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[amibroker] Re: QRS Equivilent Scoring... was... PositionScore...



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Jitu,

I mis-interpreted your question, but thats OK.

I didn't mind providing some background on this particular backtest...
even if that is not what requested.

Take care,

Phsst

--- In amibroker@xxxxxxxxxxxxxxx, jtelang@xxxx wrote:
> Phsst,
> 
> I wasn't questioning your methodology or the list of stocks
> that you use. I was replying to this comment of yours -
> 
> > Truth is that I'd really like
> > to see a formula that is equal to or BETTER than QRS since I
> > don't like 'black box' values
> 
> What I thought when I wrote that reply was that if QP2's
> QRS rankings were ranked using much larger set of stocks, but
> if your backtest was run over much smaller subset, then
> the results of two backtests, one with QP2's QRS and the other
> with your own raw QRS, might be quite a bit different even
> if the method to calculate the raw QRS was identical to QP2's.
> 
> However, now that I think of it more, the results shouldn't
> be *that* different, except in cases where two stocks'
> QRS values could be same (say 95), while your own calculated
> raw QRS value could be different, affecting what gets picked 
> for the trade... But that shouldn't happen too often, so the
> results should be at least in the ballpark if the method to
> calculate raw value is close or identical.
> 
> Jitu
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "Phsst" <phsst@xxxx> wrote:
> > Jitu,
> > 
> > The 'PositionScore Ideas' Subject is getting a little old. Let's
> > change it to QRS Equivilent Scoring.
> > 
> > To begin with, I want to reiterate what I stated earlier as it 
> regards
> > my posting comparative backtest result stats. Here is a para-phrase
> > (if that is the right term):
> > 
> > "This backtest comparison is for illustrative purposes only. I make 
> no
> > claims regarding these test results other than the AFL and Setup
> > criteria are identical for comparative purposes."
> > 
> > I am running my backtest against a 650+- stock watchlist.
> > 
> > This list is comprised of stocks whose avg daily trading volume
> > exceeds $25,000,000.
> > 
> > This 650+- ticker watchlist represents about 85-90% of the daily
> > dollar trading volume on all U.S. exchanges.
> > 
> > I exclude about 8000 other less active issues that DO have QRS 
> ranking
> > figures, for the purpose of liquidity.
> > 
> > I refresh this list monthly.
> > 
> > This is a matter of personal preference... and whether you agree or
> > disagree with this approach, it maintains a level playing field for
> > the purpose of comparing different scoring methodologies. (It also
> > provides a very fast way to run successive backtests with different
> > parameters).
> > 
> > QRS values are available on 8,500+- stocks in my QP2 database.
> > 
> > When I run these backtests against the entire 8,500+- tickers, the
> > results are not as good as represented in my 650+- ticker watchlist.
> > 
> > I do NOT have slippage factored into the results that I am posting
> > here. The reason is that 'slippage' is a slippery subject indeed 
> <g>,
> > and I don't have a method of measuring slippage that I am 
> comfortable
> > with.
> > 
> > I have been trading this system for a few weeks, but not in the 
> purely
> > mechanical fashion as reflected in the backtest. I am making a 
> little
> > profit with it, but as much as I hate to admit it, a discretionary
> > side of me has been awakened and I'm overiding some aspects of the
> > pure mechanical system (which is not hurting me so far)... (but 
> which
> > I expect could hurt me in the long run).
> > 
> > Once again, what I am posting is purely for the purpose of 
> providing a
> > solid base for comparing QRS equivilent measurements.
> > 
> > Hope this answers your question.
> > 
> > Regards,
> > 
> > Phsst
> > 
> > --- In amibroker@xxxxxxxxxxxxxxx, "jtelang" <jtelang@xxxx> wrote:
> > > Phsst,
> > > 
> > > Are you running your backtest against all the stocks that
> > > you think are considered when they calculate QRS? That could
> > > be a deciding factor, I'd think. Any other filter for
> > > turnover, price, etc. that you might have, and your results
> > > are likely to be at least a bit different...
> > > 
> > > Jitu
> > > 
> > > --- In amibroker@xxxxxxxxxxxxxxx, "Phsst" <phsst@xxxx> wrote:
> > > > Gary,
> > > > 
> > > > I do code as much of the GUI stuff as I can into the afl. It 
> never
> > > > occured to me that coding SetOption
> ("AllowPositionShrinking",True)
> > > > would skew some of the Report Stats in such a manner.
