Re: [amibroker] Re: AFL for Buy statement

[Radek Simcik <radek.simcik@xxxxxxxxx>]

would 

Sum(cross( macd(), 0 ),5)==5

do the same job?

R

On Fri, May 8, 2009 at 9:31 AM, gmorlosky <gmorlosky@xxxxxxxxx> wrote:

for 5 days ago
buy = ref(cross( macd(), 0 ),-5);

for each of the last 5 days
for (i=1,5,i++)
buy = ref(cross( macd(), 0 ),-i);

--- In amibroker@xxxxxxxxxxxxxxx, "Rick" <rickbw@xxx> wrote:
>
> As a new user, can someone help me understand how to set up a buy signal when a certain condition occurs on several consecutive days?
>
> I would like to create a buy signal when (as example) the macd is above 0 for the last 5 days.
>
> I know that the correct afl for when macd is above 0 for the last bar =
>
> buy = cross( macd(), 0 );
>
> but how do I create the same buy afl for the last 5 days?
>
> also if I want to add another condition (but for a different set of days) would I add an "AND" or would I need another afl line?
>
> Thanks for any help provided.
>

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