Use of BArindex

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  • 05/10/2016 at 1:12 PM #6681 quote
    IGOSNELL
    Participant
    Average

    Hello

    I have been struggling with BARINDEX and its interpretation, as far as I am aware it will tell me how many bars are loaded since the beginning of an automated strategy so the very first bar in a strategy should be 0.

    I have a piece of code below where I would like to enter the position under certain circumstances and when BARINDEX = 0.  But it never enters the initial position so the automated strategy wont get going.

    Am I misunderstanding BARINDEX or  is the code below wrong?

    ARC = 3* averagetruerange[7](close)

IF BARINDEX = 0 THEN
inithigh = highest[7](close)
initlow = lowest[7](close)
STARB1 = inithigh - ARC[0]
STARS1 = initlow + ARC[0]
IF close[0] > STARB1 then
buy 3 contracts at market
ELSIF close[0] < STARS1  then
sellshort 3 contracts at market
ENDIF
ENDIF
    05/10/2016 at 2:06 PM #6689 quote
    Nicolas
    Keymaster
    New

    The online prorealtime documentation of the site :

    BARINDEX : Return the number of bars since the beginning of data loaded (in a chart in the case of a ProBuilder indicator of for a trading system in the case of ProBacktest or ProOrder)

    In your code, if barindex=0, there are no way to calculate 7 previous bar of the very first one 🙂

    05/10/2016 at 6:00 PM #6710 quote
    IGOSNELL
    Participant
    Average

    Hello Nicolas

    Thanks but you have lost me.

    Regards

    Ian

    05/10/2016 at 7:38 PM #6716 quote
    Nicolas
    Keymaster
    New

    In your first condition you are trying to find the highest and lowest values from the 7 previous periods, but it’s not possible since you are trying to do this at the first bar (barindex=0). So you need to wait until you are at least at the 7th bar of loaded history to find these values.

    05/12/2016 at 1:12 PM #6876 quote
    IGOSNELL
    Participant
    Average

    Thanks Nicolas

    Makes perfect sense, I did not see the woods for the trees.

    Regards

    Ian

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Use of BArindex


ProOrder support

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IGOSNELL @igosnell Participant
Summary

This topic contains 4 replies,
has 2 voices, and was last updated by IGOSNELL
9 years, 8 months ago.

Topic Details
Forum: ProOrder support
Language: English
Started: 05/10/2016
Status: Active
Attachments: No files
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