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Gary,
No, I am not trying to pyramid an existing position. I
only want to buy the first time RSI drops below 30, then hold it until the trade
is profitable, so the code below does not do what I
want.
I was hoping to do this with the code I was using below, but
I'll just use a profit target instead. Thanks for your help.
Linda
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Gary
A. Serkhoshian
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: June 22, 2004 9:35 PM
Subject: Re: [amibroker] Problem with
Extraneous Buy Signals
Linda,Two questions:1. Are you doing
this in order to pyramid an existingposition?2. Why not use
profit stop?Here is my code adjustements that will cause a sell(if
in existing position) and new buy when RSI(14)crosses below
30.Have fun,GaryVar0 = 1;SetOption
("InitialEquity", 100000);SetOption ("MaxOpenPositions",
Var0);PositionSize = -100/Var0; // to compound resultsBuyPrice
= Open;SellPrice = Close;SetTradeDelays ( 1, 0, 1, 1); // buy,
sell, short,cover// BUYCond1 = Cross(30, RSI(14));
//RSI(14)<30;Buy = Cond1 ;// SELLCond102 = Close
> Ref(BuyPrice,-BarsSince(Buy)+1);Sell = Cond102 OR Cond1
;Buy = ExRem (Buy, Sell);Sell = ExRem (Sell,
Buy);Filter =1 ;AddColumn(RSI(14), "RSI 14", 5.2,
colorDefault,(Cross(30, RSI(14)) * colorBrightGreen) + ((NOT Cross(30,
RSI(14))) * colorDefault));AddColumn(Cond102, "Sell Condition 102",
5.0,colorDefault, Cond102 * colorYellow + (NOT Cond102)
*colorDefault);AddColumn(Buy, "Buy", 5.0, colorDefault, (Buy
*colorBrightGreen) + ((NOT Buy) * colorDefault));AddColumn(Sell,
"Sell", 5.0, colorDefault, (Sell *colorYellow) + ((NOT Sell) *
colorDefault));--- Linda Wilmarth <smart@xxxxxxxxxx>
wrote:> Gary,> > This changes the results, but doesn't
solve the> problem completely.> > On 2/27/02, the RSI
crosses below 30 and so the> system buys on 2/28/02 like it
should. The RSI then> rises above 30, but the Close is not high
enough> over the next couple days to make the Sell condition> be
True. Then on 3/2/01, the RSI falls below 30> again. Since
the system is already in the middle of> a trade, there is not another
buy signal, which is> what I want. > > But the code
now exits when the close is higher than> what the entry would have been
on the 2nd> (potential) signal instead of what the entry really>
was on the first (real) signal. The system exits at> a loss, when
I want to always wait until there is a> profit before exiting.>
> Linda > ----- Original Message -----
> From: Gary A. Serkhoshian > To:
amibroker@xxxxxxxxxxxxxxx > Sent: June 22, 2004 8:37
PM> Subject: Re: [amibroker] Problem with
Extraneous> Buy Signals> > >
Linda,> > The problem is that >
> Cond1 = RSI(14)<30> > is
always true when RSI is below 30. All you want>
is> the cross. So, use Cross(30, RSI(14))
instead.> > Regards,>
Gary> > --- Linda Wilmarth <smart@xxxxxxxxxx>
wrote:> > I am having problems with a system that I
am> > writing. > >
> > I have simplified it to the basics for
testing> > purposes. At this point, I am testing
the> system> > using EOD data for QQQ only.
> > > > The system will buy at the
next Open if the> 14-day> > RSI is less than
30. Then I want to sell at the> > first close
where I have made a profit, which> may> > even be
the same day that I buy.> > > >
The code works fine if the RSI drops below 30> for
1> > day only, e.g. it buys and sells on 4/17/00,
and> it> > buys on 4/29/02 and sells on
4/30/02. > > > > But if the
RSI stays below 30 for more than 1> day,> > the
code does not work. For example, the RSI>
drops> > below 30 on 10/10/00 and the system
correctly> buys> > on 10/11/00. It should
sell on the same day> > (10/11/00) because there would
have been a small> > profit that day. But it does
not - the RSI is> also> > less than 30 on
10/11/00 and the code does not> > produce the desired
results. It waits until> > 10/12/00 to sell.
Then it buys again on> 10/12/00,> > which it
should since the RSI on 10/11 was less> than> >
30, but does not sell until 2/28/01, when it>
should> > have sold the next day on
10/13/00.> > > > I've included the
code below. Anyone have an> idea> > what I
am doing wrong?> > > >
Thanks> > > >
Linda> > > > Var0 =
1;> > > > SetOption
("InitialEquity", 100000); > > > >
SetOption ("MaxOpenPositions", Var0);> >
> > PositionSize = -100/Var0; // to compound
results> > > > BuyPrice =
Open;> > > > SellPrice =
Close;> > > > SetTradeDelays ( 1,
0, 1, 1); // buy, sell,> short,> >
cover> > > > //
BUY> >>
>-------------------------------------------------------------->
> > > > > Cond1 =
RSI(14)<30;> > > > Buy = Cond1
;> > > > //
SELL> >>
>-------------------------------------------------------------->
> > > > > Cond102 = Close
>> Ref(BuyPrice,-BarsSince(Buy)+1);> >
> > Sell = Cond102 ; > >
> > Buy = ExRem (Buy, Sell);> >
> > Sell = ExRem (Sell, Buy);> >
> > > > >
>
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