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Thanks for taking the time to try this!
Now change your formula by adding E =
Equity(1); to it so that it looks like:
<font size=1 color=black
face="Courier New">Buy<font size=1 color=black
face="Courier New">=<span
>Cross<font
size=1 color=black face="Courier New">(C,<font
size=1 color=blue face="Courier New">MA<font size=1 color=black
face="Courier New">(C,<font
size=1 color=fuchsia face="Courier New">50<font size=1
color=black face="Courier New">));
<font size=1 color=black
face="Courier New">Sell<font size=1 color=black
face="Courier New">=<span
>Cross<font
size=1 color=black face="Courier New">(<font size=1 color=blue
face="Courier New">MA<span
>(<span
>C,<font size=1 color=fuchsia
face="Courier New">50<span
>),<span
>C);
<font size=1 color=black
face="Courier New">Filter<font size=1 color=black
face="Courier New">=Buy <span
>OR Sell;
<font size=1 color=black
face="Courier New">
<font size=1 color=black
face="Courier New">E = <span
>Equity<font
size=1 color=black face="Courier New">(<font size=1 color=fuchsia
face="Courier New">1<span
>);
<font size=1 color=black
face="Courier New">
<font size=1 color=blue
face="Courier New">AddColumn<span
>(<span
>Buy,<font size=1
color=fuchsia face="Courier New">"Buy"<font size=1 color=black
face="Courier New">);
<font size=1 color=blue
face="Courier New">AddColumn<span
>(<span
>Sell,<font size=1
color=fuchsia face="Courier New">"sell"<font size=1 color=black
face="Courier New">);
<font size=1 color=green
face="Courier New">
and rather than use the “Range
Setting” of “n last days” change that to “from”
and put in the range “1/1/2003 – 2/28/2003” (to simulate the
actual running on the night of the 28th) and then try it.
I’ve been adding that equity
statement to my formula because I’m using applystop and thought it is the
recommended method. When I do this you see what happens.
If you use E = Equity(0); then it reverts
back to what you see with the original formula.
d
<span
>-----Original Message-----
From: Jayson
[mailto:jcasavant@xxxxxxxxxxxx]
Sent: Tuesday, March 18, 2003
11:24 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: RE: [amibroker] Re: Code
challenge - gurus on your toes!
<span
>
<span
>Dale,
<span
>take a very simple
system....
<span
>
<font size=3 color=black
face="Times New Roman">
<span
>Buy<font
color=blue face=Arial>=Cross(C,MA(C,50));
<font size=2 color=blue
face=Arial>Sell<font
size=2 color=black face=Arial>=Cross(MA(C<font
color=black face=Arial>,50),<span
>C<span
>);
<span
>Filter<font
color=blue face=Arial>=Buy OR Sell;
<font size=2 color=black
face=Arial>AddColumn<font
size=2 color="#282828">(<font
size=2 color=black>Buy<font
size=2 color="#282828" face=Arial>,<span
>"Buy"<font
size=2 color="#282828" face=Arial>);
<span
>AddColumn<font
size=2 color="#282828" face=Arial>(<span
>Sell<font
size=2 color="#282828" face=Arial>,<span
>"sell"<font
size=2 color="#282828" face=Arial>);
<font size=3 color=blue
face="Times New Roman">
<font size=2 color="#282828"
face=Arial>run
the back test on CSCO then click actual trades.
<font size=3 color=blue
face="Times New Roman">
<font size=2 color="#282828"
face=Arial><img
width=297 height=269 src="gif00137.gif" align=baseline
border=0>
<font size=3 color=blue
face="Times New Roman">
<span
>Here you see the actual
cross over occurred on 2/28 (circled) the trade arrow in back test shows
the following day 3/3 (delay=1)
<font size=3 color=blue
face="Times New Roman">
<span
><img width=744
height=606 src="gif00138.gif" align=baseline border=0>
<font size=3 color=blue
face="Times New Roman">
<span
>To find this trade the
previous night you would run the same code in AA as an exploration.......
<font size=3 color=blue
face="Times New Roman">
<span
><img width=592
height=252 src="gif00139.gif" align=baseline border=0>
<font size=3 color=blue
face="Times New Roman">
<span
>As you see the explore
correctly identifies the 2/28 buy as well as the 3/3 sell ahead of the trade
arrows generated by the back test. If you are looking at EOD on 2/28 you would
place the buy order that evening as a market order. This would execute on the
3/3 open (for better or worse).
