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[RT] Systematic vs. Discretionary



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<DIV><FONT size=2>I think one of the critical decisions a trader makes, and one 
of the true distinctions between trading styles is systematic vs. 
discretionary.<FONT size=2>&nbsp; When I say systematic trading, I mean 
mechanical trading, X closes under Z with A, B, C in line, I sell with a stop at 
Y&nbsp;EVERY time.</FONT></FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT size=2>I will make the argument for systematic trading and invite 
someone to do the same for discretionary.</FONT><FONT size=2>&nbsp; This is my 
opinion derived from what I consider to be a fairly solid argument.&nbsp; People 
have made money with all types of trading, so I do not begin to suppose that 
what I believe is the only or even necessarily the best way to profit.&nbsp; I 
do believe that my points are valid and do provide the path of least resistance 
to successful trading.&nbsp; I will also (and I encourage anyone arguing for 
discretionary to as well) constrain my points to sys. vs. disc. only, not 
subsets of each class.&nbsp; I will try to stay as objective as 
possible.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT size=2>The major advantage that systematic trading offers 
is&nbsp;that</FONT> <FONT size=2>it removes as much human emotion as possible 
from the trading decision. Human nature wires us to be losers in the markets. 
Problems at home, traffic, surroundings etc. all affect our emotional 
disposition, which in turn usually affects our market perceptions. It is rare to 
be able to make clear, consistent, rational trading decisions under the 
circumstances of life. It is very difficult to keep your 'mood', good or bad, 
out of your thinking process.&nbsp; With a system the traders reactions to the 
market environment are determined outside of market hours allowing for the 
maximum amount of reflection and&nbsp;for the best judgment of the trader.&nbsp; 
This has not even begun to consider how much affect our recent trading results 
can have on our decision making process.&nbsp; Win a lot, feel good, overly 
aggressive.&nbsp; OR&nbsp; Win a lot,&nbsp;afraid of losing it, overly 
conservative.&nbsp;&nbsp;Lose a lot, want it back, double down...etc. 
</FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>Second major advantage is that of consistency.&nbsp; Most 
strategies work sometimes and don't work sometimes.&nbsp; One needs consistent 
application of a theory over a large set in order to catch the good and the 
bad.&nbsp; A system trader by definition will make the same decisions to the 
same relevant information time after time, year after year.&nbsp; He/she allows 
creativity to come out during research and testing, but&nbsp;reacts the actual 
trading process like a robot.&nbsp; The model of consistency.&nbsp; The burden 
of consistency on a discretionary trader is enormous.&nbsp; When one 
is&nbsp;discussing a trading career that may last into the decades, one can see 
how hard it is to use the same thought process again and again.&nbsp; Weigh the 
same factors again and again.&nbsp; Another note is the incredible pressure 
placed on the trader and&nbsp;the wear it might have over a lifetime, 
particularly if decisions are being made 'on the fly'.&nbsp; You have had a 
solid year as a discretioary trader.&nbsp; Can you be sure that you can repeat 
that performance again and again and again?&nbsp; There is much less day to day 
pressure on the systematic trader.</FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>A third advantage is in testing theories and delineating 
between problems with the method or mistakes by the trader.&nbsp; Discretionary 
trading can not be back tested, and it is very difficult to judge the underlying 
theory, since the individual trader plays such a large roll.&nbsp; The only way 
to judge a discretionary method is by real time trading and even then one can 
not place the cause of losses.&nbsp; For example let's say I am trading 
discretionary method X, and I am not making money. Am I going through a normal 
down period? Am I bringing too much emotion and inconsistency into my decisions? 
Are my problems or triumphs at home influencing my trading? Or, does method X 
not give me a market edge? How do you tell? Am I looking at the wrong 
fundamental factors/market patterns, or am I nervous about my impending wedding, 
or does the entire idea just not work?&nbsp; Systematic trading avoids these 
paradoxes. Systems can be back tested and future performance, therefore, 
estimated. Emotions are removed, and broken rules alert the trader to their 
re-appearance. Discipline and consistency are much easier to have and to track 
when one trades a system.&nbsp; If losses occur, one can say, "Have the rules 
been followed?"&nbsp; If they have, you know the problem lies within the 
method.&nbsp; If not, the problem lies with the trader.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT size=2>Last, discretionary trading attracts many weaknesses of our 
psyche.&nbsp; With discretionary trading we might be able to sell the high, buy 
the low, or be 'right'.&nbsp; Market prediction becomes foremost.&nbsp; We can 
become too tied to each individual trade or decision rather than seeing them in 
their proper context as one of a very large 
set.&nbsp;&nbsp;Discretionary&nbsp;trading's siren song is the possibility of 
all winners or to be all knowing or to have figured out some market order to the 
nth degree.&nbsp; While these things may or may not be possible, they are NOT 
necessary in order to make large trading profits.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT size=2>Scot Billington</FONT></DIV></BODY></HTML>
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  <DIV align=left class=OutlookMessageHeader dir=ltr><FONT face=Tahoma 
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  1/23/00<BR><BR></DIV></FONT><FONT size=3>Realtraders, <BR><BR>&nbsp; As many 
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From: Gwenael Gautier <ggautier@xxxxxxxxxxx>
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Subject: [RT] Re: inflation/implication on bonds
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Just a plain stupid question: everybody here seems to dread inflation like
hell. Is there anything bad to it? I mean why would a 4% inflation be
bearish...? It has been there before, and it didn't prevent markets from
rising. BTW, in Ben's numbers, I am sorry, but really I am not impressed by
any inflation except for oil. But then who cares about oil in our economies.
In Europe Oil is 4 times more expensive than in the US, DOes it make a
difference? NO.