> > > > 
> > > > The new backtest results based upon PositionScore are as 
> follows:
> > > > 
> > > > QRS      Risk Adjusted Return 156.31% Sharpe Ratio 1.53
> > > > QRSRAW   Risk Adjusted Return 134.72% Sharpe Ratio 1.38
> > > > RSW      Risk Adjusted Return 105.27% Sharpe Ratio 1.15
> > > > 
> > > > You decide about the Gov't work stuff. (Truth is that I'd 
> really 
> > > like
> > > > to see a formula that is equal to or BETTER than QRS since I 
> don't
> > > > like 'black box' values)
> > > > 
> > > > I COPY/PASTED YOUR CODE FOR QRSRAW Calc:
> > > > 
> > > > QRSRAW = ( (C / Ref(C,-62)) * 0.4 ) + ( (Ref(C,-63) / Ref(C,-
> 125)) *
> > > > 0.2 ) + ( (Ref(C,-126) / Ref(C,-188)) * 0.2 ) + ( (Ref(C,-189) /
> > > > Ref(C,-251)) * 0.2 );
> > > > 
> > > > Regards,
> > > > 
> > > > Phsst
> > > > 
> > > > --- In amibroker@xxxxxxxxxxxxxxx, "Gary A. Serkhoshian"
> > > > <serkhoshian777@xxxx> wrote:
> > > > > Hi Phsst,
> > > > >  
> > > > > Thanks for bringing closure to this.  FWIW, I always code 
> > > everything
> > > > I can off the GUI into the afl I'm using for this reason.  
> Here's 
> > > what
> > > > I've been using.  BTW, what did you find related to QRSRAW vs 
> QRS in
> > > > QP2?  Close enough for government work?
> > > > >  
> > > > > Regards,
> > > > > Gary
> > > > >  
> > > > > 
> > > > > //Set Initial Equity, Roundlot Size, Trade Settings
> > > > > 
> > > > > STARTEQ = Optimize("Starting 
> Equity",100000,25000,1000000,25000);
> > > > > 
> > > > > SetOption("InitialEquity", STARTEQ);
> > > > > 
> > > > > SetOption("MinShares",1); //1 for Funds, 100 for Stocks
> > > > > 
> > > > > RoundLotSize = 0; //0 for Funds, 100 for Stocks
> > > > > 
> > > > > SetTradeDelays(1,1,1,1); //Buy, Sell, Short, Cover delays
> > > > > 
> > > > > BuyPrice = C; SellPrice = C;
> > > > > 
> > > > > ShortPrice = C; CoverPrice = C;
> > > > > 
> > > > > 
> > > > > Phsst <phsst@xxxx> wrote:
> > > > > FWIW...
> > > > > 
> > > > > I just had a short exchange with TJ and either of two actions 
> will
> > > > > prevent this situation on backtests. 
> > > > > 
> > > > > Either:
> > > > > 
> > > > >       SetOption("AllowPositionShrinking",False);
> > > > > or
> > > > >       You can also increase "MinShares" setting ...
> > > > > 
> > > > > Thanks for clearing this up Tomasz.
> > > > > 
> > > > > Phsst
> > > > > 
> > > > > --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" 
> > > <amibroker@xxxx>
> > > > > wrote:
> > > > > > Hello,
> > > > > > 
> > > > > > I have found the reason why your report shows positive avg 
> > > dollar
> > > > > profit while showing negative avg PERCENT profit.
> > > > > >  
> > > > > > Reason is that you are using fixed $30 commissions per 
> trade and
> > > > > this causes
> > > > > > that certain trades of that have small position value loose 
> a 
> > > lot
> > > > > (in percent).
> > > > > > 
> > > > > > This influences average PERCENT gain/loss since it is 
> > > calculated as
> > > > > AVERAGE of PERCENT profit/loss
> > > > > > per trade, so this average becomes negative. 
> > > > > > 
> > > > > > See the few top trades from your trade list. Take a look at 
> two
> > > > > trades IBM and PDG.