<span
>
<span
>
<span
>Jayson
-----Original
Message-----
From: dingo
[mailto:dingo@xxxxxxxxxx]
Sent: Tuesday, March 18, 2003
10:10 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: RE: [amibroker] Re: Code
challenge - gurus on your toes!
<font size=2 color=blue
face=Tahoma>The
point about using Amibroker to trade the open on the next day was this:
<font size=2 color=blue
face=Tahoma>
<font size=2 color=blue
face=Tahoma>Take a
simple system you have in your files and run a back test on it for a date range
of your choice. (be sure and have your settings = delay = 1, open). Look
down the trade list and pick any date where a position is taken and write that
date down. Now pretend that you are processing your data (assuming you
are using EOD data) on the night BEFORE the date you wrote down – trying
to see what trades, if any, you will have to set up for the next day. Now
run a Scan or Explore and tell me if you see any evidence of a trade for the
next day? What do you do to know that you need to put in an order?
<font size=2 color=blue
face=Tahoma>
<font size=2 color=blue
face=Tahoma>d
<font size=2 color=blue
face=Tahoma>
<span
>-----Original Message-----
From: phsst
[mailto:phsst@xxxxxxxxx]
Sent: Tuesday, March 18, 2003
12:32 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: Code
challenge - gurus on your toes!
<span
>
<Dale,
you have probably forgotten more about system design than I<font
size=2 face="Courier New">
know but for what it is worth I do use delay=1 and
Price=Open for
evaluation and back testing in AA, although in
practice I seldom
actual buy the open. I have been burned too many
times by this fickle
market. Instead I wait 30 minutes to let the dust
settle. Interday I
plot actual signals based on high or low. (delay=o)>
I don't target to trade Mkt OPEN either... but
prefer to trade Limit
or Stop orders based upon previous days price
action.
In the case of Buy Limit orders, I usually
determine the Limit price
from previous days Close, and to my surprise, I
very often get actual
executions at OPEN the following day which are
significantly less than
previous days close (my limit order) and have
experienced positive
trading system outcomes as a result (my primary
trading system is a
pullback system). Also, when this occurs it is not
unusual for the
OPEN to be the low for the day!
You can setup your backtest's for this condition,
and depending upon
your trading system you will observe backtest
results that mirror what
I have encountered in actual trades.
Logically, I thought that MM's would look at limit
orders at open and
take them out before gapping down, but that has
not been my actual
trading experience with these orders (either NYSE
or NASD).
My point is that while you may not want to trade
the OPEN with market
orders... the OPEN is not necessarily your enemy
either... it can be
your friend when your trading system picks out
pullbacks that are
close enough to exhaustion gaps which can be
exploited using Limit orders.
And as far as using Amibroker to signal trades with
delay = 1 and
Price = Open on the evening before the trade...
here is a code snipet
that should come close:
(b is the boolean BUY trigger variable)
b = BUY CONDITION SETUP
PctRisk = C - (L - 0.1) / C;
TargetPrice = HHV(C,10);
PctGain = (TargetPrice - C) / C;
b = b AND PctGain >= 0.12; //
At least 12% Profit potential
BuyPrice = Min(Ref(C,-1),O); // Lessor of Previous
Close or Todays open
b = b AND BuyPrice > L;
Buy = b;
That should do it, if I have not mis-understood
what you are asking for.
OR simply code BuyPrice = O;
Phsst
--- In amibroker@xxxxxxxxxxxxxxx,
"Jayson" <jcasavant@xxxx> wrote:
> Dale,
>
> Often I just guess <G>
>
> Help defines an array as....
> What is an Array?
>
> An array is simply a list (or row) of values.
In some books it may be
> referred to as a vector. Each numbered row of
values in the example
> represents an individual array. Amibroker has
stored in its database 6
> arrays for each stock. One for opening price,
one for the low price,
one for
> the high price, one for the closing price and
one for volume (see
the rows
> labeled 1-5 below) and one for open interest.
These can be
referenced in AFL
> as open, low, high, close, volume, openint or
o, l, h, c, v, oi.