What is dangerous for markets, is lack of confidence. If people are scared
of losing their wealth, they'll pull liquidity, but if not, they'll keep
adding, with or without moderate inflation.

IMHO

Gwenn



swp wrote:

> Ben -
>
> 1) It is Poser, not Posner.
>
> 2) I am a technical analyst who happens to have a degree in economics.
>
> With that out of the way, I can give you lots of on the one hand and on
> the other hand.
>
> First of all, before I get into all of my equivocating, be aware that I
> do believe that inflation is likely to pick up. I would not be at all
> surprised to see US CPI inflation reach 3.5% (core could only reach 3.0%
> or so). Currently total is at 2.7% and core is around 1.9%. I doubt that
> we can get as high as 4.0% total and 3.5% core. Given that the long bond
> is at a real rate of 4.0%, which is relatively high historically, I
> suspect that we could see a pinch sooner or later.
>
> As far as the CRB goes, it does not have a sterling record as far as I
> can tell predicting inflation. Studies have been done on it, and that is
> what it has shown. Much of the CRB itself focuses on the non-core food
> and energy sectors. The remainder is manufacturing based commodities.
> The US is no longer a commodity based or manufacturing based economy. If
> I remember correctly, US GDP is more than 60% services. Of course,
> services by heat and electric and that is affected by energy inputs.
> But, did your electric bill go down when oil fell? I do not think that
> regulators will allow utilities to raise rates, and competition will
> keep electric prices better in check. Heating oil and nat. gas are a
> different story, but at least a correction, and a deep one, is due from
> $30-$32 per barrel in oil.
>
> Going quickly back to the CRB, there is a possible wave count that says
> the bottom from last year was not the final bottom. It is not my
> preferred count, but we only last week retraced even 38% of that fall.
> The CRB is barely above where it was when the Russian debt crisis began
> and caused a deflationary scare.
>
> Of course, much of the inflation in the USA is wealth effect related.
> But, if the stock market crumbles at some point this year, that will be
> largely ameliorated. If it happens quickly enough, the psyche of the
> consumer will not become inflation oriented and prices will stabilize. I
> do not think we need a crash in equities for that, just a nice 30% or so
> drop over a year or so to remind people that it is not a one way bet
> (and enough to clobber some of the nasty equity borrowing habits going
> on out there).
>
> Note that it is not just the Fed. Yes, the US economy is stronger than
> just about anywhere else, but rates are near nil in Japan and extremely
> low in Europe (except the UK). We shifted from deflation scare to
> inflation pretty quickly. But, much of what caused the disinflation of
> the 1990s still exists:
>
>     Productivity gains, which are probably still under reported.
>
>     Competition from emerging markets.
>
>     Free trade.
>
>     The internet.
>
> Overall, I am concerned and do expect that inflation has higher to go. I
> do not believe that commodity prices are a fair measure. Also, look at
> producer prices. You will see lots of time with deflation (falling
> prices), but consumer prices did not fall. So, you have a situation of
> lower raw materials and better productivity, but stable to slightly
> higher prices. That means margins increased. Companies will likely be
> able to hold prices steady a while longer before margins are
> significantly pressured.
>
> So, yes, inflation has bottomed for now. Yes, inflation is likely to
> increase. Yes, the Fed has messed up. It never should have cut in
> November 1998 and should have started raising rates sooner. But, no we
> are not likely to get an inflation spiral, and a crash is possible in
> equities, but unless you consider 30% a crash, my opinion is that it is
> not super likely.
>
> Steve
>
> ---
> Steven W. Poser, President
> Poser Global Market Strategies Inc.
>
> url: http://www.poserglobal.com
> email: swp@xxxxxxxxxxxxxxx
>
> Tel: 201-995-0845
> Fax: 201-995-0846
> ----- Original Message -----
> From: <Proffittak@xxxxxxx>
> To: OnWingsOfEagles@xxxxxxxxxxxxx <realtraders@xxxxxxxxxxxxxxx>
> Sent: Saturday, January 22, 2000 2:56 PM
> Subject: [RT] inflation/implication on bonds
>
> > Hello
> >
> > This is now the  9Th  week in which  inflation  is showing in full
> force
> >
> > Where?
> >
> > here are the Prof
> >
> > Baron's page  MW 15 this weekend
> >
> >                 year ago   last week   today
> > crb             190.50     208.01     211.51
> >
> > industrial     183.90     202.19     205.21
> >
> > grains/oils    172.7    169.78       171.69
> >
> > livestock       208.90  248.19      249.94
> >
> > energy          132.5     233.39     243.45
> >
> > precious metals234.7  243.88      250.15
> >
> >
> > Steve  posner  and  all other  economist   feedback welcome
> >
> > have a great weekend
> > Ben
> >
> >
> >
> >