> > > > > > They are all very small (20 and 6 shares respectively) so 
> fixed 
> > > $30
> > > > > commission each way generates loss
> > > > > > of -14.17% and -39.20% respectively.
> > > > > > 
> > > > > > Now calculating AVERAGE PERCENT p/l is summing % p/l of 
> > > individual
> > > > > trades and dividing them by the number of
> > > > > > trades leads to NEGATIVE percent p/l EVEN though system 
> EARNED 
> > > money.
> > > > > > 
> > > > > > This is so because big percent looses happen only on VERY 
> SMALL
> > > > > trades (trades that have very small dollar value).
> > > > > > Thus big percent looses in such small trades do not really 
> > > affect
> > > > > profit of entire portfolio.
> > > > > > 
> > > > > > 
> > > > > >       Ticker Trade Entry  Exit  Change Profit Profit % 
> Shares 
> > > Pos
> > > > > value Cum Profit # bars Profit/bar MAE/MFE 
> > > > > >       SMTC Long 1995-06-01 2,03125 1995-06-02 2,07813 2,31% 
> > > 401,53
> > > > > 2,01% 9846 19999,69 401,53 2 200,77 0,00% 6,15% 
> > > > > >       VRTS Long 1995-06-01 1,28395 1995-06-02 1,25103 -
> 2,56% -
> > > 572,5
> > > > > -2,86% 15567 19987,26 -170,96 2 -286,25 -2,56% 0,00% 
> > > > > >       COMS Long 1995-06-01 6,67969 1995-06-02 6,8099 1,95% 
> > > 329,32
> > > > > 1,65% 2990 19972,26 158,36 2 164,66 -0,39% 3,70% 
> > > > > >       INTC Long 1995-06-01 7,03125 1995-06-02 7,08594 0,78% 
> > > 95,26
> > > > > 0,48% 2839 19961,72 253,62 2 47,63 -0,11% 2,89% 
> > > > > >       CDWC Long 1995-06-01 6,5 1995-06-02 6,625 1,92% 
> 323,25 
> > > 1,62%
> > > > > 3066 19929,00 576,87 2 161,63 -2,56% 1,92% 
> > > > > >       EMC Long 1995-06-02 2,90625 1995-06-05 2,98438 2,69% 
> 480,7
> > > > > 2,39% 6921 20114,16 1057,57 2 240,35 -2,15% 2,69% 
> > > > > >       ORCL Long 1995-06-02 2,62963 1995-06-05 2,74074 4,23% 
> > > 788,89
> > > > > 3,93% 7640 20090,37 1846,46 2 394,44 -2,82% 4,23% 
> > > > > >       AIG Long 1995-06-02 17,9358 1995-06-05 18,4494 2,86% 
> 514,7
> > > > > 2,56% 1119 20070,16 2361,16 2 257,35 -0,11% 3,30% 
> > > > > >       VLO Long 1995-06-02 14,406 1995-06-05 14,4898 0,58% 
> 56,59
> > > > > 0,28% 1392 20053,15 2417,75 2 28,29 -0,58% 0,58% 
> > > > > >       MBG Long 1995-06-05 34 1995-06-06 33,75 -0,74% -
> 210,25 -
> > > 1,03%
> > > > > 601 20434,00 2207,5 2 -105,13 -0,74% 0,37% 
> > > > > >       STJ Long 1995-06-05 14,75 1995-06-06 14,75 0,00% -60 -
> > > 0,29%
> > > > > 1385 20428,75 2147,5 2 -30 -0,85% 0,56% 
> > > > > >       FHCC Long 1995-06-05 7,875 1995-06-06 7,96875 1,19% 
> 183 
> > > 0,90%
> > > > > 2592 20412,00 2330,5 2 91,5 0,00% 3,17% 
> > > > > >       BDX Long 1995-06-05 14,5313 1995-06-07 14,2813 -
> 1,72% -411
> > > > > -2,01% 1404 20401,88 1919,5 3 -137 -1,72% 0,00% 
> > > > > >       IBM Long 1995-06-05 22,9375 1995-06-07 22,6875 -
> 1,09% -65
> > > > > -14,17% 20 458,75 1854,5 3 -21,67 -1,91% 1,91% 
> > > > > >       EMC Long 1995-06-06 2,9375 1995-06-07 2,90625 -1,06% -
> > > 276,47
> > > > > -1,36% 6927 20348,06 1578,03 2 -138,23 -1,06% 1,60% 
> > > > > >       IACI Long 1995-06-06 3,4375 1995-06-07 3,5 1,82% 
> 309,75 
> > > 1,52%
> > > > > 5916 20336,25 1887,78 2 154,88 0,00% 5,45% 
