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> I donīt know how to write in the Metastock language
Go to Files Box on the left of this message board and download the
FormulaBook.ZIP. This is a great tutorial on the Metastock Formula
Language.
>
> So it would look something like this:
> IF THIS DAY HIGH IS HIGHER THAN YESTERDAY HIGH AND IF THIS DAY
> CLOSE IS LOWER THAN YESTERDAY CLOSE --> SELL
>
> IF THIS DAY LOW IS LOWER THAT YESTERDAY LOW AND THIS DAY CLOSE IS
> HIGHER THAT YESTERDAY CLOSE --> BUY
>
One approach is to use the Reference( array, periods ) function.
Ref(high,-1) {gives yesterday's high}
Ref(low,-1) { gets yesterday's close }
high = todays high from the ARRAY
Then try setting up variables called "SELL," "Buy"
Your formula might look something like this:
SellIt := high>ref(high,-1)and close<ref(close,-1);
BuyIt := Low<ref(low,-1)and close>ref(close,-1);
Now we need a way to display your formula as a custom indicator to
see if it works as we think it should. For this, we need to display a
+1 to buy or -1 to sell or a zero to do nothing. The IF(statement or
formula,[then},{else}) does a nice job at this. We add these 2 lines
to your formulas...
IF(SellIt,{then}-1,{else}0);
IF(BuyIt,{then}+1,{else}0);
The above 4 lines in a custom indicator and the tutorial will get you
on your way. Also visit these 2 web sites for more on formulas to do
everything:
http://www.guppytraders.com/Metastock%20Formulas/formula%20index.htm
http://eis.pl/kr/AFM/index-en.html
Grizz
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