wrong results with simple moving average rebound screener

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  • 10/02/2017 at 9:20 AM #47971 quote
    lore
    Participant
    New

    Hi,
    I have been using this very simple screener for a while to look for stocks in uptrend rebounding on the 50 days moving average. It was actually working until I started to obtain also values below the moving average as in the file attached. Cannot find on what I am wrong.
    This is the screener code

    a=Average[50]

c1= summation[30](close>a)=30

c2=low<a

screener [c1 and c2]

    and attached you see the file with one of the stocks I get: there are also a few closes below the 50 day moving average when I put the condition of the last 50 closes being above it.

    thank you

    screener.png screener.png
    10/02/2017 at 11:20 AM #47983 quote
    Nicolas
    Keymaster
    Master

    This is odd, your code should work correctly. On the NASQAQ stocks list, I do not get any result right now, do you still have that problem this morning?

    10/02/2017 at 12:02 PM #47989 quote
    lore
    Participant
    New

    yes … i keep on getting results below the moving averge.. especially the most recent ones

    10/02/2017 at 12:53 PM #48001 quote
    Nicolas
    Keymaster
    Master

    Do you have live subscription to NASDAQ Stocks list? Still don’t have any results in my screener window today for this code. Do you?

    10/03/2017 at 5:31 AM #48077 quote
    lore
    Participant
    New

    have these results today

    and they apear to be correct

    this is weird because yesterday I got completely wrong results with the same code

    Cattura2.png Cattura2.png
    10/16/2017 at 8:16 AM #49485 quote
    Nicolas
    Keymaster
    Master

    About this issue, I heard that it was a problem in Daily timeframe only and it has now been fixed, do you agree?

    01/13/2021 at 5:12 PM #157675 quote
    dave_moz
    Participant
    Junior

    Hi,

    I see this is an old post but I think I’m seeing a similar issue in that ProScreener returns different values of EMA than what is actually on the chart.

    Doing some tests I see that ProScreener thinks the EMA200 is ~1.5% lower than what it actually is.

    Did you resolve your issue and does this sound anything like the same thing?

     

    Thanks.

    01/13/2021 at 5:59 PM #157686 quote
    Nicolas
    Keymaster
    Master

    Your problem is not related, a 200 periods EMA needs more than 254 bars to calculate, which is the history limit of ProScreener, therefore the value may differ. I suggest you use an arithmetic moving average instead, SMA200 is ok.

    dave_moz thanked this post
    01/14/2021 at 12:03 PM #157797 quote
    dave_moz
    Participant
    Junior

    I see, that makes sense.

    Thank you.

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wrong results with simple moving average rebound screener


ProScreener: Market Scanners & Detection

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lore @lore Participant
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This topic contains 8 replies,
has 3 voices, and was last updated by dave_moz
5 years, 2 months ago.

Topic Details
Forum: ProScreener: Market Scanners & Detection
Language: English
Started: 10/02/2017
Status: Active
Attachments: 2 files
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