chuck, I'm with you on this. I myself have seen stocks scanned but not taken by the Backtester. And my system is a daytrading system so this simply should not happen.
I do not know the code, so I can only speak from observing the black-box though. Regards, intermilan04 --- In [email protected], "cstrader232" <[EMAIL PROTECTED]> wrote: > > I would like to chime in on this thread. I've used AB for years, but find > that this discrepancy (scan v. backtest) is the one that I spend the most > time on. In some cases, I simply cannot diagnose the problem. Even though > it seems that there is plenty of cash, no stops, etc, etc, the backtester > just does not take some trades that scan sees. I know this is not really > the place for feature requests, but IMHO I do think that we could use some > diagnostics from the backtester -- why not a message about why a given trade > was not taken? > > Thanks > > chuck > > > ----- Original Message ----- > From: "Tomasz Janeczko" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Saturday, June 24, 2006 5:45 AM > Subject: [amibroker] Re: Difference between Scan and Backtest > > > > --- In [email protected], james smith <jamesmemphis@> wrote: > >> > >> New user here. > >> > >> I am getting different results with scan and backtest. > > > > This topic appears here every few days, please make a search on old > > messages to find out hundreds of responses. > > > > In short: scan gives RAW signals (may be redundant), backtest gives > > actual trades that are subject to constraints such as round lot size, > > min. pos size, max. pos size, etc, etc, that may cause that trade is > > not entered. > > > > Regards, > > Tomasz Janeczko > > amibroker.com > > > > > > > > > > > > > > Please note that this group is for discussion between users only. > > > > To get support from AmiBroker please send an e-mail directly to > > SUPPORT {at} amibroker.com > > > > For other support material please check also: > > http://www.amibroker.com/support.html > > > > > > Yahoo! Groups Links > > > > > > > > > > > > > > > ------------------------ Yahoo! Groups Sponsor --------------------~--> Something is new at Yahoo! Groups. Check out the enhanced email design. http://us.click.yahoo.com/SISQkA/gOaOAA/yQLSAA/GHeqlB/TM --------------------------------------------------------------------~-> Please note that this group is for discussion between users only. To get support from AmiBroker please send an e-mail directly to SUPPORT {at} amibroker.com For other support material please check also: http://www.amibroker.com/support.html Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/amibroker/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
