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Joe
I gained the impression that you could paste much more code into the small
box than is indicated by the box size. Admittedly I didn't see a scroll bar
but I seem to recall seeing a funny symbol indicating each end-of-line.
If you're looking for a drop-down equity curve why don't you check out
'Trade Equity'. It probably won't do everything you want as it doesn't
accommodate leveraging or combine long and short trades at this stage. The
current user guide containing most formulas can be found in the files
section of this forum.
Roy
----- Original Message -----
From: "Joe J." <jojab@xxxxxxxxx>
To: <Metastockusers@xxxxxxxxxxxxxxx>
Sent: Saturday, November 02, 2002 7:29 AM
Subject: RE: [Metastockusers] 8.0 System tester
Well, we are mostly traders and not programmers! If anyone has been
following along with eSignal's advanced chart development and system
tester on their Yahoo list, I think they have the right idea. Their
programmers are listening to what the traders want (they are both on the
email list) and making refinements as they go along. They constantly
post new builds in beta to try out. I think they have a ways to go but
they are making strides.
I know there are Amibroker users on this list, does it allow you to
write formulas for both intrabar targets and stops at the same time?
Just curious.
Joe J.
-----Original Message-----
From: Lionel Issen [mailto:lissen@xxxxxxxxxxxxxx]
Sent: Friday, November 01, 2002 10:59 AM
To: Metastockusers@xxxxxxxxxxxxxxx
Subject: RE: [Metastockusers] 8.0 System tester
The point has been made before that the Metastock programmers are not
traders.
Lionel
-----Original Message-----
From: Joe J. [mailto:jojab@xxxxxxxxx]
Sent: Friday, November 01, 2002 11:32 AM
To: Metastockusers@xxxxxxxxxxxxxxx
Cc: equismetastock@xxxxxxxxxxxxxxx
Subject: [Metastockusers] 8.0 System tester
While I think Equis has done a good job improving their system tester in
8.0, last night I discovered what might be a limitation that I wouldn't
have expected.
Here is a copy of an email that I just sent to Tech Support, I'll keep
the group updated:
I was testing one of your standard Equis systems - the Bolliger Band
("BB") one. As you may recall, the idea is that you would plot two BB's,
one would be 2 std. dev. and one at 1 std. dev. You wait for a close
(for longs) below the 2 std. BB and then back inside it to enter the
trade (i.e., using the cross function). The suggestion then is to exit
the trade with profits when the price crosses the upper 1 std. dev.
band. Simple enough.
I wanted to take advantage of the ability to exit intrabar. Thus, I
wrote a condition to exit when High is greater than the upper 1 std.
band. I checked the "limit" button and entered the formula for the 1
std. band. All went well. The exits worked fine.
Then, I wanted to add stops. I wanted to tell it to exit if the low for
any bar was lower than the entry bar (i.e., the bar the condition for
the entry was made on - the cross bar). This was simple enough to write.
All I had to do was use a ValueWhen() function with the last time the
cross() condition was met and tell it if the low was lower to exit.
When I did this, the exit did not work. Puzzled, I went back and
unchecked the "limit" order box and changed it back to market. Now the
exit stop worked but even though the formula section still told it to
exit at a profit target when the high exceeded the upper 1 std. BB, it
did not (I figured it would exit at the close of the bar for which that
condition was true instead of intrabar since I didn't have the limit
button selected - but it didn't).
I tried one other thing and that was to put both conditions in the
"limit" box. I discovered 3 things:
1. The box is very limited, you can only write a small section of code
due to space.
2. You can not reference defined formulas that you wrote above in the
regular section (i.e., I wrote a formula called IBBT := for the 1 std
dev. upper BB so I wouldn't have to keep writing the formula out)
3. You can not put both statements in the box (i.e, a different stop and
a limit).
I think these issues should be addressed in the future.
Clearly the formulas are okay because I can get both to work
independently but not at the same time.
My questions for you are this:
When building and testing the system tester for 8.0, did you contemplate
users being able to enter both formula based limit orders for profit
targets and formula based stops at the same time to exit the position?
This is probably a very common things for a lot of traders.
I don't want to use percentage stops in my example above because I want
to adapt the system to current market conditions (i.e., using nearby
lows to judge stops) and also use the current market conditions to take
profits (i.e., the 1 std. dev BB).
If I am missing something, please let me know. I've tried several other
formulas to replace the ValueWhen/Cross/Low combination mentioned above
(still using the ValueWhen to tell me when the cross occurred but other
things that involved ATR() to set the stop levels - these didn't work
either).
Thanks in advance,
Joe J.
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