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Thanks, Ed. That helps a lot. How do you get this from reading the help
file? And how do you get a printout (exploration) of the ranking AB ascribes to
each ticker? Suppose you are using, say, the N100 as a watchlist. I'd like to be
able to see all 100 rankings based on whatever formula I use for ranking and
whatever AB came up with on the rankings.
Thanks again.
AV
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
ed2000nl
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Thursday, December 18, 2003 9:14
AM
Subject: Re: [amibroker] StoRSI + 144MA +
BB rank
Al,
the PositionsScore uses the absolute values to
rank but after it has been ranked it "remembers" if the value was positive or
negative originally.
For example: -5, 7, -9
Ranked would be: 9, 7, 5 giving a short, long and
a short trade in order of highest rank.
Ed
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Al
Venosa
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Thursday, December 18, 2003 3:02
PM
Subject: Re: [amibroker] StoRSI + 144MA
+ BB rank
Greg, thanks for the code. I am embarrassed to even ask this question,
but at the risk of being called a dummy, I'm going to ask it anyway (maybe
TJ won't see it!). I still don't fully understand the PositionScore function
despite reading and re-reading the help file. It ranks stocks on the basis
of highest ABSOLUTE score. Yet, in your remarked statement after the
Rank line in your code, you state "highpositivescore best long candidates,
lownegativescore best short candidates." So, if it converts all Ranks into
absolute scores, how does it distinguish long candidates from short
candidates, since absolute scores are all positive? How do you get a
printout of the PositionScore stock ticker rankings? TIA.
Al Venosa
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Greg
To: <A
title=amibroker@xxxxxxxxxxxxxxx
href="">AmiBroker@xxxxxxxxxxx
Sent: Thursday, December 18, 2003
8:13 AM
Subject: [amibroker] StoRSI + 144MA +
BB rank
Hi,
I was trying to workout a system in Amibroker that would use
StoRSI and 144 Ma for trading rules.
I wasn't having great results until I added a ranking method
presented by Gary Serkoshian in his slideshow presentation. It used
BollingerBands to score and rank the trades.
The following Amibroker Code is what I came up with.
Try it and tell me what you think about the system if you care to
comment and get the time. This is intended for trading a portfolio of two
or more stocks and won't improve the score of only
one stock.
// Stochastic - RSI , recommended by Steve
Karnish //
// With portfolio mode //
/*****
** REGULAR PORTFOLIO mode
** This sample optimization
** finds what is optimum number of positions open simultaneously
**
****/
SetOption(<FONT color=#ff00ff
size=1>"InitialEquity", <FONT color=#ff00ff
size=1>10000 );<FONT color=#0000ff
size=1>
SetTradeDelays(<FONT color=#ff00ff
size=1>1,<FONT color=#ff00ff
size=1>1,<FONT color=#ff00ff
size=1>1,<FONT color=#ff00ff
size=1>1);
RoundLotSize = 1<FONT
size=1>;
posqty = Optimize<FONT
size=1>("PosQty",
1, <FONT
color=#ff00ff size=1>1, <FONT color=#ff00ff
size=1>20, <FONT color=#ff00ff
size=1>1 );
SetOption(<FONT color=#ff00ff
size=1>"MaxOpenPositions", posqty);<FONT
color=#008000 size=1>
// desired position size is 100% portfolio equity
// divided by PosQty positions
PositionSize = -100<FONT
size=1>/posqty;
// The StoRSI system ......
//
StoRSI = EMA<FONT
size=1>((scRSI<FONT
size=1>(C,8)
- LLV<FONT
size=1>(scRSI<FONT
size=1>(C,8<FONT
size=1>),8))/
(HHV<FONT
size=1>(scRSI<FONT
size=1>(C,8<FONT
size=1>),8) -
LLV<FONT
size=1>(scRSI<FONT
size=1>(C,8<FONT
size=1>),8<FONT
size=1>)),3<FONT
size=1>)*100;
BL=11;
SL=89<FONT
size=1>;
//Trend qualifier .....
x=MA<FONT
size=1>(C,144<FONT
size=1>);
MAlong=x>Ref<FONT
size=1>(x,-1);
MAshort=x<Ref<FONT
size=1>(x,-1<FONT
size=1>);
//
Buy = Cross<FONT
size=1>(11,StoRSI)
AND MAlong;
Sell= Cross<FONT
size=1>(StoRSI,89<FONT
size=1>);
Short = Cross<FONT
size=1>(89,StoRSI)
AND MAshort;// AND
MAshort=True;
Cover = Cross<FONT
size=1>(11<FONT
size=1>,StoRSI);
//Plot(Equity(),"Equity",1,1);<FONT
color=#008000 size=1>
// now additional score
// that is used to rank equities
// when there are more ENTRY signals than available
// positions/cash<FONT face="Courier New" color=#008000
size=1>
//<FONT
face="Times New Roman">PositionScore = 100-RSI(); // prefer stocks that
have low RSI;
//
SetOption(<FONT color=#ff00ff
size=1>"WorstRankHeld",<FONT color=#ff00ff
size=1>10);
numerator=(C-<FONT color=#0000ff
size=1>BBandBot(C,<FONT
color=#ff00ff size=1>21,<FONT color=#ff00ff
size=1>2)) ;
denominator= <FONT color=#0000ff
size=1>BBandTop(C,<FONT
color=#ff00ff size=1>21,<FONT color=#ff00ff
size=1>2)-<FONT color=#0000ff
size=1>BBandBot(C,<FONT
color=#ff00ff size=1>21,<FONT color=#ff00ff
size=1>2) ;
Rank= 100<FONT
size=1>-(100<FONT
size=1>*((numerator / denominator))) ;<FONT color=#008000
size=1>//HighpositiveScore best Long Candidates,<FONT
face="Courier New" color=#008000 size=1>//<FONT color=#008000
size=1>Lownegativescore , best Shorts
//
PositionScore=rank;
<FONT
size=5> <FONT
color=#000000>*****
I'd be interested to know how this ranking method
compares with the Relative Strength ones we talked about
recently.
SetOption(<FONT color=#ff00ff
size=1>"WorstRankHeld",<FONT color=#ff00ff
size=1>10);
numerator=(C-<FONT color=#0000ff
size=1>BBandBot(C,<FONT
color=#ff00ff size=1>21,<FONT color=#ff00ff
size=1>2)) ;
denominator= <FONT color=#0000ff
size=1>BBandTop(C,<FONT
color=#ff00ff size=1>21,<FONT color=#ff00ff
size=1>2)-<FONT color=#0000ff
size=1>BBandBot(C,<FONT
color=#ff00ff size=1>21,<FONT color=#ff00ff
size=1>2) ;
Rank= 100<FONT
size=1>-(100<FONT
size=1>*((numerator / denominator))) ;<FONT color=#008000
size=1>//HighpositiveScore best Long Candidates,<FONT
face="Courier New" color=#008000 size=1>//<FONT color=#008000
size=1>Lownegativescore , best Shorts
//
PositionScore=rank ;
<FONT
color=#0000ff> <FONT
color=#000000>*****
Bye for now,
GregSend BUG
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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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