> > > > > >       SDS Long 1995-06-06 6,03125 1995-06-07 6,0625 0,52% 
> 45,28
> > > > > 0,22% 3369 20319,28 1933,06 2 22,64 0,00% 2,07% 
> > > > > >       PDG Long 1995-06-06 24,875 1995-06-08 25,125 1,01% -
> 58,5
> > > > > -39,20% 6 149,25 1874,56 3 -19,5 -1,51% 2,01% 
> > > > > >       GG Long 1995-06-07 2,90625 1995-06-08 2,90625 0,00% -
> 60 -
> > > 0,30%
> > > > > 6997 20335,03 1814,56 2 -30 -1,08% 0,00% 
> > > > > >       GDW Long 1995-06-07 16,0417 1995-06-08 16,125 0,52% 
> 45,5 
> > > 0,22%
> > > > > 1266 20308,75 1860,06 2 22,75 -0,52% 1,30% 
> > > > > >            Avg profit: Avg % profit:       
> > > > > >            +93,0025 -2,17%        
> > > > > > 
> > > > > > Hope this helps.
> > > > > > 
> > > > > > Best regards,
> > > > > > Tomasz Janeczko
> > > > > > amibroker.com
> > > > > > ----- Original Message ----- 
> > > > > > From: "Phsst" <phsst@xxxx>
> > > > > > To: <amibroker@xxxxxxxxxxxxxxx>
> > > > > > Sent: Monday, December 15, 2003 4:58 AM
> > > > > > Subject: [amibroker] Re: PositionScore Ideas
> > > > > > 
> > > > > > 
> > > > > > Chuck,
> > > > > > 
> > > > > > FWIW, I exported the trade list from the backtest I posted, 
> and 
> > > then
> > > > > > processed the trades with my own reporting program that I 
> used 
> > > prior
> > > > > > to introduction of Portfolio trading in AB.
> > > > > > 
> > > > > > The reported Net Profit I posted matched. As did the 
> calculated 
> > > Risk
> > > > > > Adj RAR. So the other figures that you found issues with 
> are in
> > > > > > question (I did not calc those figures in my own program).
> > > > > > 
> > > > > > I've heard from TJ... apprised him of the figures you 
> pointed 
> > > out, and
> > > > > > at his request sent everything related to the backtest to 
> him 
> > > for
> > > > > > analysis.
> > > > > > 
> > > > > > We will see.
> > > > > > 
> > > > > > Phsst 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > --- In amibroker@xxxxxxxxxxxxxxx, "Phsst" <phsst@xxxx> 
> wrote:
> > > > > > > Greg, Chuck & Gary,
> > > > > > > 
> > > > > > > No 'bother' Greg. 
> > > > > > > 
> > > > > > > And thanks to Chuck for his hints regarding applying 
> recent 
> > > negative
> > > > > > > pullbacks. 
> > > > > > > 
> > > > > > > I haven't heard back from TJ yet concerning the reporting 
> > > issues
> > > > of my
> > > > > > > backtest.
> > > > > > > 
> > > > > > > Tonight I'll export the trades to XL and at least verify 
> that 
> > > Net
> > > > > > > Profit calcs were or were not correct. Also, I have my 
> own 
> > > program
> > > > > > > that than take that data and verify Risk Adj RAR.
> > > > > > > 
> > > > > > > And finally, I'll take a look at the QRSRaw calc that 
> Gary 
> > > posted to
> > > > > > > see if it approximates the QRS rank.
> > > > > > > 
> > > > > > > Phsst
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > --- In amibroker@xxxxxxxxxxxxxxx, "Chuck Rademacher"
> > > > > > > <chuck_rademacher@x> wrote:
> > > > > > > > Greg,
> > > > > > > > 
> > > > > > > > FWIW, I don't think you want to do this (below).    I 
> don't
> > > > see how
> > > > > > > you can
> > > > > > > > compare absolute dollar returns for different stocks.   
