[amibroker] Re: Want to compare current bar's value to past values of a different array

["maustin30062" <Martin.austin@xxxxxxxxxxx>]

Thank you for your response. In actuality, I am not looking for a crossover. I am just looking for the last time a value (I used moving average as an example, but the actual array I am using is really a type of peak, so it doesn't change continuously). I am actually looking for the last value of this peak when it was less than the current bar's close (not when the close of a bar crossed the peak).

Marty

--- In amibroker@xxxxxxxxxxxxxxx, "corvidsystems" <corvidsys@xxx> wrote:
>
> In essence, you are looking for a CrossOver, CrossUnder (for example):
> 
> ---------------------
> MyMA=MA(C,30);
> 
> BuyTrigger = Cross(Ref(C,-1),Ref(MyMA,-1));//Previous bar's close went above MyMA
> ShortTrigger = Cross(Ref(MyMA,-1),Ref(C,-1));//Previous bar's close went under MyMA
> 
> Buy=BuyTrigger;
> BuyPrice=Min(Ref(C,-1), Ref(O,0));
> 
> Short=ShortTrigger; 
> ShortPrice=Max(Ref(C,-1), Ref(O,0));
> 
> ---------------------
> 
> Hope that helps
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "maustin30062" <Martin.austin@> wrote:
> >
> > Can anybody help me with this?
> > 
> > I would like to look back to see when the the moving average of close is less than the current bar's value of close. That is, I am looking for the last value of MA(C,30) that is less than the value of C at a given bar. In essence, I want to hold the value of Close constant for each bar and compare it to the array MA(C,30). Using the following:
> > 
> > x = valuewhen(C < MA(C,30),MA(C,30));
> > 
> > gives a value of the moving average where the value of C at that bar was less than the moving average (i.e. it compares C and the moving average at the same bar). I can use LastValue(C) to get the most current value, but of course, can't backtest it.
> >
>




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