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Hi Cliff.
Thanks for the response. Basically what I am trying to do is exit based on a
stop. So for example open is 5.00, close is 4.00 and my stop is at 4.50, I
want to exit at 4.50 - the second it hits my stop, which, ignoring slippage,
is exactly how it works in real life with a stop loss order, especially in
highly liquid markets which is where I do my trading. My script can allow
for gapping. Since my script knows that the stop loss is 4.50, and it knows
that is passed through this stop at some time today (not sure when today,
but it doesn't matter), that's all I need to know to control it with my
script - if Amibroker would let me!
Does that make sense?
Cheers,
Mark
----- Original Message -----
From: <csoderback@xxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Friday, February 28, 2003 4:13 AM
Subject: [amibroker] Re: Sell price question
> This is a interesting situtation. What you want to do is trade
> between the High and the Low of a bar. Since there is zero time
> between the High and Low of a bar the values in between are
> meaningless. This holds for intraday values as well( 1min, 5min and
> etc). The current price is always set at the close, this is where
> the calculations are preformed. The program only knows that an event
> has happened and not when it happended(between the high and the
> low), because time is zero.
>
> I do something like you want on a daily basis(but there is no
> way of backtesing this for the above reason). I use EOD and
> update it every 5 min. This gives calculations every 5 min on
> the High and Low and will give the time(and value) of the event or
> events. Thus, at the end of the day I know when these event(s)
> happended. Since the back test never has the values other than Close
> and Open(High and low) it has no way of knowing when an event
> happened, only that it did happen.
>
> The same sort of thing occurs when you set stops with a brokerage,
> a stop becomes a market sell(or buy), but there is no guarantee what
> price you bought or sold. The same for a stop limit, if the price
> does not hit both of the conditions the stop will not execute.
>
> I hope this makes some sense.
>
> Cliff s
>
>
>
> > Hi All.
> >
> > Hoping for some help with controlling the price a stock is sold at
> in the
> > back tester. I'm doing all my sell signals in javascript (due to
> some fairly
> > complex stop rules), and also want to determine the sell price
> that appears
> > in the backtest - typically the price at which it crosses a
> particular
> > indicator. So what I'm doing is something like:
> >
> > for(i=0; i<aClose.length; i++)
> > {
> > aSellPrice[i] = ... // my sell price rules
> > }
> > AFL("sellprice") = aSellPrice;
> >
> >
> > But what I see in the backtester as "exit price" seems to be
> whatever is in
> > the automatic analysis settings (eg. open, close, whatever), not
> the price I
> > have set in my javascript.
> >
> > Can anyone help me here? Is what I want to do possible? Seems like
> it
> > shouldn't be hard.
> >
> > Cheers,
> >
> > Mark
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