> I'm 
> > > sure
> > > > > > > that you
> > > > > > > > will want to divide rather than subtract.
> > > > > > > > 
> > > > > > > > Also, see postings by Phsst regarding the results 
> below.   
> > > They
> > > > > > are very
> > > > > > > > suspect for lots of reasons.   You can't have a 
> positive CAR
> > > > with a
> > > > > > > negative
> > > > > > > > average return per trade.
> > > > > > > > 
> > > > > > > > I'll also let you in on a big secret!    I can't 
> provide 
> > > the exact
> > > > > > code
> > > > > > > > (sorry), but I think you will find that negatively 
> applying 
> > > the
> > > > > > > return for
> > > > > > > > the last few days (weeks?) to this formula will 
> dramatically
> > > > help a
> > > > > > > > short-term system.   In other words, add up the returns 
> like
> > > > you are
> > > > > > > already
> > > > > > > > doing and then subtract the returns for the most recent 
> > > period.  
> > > > > > > This helps
> > > > > > > > to buy stocks that have been rising but are 
> experiencing a
> > > > > pull-back.
> > > > > > > > 
> > > > > > > > I am trading one fund using this technique and it has 
> been 
> > > working
> > > > > > very
> > > > > > > > well.   I'm aware of two other hedge funds that have 
> been 
> > > trading
> > > > > > > this way
> > > > > > > > for more than 15 years and the performance of each has 
> been
> > > > stellar!
> > > > > > > >   -----Original Message-----
> > > > > > > >   From: Greg [mailto:gregbean@x...]
> > > > > > > >   Sent: Sunday, December 14, 2003 3:06 PM
> > > > > > > >   To: amibroker@xxxxxxxxxxxxxxx
> > > > > > > >   Subject: Re: [amibroker] Re: PositionScore Ideas
> > > > > > > > 
> > > > > > > > 
> > > > > > > >   Phsst,
> > > > > > > > 
> > > > > > > >   The return doesn't look so good for RSW. Could you 
> please 
> > > try
> > > > > > > comparison
> > > > > > > > using the following formula instead . I'm not sure that 
> the
> > > > original
> > > > > > > formula
> > > > > > > > I provided should have been as a percent. Maybe it 
> makes a
> > > > > > difference ??
> > > > > > > > 
> > > > > > > >   // RSWraw = .4*(Total Return 13-Week)+.3*(Total Return
> > > > > > > 26-Week)+.3*(Total
> > > > > > > >   Return 1-Year)
> > > > > > > >   tr13 = 0.4 * (C - Ref(C, -65));
> > > > > > > >   tr26 = 0.3 * (C - Ref(C, -130));
> > > > > > > >   tr52 = 0.3 * (C - Ref(C, -260));
> > > > > > > >   RSWraw = tr13 + tr26 + tr52;
> > > > > > > >   PositionScore = RSWraw;
> > > > > > > > 
> > > > > > > >   Sorry to bother you again.
> > > > > > > > 
> > > > > > > >   Greg
> > > > > > > > 
> > > > > > > > 
> > > > > > > > 
> > > > > > > > 
> > > > > > > >     ----- Original Message -----
> > > > > > > >     From: Phsst
> > > > > > > >     To: amibroker@xxxxxxxxxxxxxxx
> > > > > > > >     Sent: Saturday, December 13, 2003 6:30 PM
> > > > > > > >     Subject: [amibroker] Re: PositionScore Ideas
> > > > > > > > 
> > > > > > > > 
> > > > > > > >     Greg,
> > > > > > > > 
> > > > > > > >     This backtest comparison is for illustrative 
> purposes 
> > > only. I
> > > > > > > make no
> > > > > > > >     claims regarding these test results other than the 
> AFL 
> > > and
> > > > Setup
> > > > > > > >     criteria was identical for both tests. The only 
> > > difference
> > > > > was the
> > > > > > > >     assignment of PositionScore = QRS versus 
> PositionScore 
> > > = RSW.
