the indicator should therefore well perform when used with CalculateOnBarClose = false.

I have also produced a sample chart with the Stochastics(7,20,3) preceded by the roofing filter to remove spectral dilation distortion.


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  #12 (permalink)
 
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 Big Mike 
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I would like to see the roofing filter for Sierra Chart as well. I may pester @vegasfoster to tackle that one, or one of the many other fine programmers. I don't have any use for it with my charts but would like to play with it, as I liked what was taught in the webinar.

Mike

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  #13 (permalink)
 vegasfoster 
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Big Mike View Post
I would like to see the roofing filter for Sierra Chart as well. I may pester @vegasfoster to tackle that one, or one of the many other fine programmers. I don't have any use for it with my charts but would like to play with it, as I liked what was taught in the webinar.

Mike

Yeah, that's me, one many fine programmers. LOL. That said, I think I can do it, will take a look tomorrow, unless another fine programmer beats me to it .

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  #14 (permalink)
 
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 Fat Tails 
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For those, who have already downloaded the Roofing Filter: I have replaced the indicator file in #11.

The original version was not properly initialized for the first values. As all IIR filters carry over a fraction of the error to the next bar, the first few hundred bars on the chart (if you scroll back to the extreme left) had false values. With proper initialization the training period for the indicator is now reduced as much as possible.

Maybe I should refrain from quickly coding indicators after midnight.

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  #15 (permalink)
 supermht 
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hi, FT, I applied the updated version, does it look like this?


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  #16 (permalink)
 
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 treydog999 
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I see that we have a indicator package for ninja is there anything for multicharts/easylanguage?

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  #17 (permalink)
 
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 Fat Tails 
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supermht View Post
hi, FT, I applied the updated version, does it look like this?


@supermht:

If you post a screenshot and ask questions about an indicator, please make sure

-> that you hide the instrument
-> that you hide the chart settings such as bars type and bar period
-> that you obfuscate all price levels
-> that you make sure that there are no indicator settings shown on your chart

In fact, with everything obfuscated, it is much more fun to answer your question, but you may not get the answer that you are waiting for.

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  #18 (permalink)
 supermht 
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Fat Tails View Post
@supermht:

If you post a screenshot and ask questions about an indicator, please make sure

-> that you hide the instrument
-> that you hide the chart settings such as bars type and bar period
-> that you obfuscate all price levels
-> that you make sure that there are no indicator settings shown on your chart

In fact, with everything obfuscated, it is much more fun to answer your question, but you may not get the answer that you are waiting for.

sorry, FT, my fault

it is 60mintues ES chart, let me post again


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  #19 (permalink)
 
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@supermht, the better test would be to watch the webinar, and compare it to Ehlers screenshots.

Mike

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  #20 (permalink)
 
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 Big Mike 
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treydog999 View Post
I see that we have a indicator package for ninja is there anything for multicharts/easylanguage?

If you watch the webinar, it was provided.

Mike

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