Screener a week late?

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  • #107523 quote
    grimweasel47
    Participant
    Senior

    Hi Guys

    I have an issue with the code below in that for the Engulfing and Outside bars the screener is displaying results a week late? Ie it searches for a price action signal but doesn’t display the most current weekly candle, but the one prior? Yet when I use the same code in a standalone screener (ie just engulfing and outside bars) it reports the correct, latest bar in the results? Any help would be apricated as I use this scanner each weekend on the UK shares universe!

    //Bullish/Bearish Candle Detector 
    //Detection of Hammer / Shooting Star
    Hammer = (((high - low)>3*(open -close)) and  ((close - low)/(.001 + high - low) > 0.6) and ((open - low)/(.001 + high - low) > 0.6))
    Shooter = (open[1] < close[1] and open > close[1] and high - max(open, close) >= abs(open - close) * 3 and min(close, open) - low <= abs(open - close))
    
    //shooter wick
    Indy6 = (close = highest[10](high[0]))
    //Hammer Wick
    Indy7 = (close = lowest[10](low[0]))
    
    //detect BUOB
    BUOB =((close[1] < open[1]) and (open[0] < low [1]) AND (close > open[1]) and (close [0] > high [1])and (close > open))
    
    //detect BEOB
    BEOB =((close[1] > open [1]) and (close[0] < low [1]) AND (open[0] > high[1]) and (close [0] < low [1]) and (close < open))
    
    //detect BEEB
    BEEB = ((close[1] > open [1]) and (open[0] >=close [1]) and (close[0] < open [1]) and (close < open))
    
    //detect BUEB
    BUEB = ((close[1] < open[1]) and (open <= close[1]) and (close > open[1]) and (close > open))
    
    C1 = BUOB
    C1a = BUEB
    C2 = BEOB
    C2a = BEEB
    C3a= Hammer
    C3b= Shooter
    
    //Detection of IB Bull
    IBBull = (open[1] > close[1] and close > open and close <= open[1] and close[1] <= open and close - open < open[1] - close[1] )
    
    //Detection of Bear IB
    IBBear  = (close[1] > open[1] and open > close and open >= close[1] and open[1] >= close and open - close > close[1] - open[1] )
    
    // Close greater or less than 10 ema
    MAH = (close < exponentialaverage[10])
    MAL = (close > exponentialaverage[10])
    
    ///Screener for Price Action
    Screener [c1 and MAL]((close/DClose(1)-1)*100 AS "%VAR" )//detect BUOB 
    Screener [c1a and MAL]((close/DClose(1)-1)*100 AS "%VAR" )//detect  BUEB
    
    
    Screener [c2 and MAH]((close/DClose(1)-1)*100 AS "%VAR" )//detect BEOB
    Screener [c2a and MAH]((close/DClose(1)-1)*100 AS "%VAR" )//detect BEEB
    
    Screener [c3a and MAL and Indy7]((close/DClose(1)-1)*100 AS "%VAR" )//detect Hammer
    Screener [c3b and MAH and Indy6]((close/DClose(1)-1)*100 AS "%VAR" )//detect Shooter
    
    screener [IBBull]((close/DClose(1)-1)*100 AS "%VAR" )//detect Inside Bar with bull trend
    screener [IBBear]((close/DClose(1)-1)*100 AS "%VAR" )// detect IB with bear trend
    

    And yet here is the standalone screener?

    //detect BUOB
    BUOB =((close[1] < open[1]) and (open[0] < low [1]) AND (close > open[1]) and (close [0] > high [1])and (close > open))
    
    //detect BEOB
    BEOB =((close[1] > open [1]) and (close[0] < low [1]) AND (open[0] > high[1]) and (close [0] < low [1]) and (close < open))
    
    //detect BEEB
    BEEB = ((close[1] > open [1]) and (open[0] >=close [1]) and (close[0] < open [1]) and (close < open))
    
    //detect BUEB
    BUEB = ((close[1] < open[1]) and (open <= close[1]) and (close > open[1]) and (close > open))
    
    MA1 = exponentialaverage[10](close)
    C1 = close > MA1
    C2 = Close < MA1
    
    Screener [BUOB and C1]
    Screener [BEOB and C2]
    Screener [BEEB and C2]
    Screener [BUEB and C1]

    All I did was copy the above code into the main price action screener?

    Many thanks in anticipation of help!

    #107530 quote
    robertogozzi
    Moderator
    Master

    Do you have end-of-day-data?

    If yes, then on the weekly TF you’ll have data updated when each weekly candlestick closes, while for daily TF when a daily candlestick closes.

    #107540 quote
    grimweasel47
    Participant
    Senior

    Hi Robert

     

    Yes, I’m using end of day data as I trade shares on a weekly basis. I couldn’t understand why one scanner showed the most previous week’s candles and the other two weeks prior, yet both scanners as using the same code as far as  I can see??

    #107541 quote
    robertogozzi
    Moderator
    Master

    Why are you using all those SCREENER instructions at the end, just one is allowed.

    I’m afraid the last one overrides the previous three.

    #107680 quote
    Nicolas
    Keymaster
    Master

    Code is read from top to bottom, so only the last screener instruction will be used by ProScreener.

    If you have only EOD data, on a weekly chart, all results are delayed of one week.

    #107702 quote
    grimweasel47
    Participant
    Senior

    Robert – thanks so much!! That solved the issue. All these years using ‘screener’ and I didn’t one you should only have one screener line command per script. That totally explains why it was never working properly!  Thanks again!

    I have replaced all the screener lines with one command line that seems to work much better:

    Screener [(c1 and c5) or (c2 and c6) or (c3a and C5 and Indy7) or (c3b and c6 and Indy6) or (DCC and Indy6) or (PL and Indy7) or (IBBull and C5) or (IBBear and C6)  ]((close/DClose(1)-1)*100 AS "%VAR" )
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Screener a week late?


ProScreener: Market Scanners & Detection

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This topic contains 5 replies,
has 3 voices, and was last updated by grimweasel47
6 years, 6 months ago.

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Forum: ProScreener: Market Scanners & Detection
Language: English
Started: 09/14/2019
Status: Active
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