> > > > > > > > 
> > > > > > > >     NOTE:
> > > > > > > > 
> > > > > > > >     // RSW = .4*(Total Return 13-Week)+.3*(Total Return
> > > > > > > 26-Week)+.3*(Total
> > > > > > > >     Return 1-Year)
> > > > > > > >     tr13 = 0.4 * (C - Ref(C, -65)) / Ref(C, -65) * 100;
> > > > > > > >     tr26 = 0.3 * (C - Ref(C, -130)) / Ref(C, -130) * 
> 100;
> > > > > > > >     tr52 = 0.3 * (C - Ref(C, -260)) / Ref(C, -260) * 
> 100;
> > > > > > > >     RSW = tr13 + tr26 + tr52;
> > > > > > > >     PositionScore = RSW;
> > > > > > > > 
> > > > > > > >     Date Range 6/1/1995 to Present (No QRS scores exist 
> > > prior to
> > > > > this)
> > > > > > > > 
> > > > > > > >     Direct comparison:
> > > > > > > > 
> > > > > > > >           RSW SCORE            QRS SCORE
> > > > > > > >           Long trades            Long trades
> > > > > > > >     Initial capital      100000            100000
> > > > > > > >     Ending capital      22984180      190338380
> > > > > > > >     Net Profit      22884180      190238380
> > > > > > > >     Net Profit %      22884.18%      190238.38%
> > > > > > > >     Exposure %      94.25%            94.16%
> > > > > > > >     Net RAR %      24280.98%      202035.63%
> > > > > > > >     Annual Return %      89.07%              142.19%
> > > > > > > >     Risk Adj Retn %      94.50%            151.01%
> > > > > > > > 
> > > > > > > >     All trades      7431 (100.00 %)      7487 (100.00 %)
> > > > > > > >     Avg. Profit/Loss      3079.56 25409.16
> > > > > > > >     Avg. Profit/Loss %      -4.16%      -2.88%
> > > > > > > >     Avg. Bars Held               2.65      2.63
> > > > > > > > 
> > > > > > > >     Winners               3829 (51.53 %)      4066 
> (54.31 %)
> > > > > > > >     Total Profit      64437022.92      436648089.7
> > > > > > > >     Avg. Profit      16828.68      107390.09
> > > > > > > >     Avg. Profit %      3.10%            3.13%
> > > > > > > >     Avg. Bars Held      2.33            2.33
> > > > > > > >     Max. Consecutive      17      17
> > > > > > > >     Largest win      978262.15      7798920.06
> > > > > > > >     # bars in largest win      2      2
> > > > > > > > 
> > > > > > > >     Losers      3602 (48.47 %)            3421 (45.69 %)
> > > > > > > >     Total Loss      -41552842.92      -246409709.4
> > > > > > > >     Avg. Loss      -11536.05      -72028.56
> > > > > > > >     Avg. Loss %      -11.88%            -10.03%
> > > > > > > >     Avg. Bars Held      2.98            2.99
> > > > > > > >     Max. Consecutive      13      12
> > > > > > > >     Largest loss      -542767            -4301835.5
> > > > > > > >     # bars in largest loss      6      6
> > > > > > > > 
> > > > > > > >     Max. trade drawdown      -610851.92      -4864832.72
> > > > > > > >     Max. trade % drawdown      -98.69%            -
> 99.67%
> > > > > > > >     Max. system drawdown      -2119041.36      -
> 15587244.83
> > > > > > > >     Max. system % drawdown      -34.68%            -
> 27.63%
> > > > > > > >     Recovery Factor      10.8            12.2
> > > > > > > >     CAR/MaxDD      2.57            5.15
> > > > > > > >     RAR/MaxDD      2.72            5.46
> > > > > > > >     Profit Factor      1.55            1.77
> > > > > > > >     Payoff Ratio      1.46            1.49
> > > > > > > >     Standard Error      2982472.3      25676798.01
> > > > > > > >     Risk-Reward Ratio      0.44      0.38
> > > > > > > >     Ulcer Index      12.1            7.64
> > > > > > > >     Ulcer Performance Index      6.92      17.9
> > > > > > > >     Sharpe Ratio of trades      -0.72      -0.86
> > > > > > > >     K-Ratio                       1.09      0.93
> > > > > > > > 
> > > > > > > >     FWIW, I have some other systems / variations that 
> I'll 
> > > run a
> > > > > > RSW vs.
> > > > > > > >     QRS comparison on. If there are any notable 
> > > improvements to
> > > > > > the RSW
> > > > > > > >     results, I'll post them.
