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[amibroker] Re: Trade Analysis



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As I've stated before, I primarilly trade MF's where stops are 
meaningless.  About the only thing one could to provide a stop in 
this arena is to buy puts or sell futures, neither of which I do.

--- In amibroker@xxxxxxxxxxxxxxx, "phsst" <phsst@xxxx> wrote:
> I see... then how do you accomplish 'mental' stopS in your 
backtests?
> JUST KIDDING ;-)
> 
> Phsst
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "Fred" <fctonetti@xxxx> wrote:
> > Ive never used stop loss orders beyond mental ones.  As I've 
stated 
> > before stop loss orders don't work in the real world the way they 
> > work in trading systems for a variety of reasons including 
opening 
> > gaps, specialist activity etc. among others and there's really no 
way 
> > to simulate at least the specialist/market maker  activity.
> > 
> > --- In amibroker@xxxxxxxxxxxxxxx, "phsst" <phsst@xxxx> wrote:
> > > Fred,
> > > 
> > > Perhaps the term "extremely tight stops" means different things 
to
> > > different people.
> > > 
> > > What kind of stop loss stradegy do you prefer?
> > > 
> > > Phsst
> > > 
> > > --- In amibroker@xxxxxxxxxxxxxxx, "Fred" <fctonetti@xxxx> wrote:
> > > > Phsst,
> > > > 
> > > > I disagree. It is not practical in the real world to use 
> > extremely 
> > > > tight stops.  When you place stop loss orders the specialists 
by 
> > > > definition must know where they are and it's very easy for 
them 
> > to 
> > > > take the price of the stock down to where you order is, stop 
you 
> > out 
> > > > and then continue on.  This is how they make their living. 
> > > > 
> > > > --- In amibroker@xxxxxxxxxxxxxxx, "phsst" <phsst@xxxx> wrote:
> > > > > Fred,
> > > > > 
> > > > > You are correct.
> > > > > 
> > > > > And while I did not articulate it very well, dd info in AB 
> > should 
> > > > not
> > > > > be taken for granted.
> > > > > 
> > > > > The most accurate trading systems developed in AB are those 
> > which
> > > > > include STOPS so tight that the intra-trade variations in 
price 
> > are
> > > > > accounted for in the exit stradegy.
> > > > > 
> > > > > Regards,
> > > > > 
> > > > > Phsst
> > > > > 
> > > > > --- In amibroker@xxxxxxxxxxxxxxx, Fred Tonetti 
<ftonetti@xxxx> 
> > > > wrote:
> > > > > > Phsst & Others interested in this subject,
> > > > > > 
> > > > > > One of the problems with taking information from even a 
> > detailed 
> > > > report
> > > > > > in AB and exporting it to a CSV and then in turn 
importing 
> > into 
> > > > Excel is
> > > > > > that although it will properly show the Entry Date & 
Price 
> > and 
> > > > Exit Date
> > > > > > & Price, it does not show prices of whatever it is that's 
> > being 
> > > > traded
> > > > > > during the bars in between the entry and exit, therefore 
> > there is 
> > > > no way
> > > > > > using a methodology like that to come up with semi-
accurate 
> > > > numbers for
> > > > > > drawdowns .
> > > > > > 
> > > > > > Example .
> > > > > > 
> > > > > > For simplicity I used Pring's KST system trading AA i.e. 
only 
> > one 
> > > > stock
> > > > > > ...
> > > > > > 
> > > > > > As one can see from the report below there was a 7.1% CAR 
and 
> > > > 36.71%
> > > > > > drawdown on a close to close basis.
> > > > > > 
> > > > > > In looking at the Equity Line in the graph (attached)  
one 
> > can 
> > > > see here
> > > > > > too that there were the same results.
> > > > > >  
> > > > > > But if one does a copy of the actual detail trade 
information 
> > and 
> > > > paste
> > > > > > into Excel (See Attached) and adds columns for max equity 
and 
> > > > drawdown%
> > > > > > and then at the bottom of the column takes the maximum of 
> > > > drawdown%, the
> > > > > > result shows an incorrectly low 27.67%.  The reason of 
course 
> > is 
> > > > that
> > > > > > the detailed report from AB and thus Excel does not show 
what 
> > > > happened
> > > > > > during the course of time that individual trades were 
being 
> > held.
> > > > > > 
> > > > > > In looking at what is in the AB reports when multiple 
stocks 
> > are 
> > > > traded
> > > > > > some of which could be simultaneously or overlapping 
> > investments 
> > > > there
> > > > > > are several problems.
> > > > > > 
> > > > > > 1.	AB apparently assumes that one must have enough 
> > capital to buy
> > > > > > say $10k of every stock in the run and so it forces 
initial 
> > > > equity to be
> > > > > > higher then it needs to be.
> > > > > > 2.	AB reports as MaxDD what is the MaxDD for one stock 
> > trade and
> > > > > > although in some way this may be useful information it 
> > overstates 
> > > > what
> > > > > > MaxDD is for the account.  Beyond this though and given 
what 
> > > > information
> > > > > > is available in the detailed report trading only one 
stock, 
> > it 
> > > > would not
> > > > > > be possible to export all the trades for multiple stocks 
and 
> > get 
> > > > a semi
> > > > > > clear picture of what Returns or MaxDD for the system 
is.  
> > This 
> > > > would
> > > > > > have to be done using a different methodology, probably 
> > utilizing 
> > > > an
> > > > > > exploration.


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