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

["corvidsystems" <corvidsys@xxxxxxxxx>]

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@xxx> 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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