> > > > > > > > 
> > > > > > > >     Regards,
> > > > > > > > 
> > > > > > > >     Phsst
> > > > > > > > 
> > > > > > > >     --- In amibroker@xxxxxxxxxxxxxxx, "Greg" 
> <gregbean@xxxx>
> > > > wrote:
> > > > > > > >     > Phsst,
> > > > > > > >     >
> > > > > > > >     > Yes I think it is (Total Return 13-Week) means 
> (Pct 
> > > Price
> > > > > > gain in
> > > > > > > >     > 13-Weeks). The terms are from ValueLine, I think.
> > > > > > > >     > http://www.valueline.com/
> > > > > > > >     >
> > > > > > > >     > IBD definition of Relative Strength:
> > > > > > > >     >
> > > > > > > >     >  Relative Price Strength (RS) Rating or Relative
> > > > > > StrengthThis IBD
> > > > > > > >     SmartSelect® Corporate Rating measures each stock's 
> > > price
> > > > > > > performance
> > > > > > > >     over the latest twelve months compared to all other
> > > > stocks. The
> > > > > > > rating
> > > > > > > >     scale ranges from 1 (lowest) to 99 (highest). 
> Stocks 
> > > rating
> > > > > > below 70
> > > > > > > >     indicate weaker or more laggard relative price 
> > > performance.
> > > > > > > >     > http://www.investors.com/
> > > > > > > >     >
> > > > > > > >     >
> > > > > > > >     > Greg
> > > > > > > >     >
> > > > > > > >     >   ----- Original Message -----
> > > > > > > >     >   From: Phsst
> > > > > > > >     >   To: amibroker@xxxxxxxxxxxxxxx
> > > > > > > >     >   Sent: Saturday, December 13, 2003 4:52 PM
> > > > > > > >     >   Subject: [amibroker] Re: PositionScore Ideas
> > > > > > > >     >
> > > > > > > >     >
> > > > > > > >     >   Greg,
> > > > > > > >     >
> > > > > > > >     >   I'll be happy to do a comparison on just about
> > > > anything that
> > > > > > > might
> > > > > > > > be
> > > > > > > >     >   comparable to IDB's RS Rank.
> > > > > > > >     >
> > > > > > > >     >   I assume that (Total Return 13-Week) means (Pct 
> > > Price
> > > > > gain in
> > > > > > > >     >   13-Weeks), and so on?
> > > > > > > >     >
> > > > > > > >     >   Worth noting here, that IDB's RS Rank is a 
> score 
> > > between 1
> > > > > > > and 100
> > > > > > > >     >   that ranks each particular stock against the 
> whole 
> > > mkt
> > > > > for the
> > > > > > > >     past year.
> > > > > > > >     >
> > > > > > > >     >   But for positionscore pusposes, we are not 
> limited 
> > > to a
> > > > > > > score of 1 -
> > > > > > > >     >   100, so I can do the raw comparison of results 
> from 
> > > your
> > > > > > formula
> > > > > > > >     to QRS.
> > > > > > > >     >
> > > > > > > >     >   I'll post back later under this same Subject.
> > > > > > > >     >
> > > > > > > >     >   Regards
> > > > > > > >     >
> > > > > > > >     >   Phsst
> > > > > > > >     >
> > > > > > > >     >
> > > > > > > >     >   --- In amibroker@xxxxxxxxxxxxxxx, "Greg" 
> > > <gregbean@xxxx>
> > > > > > wrote:
> > > > > > > >     >   > Hi Phsst.
> > > > > > > >     >   >
> > > > > > > >     >   > Here is a formula that I have been told 
> closely 
> > > follows
> > > > > > > that of
> > > > > > > > IBD.
> > > > > > > >     >   Could you please do the comparison you offered ?
> > > > > > > >     >   >
> > > > > > > >     >   > RSW = .4*(Total Return 13-Week)+.3*(Total 
> Return
> > > > > > > > 26-Week)+.3*(Total
> > > > > > > >     >   Return 1-Year)
> > > > > > > >     >   >
> > > > > > > >     >   > Thanks,
> > > > > > > >     >   > Greg
> > > > > > > >     >   >   ----- Original Message -----
> > > > > > > >     >   >   From: Phsst
> > > > > > > >     >   >   To: amibroker@xxxxxxxxxxxxxxx
> > > > > > > >     >   >   Sent: Saturday, December 13, 2003 1:26 PM
> > > > > > > >     >   >   Subject: [amibroker] Re: PositionScore Ideas
> > > > > > > >     >   >
> > > > > > > >     >   >
> > > > > > > >     >   >   Al,
> > > > > > > >     >   >
> > > > > > > >     >   >   My favorite is the QP2 QRS value 
> (GetExtraData
> > > ("QRS").
