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>Sid,
>
>Using the bband entry exit system u posted a few messages
>above, why does it exit the last day.
>Example, it buys AXP on April 25 and also exits on April 25,
>both prices as same $36,69 (Yahoo Quote).
>I am confused abou the exit. Pleas clarify
>
>
>nand
Nand,
Well it depends on which output you are looking at.
In AA backtest it shows AXP as being an open long position which was
entered at the close on the 25th.
In the System report, last trade line it shows the same entry on the
25th. In addition it shows an artificial close that it uses to determine
the value of any open positions. This is the way the system report
works. It does not mean an actual trade took place on the close of the
last day of data.
On the chart you will see there is no close (solid red) arrow on the 25th.
****
Fred, I find this little routine is much quicker than writing a real system
when checking out possible trading ideas. I can pop in a few lines of code
and generate all the usual AB statistics such as W/L %, number of
consecutive losers etc. Then I look at the chart with B/S arrows and your
equity curve with its statistics to complete the picture.
I would also like to write a similar routine to evaluate exits by using
some simple default technique to generate entries which could then have the
exit under test applied. However it is a tricker proposition to generate
meaningful comparison values for an exit test. Entries are easy...enter,
count out X days and see what you get. Exit stats will be confused by the
indeterminate time elapsed between fake entry and the exit being tested.
Cheers
Sid
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