ProRealTime Users - Ideas & Experiences Exchange

Igorad,

Now I've had a chance to load the .itf file I can see that my attempt at coding it isn't too bad, but I've adopted your version since it's clearly better ;-)

However, I don't think that your version is the same as Ehlers'. If you look at his version on a daily time frame (shown here: TRADERS' TIPS - AUGUST 2014) the slow quotient remains smooth sometimes for periods of more than a month. Your version is much less smoothed. Any thoughts?

A second point is that one part of the code that confuses me is the line:

HP = ( 1 - alpha1 / 2 )*( 1 - alpha1 / 2 )*( Close - 2 * Close[1] + Close[2] ) + 2 * ( 1 - alpha1 ) * HP[1] - ( 1 - alpha1 ) * ( 1 - alpha1 ) * HP[2]

and, in particular the variable HP.

The code is essentially saying to compute HP use HP[1] and HP[2]...but to compute HP[1] don't you need to have computed HP?
Isn't it a circular argument? Again, any thoughts

Hi

This download doesn't work in Windows or Macbook? What program created itf?

I just have finished installed ProRealTime v10.3 complete version with EOD data.

Attachment 24736

I just discover this indicator from ProRealTime code library.

Quote:

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Here is the newest indicator by John Ehlers described in the new traders'tips of July 2016, like his other indicators this one is also a nearly-zero lag filter which is another attempt to filter out noises from high and low frequencies of market data.

John Ehlers describe the trading rules of this new indicator as this:

• Buy on the filter crossing above its -RMS line
• Short on the filter crossing below its RMS line
• Exit long when the filter either crosses below its RMS or crosses below -RMS (which signifies a false entry signal)
• Cover short when the filter either crosses above its -RMS or crosses above RMS (which signifies a false entry signal)

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Attachment 24756

I would like to know if there are experimented users from PRT to convert/adapt a Tradestation indicator in ProBuilder ?

Here is the code:
http://unicorn.us.com/trading/src/_filter2pole.txt

There are butterworth, critical and hessel filters.
I think it would be a nice indicator for PRT.

If there are a few users who can help, it would be really great! :)

Thanks a lot.

Quote:

---

Originally Posted by Laurent

I would like to know if there are experimented users from PRT to convert/adapt a Tradestation indicator in ProBuilder ?

Here is the code:
http://unicorn.us.com/trading/src/_filter2pole.txt

There are butterworth, critical and hessel filters.
I think it would be a nice indicator for PRT.

If there are a few users who can help, it would be really great! :)

Thanks a lot.

---

I have converted almost everything... except the end where there are arrays.

Code:

---

    // actual filtering starts here
    FOR m = 1 TO Fs DO

        j = cascades - 1
        sig2 = sig1
        sig1 = sig0
        sig0 = Series

        bw2[j] = bw1[j]
        bw1[j] = bw0[j]
        bw0[j] = a0 * sig0 + a1 * sig1 + a2 * sig2 + b1 * bw1[j] + b2 * bw2[j]


        WHILE j > 0 DO
            k = j
            j = j - 1
            bw2[j] = bw1[j]
            bw1[j] = bw0[j]
            bw0[j] = a0 * bw0[k] + a1 * bw1[k] + a2 * bw2[k] + b1 * bw1[j] + b2 * bw2[j]
        WEND
    NEXT

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Any idea or tricks to make it compatible with PRT? :(mm):

Quote:

---

Originally Posted by Laurent

I would like to know if there are experimented users from PRT to convert/adapt a Tradestation indicator in ProBuilder ?

Here is the code:
http://unicorn.us.com/trading/src/_filter2pole.txt

There are butterworth, critical and hessel filters.
I think it would be a nice indicator for PRT.

If there are a few users who can help, it would be really great! :)

Thanks a lot.

---

I've sent this request to Igorad by PM so hope he will look at this.

If It can help, I have attached my code ! That's the array part that does not work :)

There also a good documentation here : http://unicorn.us.com/trading/allpolefilters.html

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