> > > > > > > The QP2
> > > > > > > > QRS
> > > > > > > >     >   >   value is supposed to be a 'knockoff' of the 
> IBD 
> > > RS
> > > > > ranking
> > > > > > > > score.
> > > > > > > >     >   >
> > > > > > > >     >   >   I almost always get a significant boost 
> using 
> > > this
> > > > > ranking
> > > > > > > >     figure as
> > > > > > > >     >   >   as the positionscore.
> > > > > > > >     >   >
> > > > > > > >     >   >   If you do not have QP2, but have any ideas 
> > > about how
> > > > > to do
> > > > > > > >     your own RS
> > > > > > > >     >   >   Rank calculation, I'd be happy to run some 
> > > comparisons
> > > > > > > for you
> > > > > > > > (or
> > > > > > > >     >   >   anyone else) to measure your calculated RS 
> Rank
> > > > against
> > > > > > > QP2's
> > > > > > > > QRS
> > > > > > > >     >   rank.
> > > > > > > >     >   >
> > > > > > > >     >   >   Cheers,
> > > > > > > >     >   >
> > > > > > > >     >   >   Phsst
> > > > > > > >     >   >   --- In amibroker@xxxxxxxxxxxxxxx, "Al 
> Venosa"
> > > > > > > <advenosa@xxxx>
> > > > > > > >     wrote:
> > > > > > > >     >   >   > Hi, all:
> > > > > > > >     >   >   >
> > > > > > > >     >   >   > I've been experimenting with variuos 
> short 
> > > term
> > > > > trading
> > > > > > > > systems
> > > > > > > >     >   >   lately (average trade durations of about 2.5
> > > > days), and
> > > > > > > I was
> > > > > > > >     looking
> > > > > > > >     >   >   for ideas on how best to rank a watchlist 
> to 
> > > get the
> > > > > best
> > > > > > > >     candidates
> > > > > > > >     >   >   for portfolio trading a basket of 4 stocks. 
> I 
> > > was
> > > > > > > wondering if
> > > > > > > >     anyone
> > > > > > > >     >   >   would care to share any ideas on how you 
> use the
> > > > > > > PositionScore
> > > > > > > >     >   >   function to rank your candidate list (using 
> > > regular
> > > > > > > mode, not
> > > > > > > >     >   >   rotational mode). I've tried combinations of
> > > > > turnover and
> > > > > > > >     volatility,
> > > > > > > >     >   >   but I'd like to try other ideas. I'm not 
> asking 
> > > anyone
> > > > > > > to give
> > > > > > > >     away
> > > > > > > >     >   >   any secrets, and, yes, I am aware of TJ's 
> > > example
> > > > in the
> > > > > > > help
> > > > > > > > file
> > > > > > > >     >   >   (PositionScore = 100 -RSI());), but I was 
> just
> > > > > looking for
> > > > > > > >     more ideas.
> > > > > > > >     >   >   I'm not even sure if this question is too 
> vague 
> > > or
> > > > not.
> > > > > > > If it
> > > > > > > >     is, I'm
> > > > > > > >     >   >   sure you'll tell me. TIA.
> > > > > > > >     >   >   >
> > > > > > > >     >   >   > Al Venosa
> > > > > > > >     >   >   > advenosa@xxxx
> > > > > > > >     >   >   >
> > > > > > > >     >   >   >
> > > > > > > >     >   >   > ---
> > > > > > > >     >   >   > Outgoing mail is certified Virus Free.
> > > > > > > >     >   >   > Checked by AVG anti-virus system
> > > > > > (http://www.grisoft.com).
> > > > > > > >     >   >   > Version: 6.0.543 / Virus Database: 337 - 
> > > Release
> > > > Date:
> > > > > > > >     11/21/2003
> > > > > > > >     >   >
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