>
> If you are referencing one of the 6 arrays or
making calculations
based on
> them then it is an array. In your
example you used Status to
determine what
> AB was doing (Scan, Explore etc) Since this
state is not stored nor
> calculated from the six arrays you must
use lastvalue() .
>
> " One more thing: Do you use Amibroker
to signal trades with delay =
1 and
> Price = Open? On the evening before the
trade do you use plots to
tell you
> to trade the next morning or do you use some
formula in the AA and run a
> Scan or Explore to tell you?"
>
> Dale, you have probably forgotten more about
system design than I
know but
> for what it is worth I do use delay=1 and
Price=Open for evaluation
and back
> testing in AA, although in practice I seldom
actual buy the open. I have
> been burned too many times by this fickle
market. Instead I wait 30
minutes
> to let the dust settle. Interday I plot
actual signals based on high
or low.
> (delay=o)
>
> Regards,
>
> jayson
>
>
>
>
>
>
>
> Jayson
> -----Original Message-----
> From: dingo [mailto:dingo@xxxx]
> Sent: Monday, March 17, 2003 4:23 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] Code challenge -
gurus on your toes!
>
>
> Have I tried it? NO but looks like that is
the magic answer!!!
>
>
>
> I get totally wrapped around the axle to this
day on what is an
array and
> what is not an array.
>
>
>
> If you have the time could you explain how
this works at the
individual bar
> level? If not I understand and really
appreciate this!! It just
might help
> the little light go on in my head (yea,
right!).
>
>
>
> One more thing: Do you use Amibroker to
signal trades with delay = 1 and
> Price = Open? On the evening before the
trade do you use plots to
tell you
> to trade the next morning or do you use some
formula in the AA and run a
> Scan or Explore to tell you?
>
>
>
> Thanks Jason! You are great to be here
help us as much as you do!
>
>
>
> d
>
>
>
> -----Original Message-----
> From: Jayson [mailto:jcasavant@xxxx]
> Sent: Monday, March 17, 2003 3:56 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] Code challenge -
gurus on your toes!
>
>
>
> Dale have you tried lastvalue(tmpdelay)
>
>
>
>
>
> tmpDelay = IIf(Status("action") ==
5, 1, 0);
>
> tmpdelay=LastValue(tmpdelay);
>
>
>
> I think this needs to be a fixed number..
>
>
>
> Jayson
>
> -----Original Message-----
> From: dingo [mailto:dingo@xxxx]
> Sent: Monday, March 17, 2003 3:41 PM
> To: _amibroker_yahoo
> Subject: [amibroker] Code challenge - gurus
on your toes!
>
> I'm trying to write some AFL code that will
change the trade delays and
> trade prices based solely on whether the code
is being run in the back
> tester/optimizer or not.
>
> Here's a feeble attempt that doesn't work:
>
> tmpDelay = IIf(Status("action") ==
5, 1, 0);
> tmpPrice = IIf(Status("action") ==
5, Open, Close);
>
> SetTradeDelays(tmpDelay, tmpDelay, tmpDelay,
tmpDelay);
> BuyPrice = SellPrice = ShortPrice =
CoverPrice = tmpPrice;
>
> Lets see if you can solve this one!
(Use of vbScript is permissable)
>
> d
>
>
>
> Send BUG REPORTS to bugs@xxxx
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<span
>Send BUG REPORTS to bugs@xxxxxxxxxxxxx<font
size=2 face="Courier New">
Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
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>
<span
>
Send
BUG REPORTS to bugs@xxxxxxxxxxxxx<font size=2
face="Courier New">
Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
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Your use of
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<font size=2
face="Courier New">Send BUG REPORTS to
bugs@xxxxxxxxxxxxx<span
>
Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
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(Web page: <a
href="">http://groups.yahoo.com/group/amiquote/messages/)
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Check group FAQ at: <a
href="">http://groups.yahoo.com/group/amibroker/files/groupfaq.html
Your use of
Yahoo! Groups is subject to the Yahoo!
Terms of Service.
Yahoo! Groups Sponsor
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Send BUG REPORTS to bugs@xxxxxxxxxxxxx
Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
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(Web page: http://groups.yahoo.com/group/amiquote/messages/)
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Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
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