Re: [amibroker] Help Please !!!How to control sell time with Barsince for more than 1 stocks?

["Anthony Faragasso" <ajf1111@xxxxxxxx>]

Did you try:

Sell=exremspan(buy,5);

 

 

----- Original Message -----

From: Tao

To: amibroker@xxxxxxxxxxxxxxx

Sent: Thursday, March 04, 2010 5:17 PM

Subject: [amibroker] Help Please !!!How to control sell time with Barsince for more than 1 stocks?

 

Hi,

Basically I scan 500 stocks everyday to find stocks that have buy signal(such as price have crossed MA 50). Then I buy the stocks and exit them in 5 days after I boought them.

MA=EMA(C,50);
Buy = Cross( MA, C );
Sell = BarsSince(Buy)>5;

But the backtester don't sell stocks exactly 5 days after I bought them.

Say yesterday I bought stock A, today I bought stock B.
The backtester will sell both A and B 5 days after today, which is not what I really want!

What I want is to sell stock A 5 days after the time I bought A which is yesterday not today.

Basically I want to have sell time for each stock to be 5 days after their individaul purchase dates.
But "Sell = BarsSince(Buy)>5;" can't do that.

Please help!

Thanks a lot

Tao

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