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[amibroker] Mathematical question.



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Stephane,
I'd be interested in your script.

TIA

--- In amibroker@xxxxxxxxxxxxxxx, "Stephane Carrasset" 
<s.carrasset@xxxx> wrote:
> Hermann,
> 
> I have never used EOD indicators with intradays trading system.
> But, I see now your problem...
> I put in the same workspace EOD and intradays datas
> go to file/database settings and set base time interval to 1 minute.
> 
> and compare the values of simple moving average of an EOD ticker
> price=Foreign("999150","C");
> Plot(MA(price,20),"",colorRed,styleLine);
> Plot(MA(price,5),"",colorGreen,styleLine);
> 
> on an intraday ticker.
> the Chart returns very strange values...
> 
> 
> For your trailing stop, activated only when a profit is reached, I 
> have a script that i can send to you
> 
> stephane
> 
> 
> 
> 
> 
> 
> 
> <psytek@xxxx> wrote:
> > [d]Or are you trying to take an EOD system and trying to make 
your 
> system
> > "more granular" and pick the same patterns in intraday data?
> > 
> > I am mainly trying to improve Entries and Exits, i am not looking 
> for
> > patterns. The systems work fine in EOD but I observed on the RT 
> charts that
> > i often miss locking in some really nice profits that fade before 
I 
> exit. So
> > i want to code in Trailing stops that activate at a certain 
profit 
> and than
> > exit when the price drops back a bit. For example, if my profits 
> reaches 2%
> > during the first two hours of the trade, then i want to activate 
a 
> Stop and
> > exit when my profits drop back to 1.5%. ApplyStops cannot be used 
> in very
> > short-term (1-3 days) trading because on the day of exit it is 
> unknown which
> > came first, the High or the Low, or with profit stops, how many 
> dips there
> > were during the day that would have terminated the trade. RT data 
> is needed
> > to develop proper stops. limits, etc. with the short trades i use.
> > 
> > If i trade 1-3 times a week and i might be able to reduce my 
> exposure by 50%
> > if I managed to get out based on profits instead of timing. I 
would 
> prefer
> > overall less profits if it came with less exposure. Also, the 
> strength of
> > signals fades pretty fast... have you ever tested your n-Bar 
> profits? i.e.
> > profits made on the 1st, 2nd and 3rd day? You can vary the entry 
> delay and
> > use n-Bar stops to limit the trade duration, that way you 
> can "isolated"
> > single days (profits) of your trade. For me, typical profit 
> distributions
> > might be 65% 25% 10% for a system with an average of 3-bar 
trades. 
> So the
> > first day obviously has the greatest profit potential at the 
least 
> exposure.
> > IMHO, short term signals have a limited life-time: after a 
certain 
> number of
> > days you are just hoping to get lucky :-) knowing your n-Bar 
> profits may
> > help you decide whether it is worth it (risk) to stay in a trade 
or 
> not.
> > 
> > [d] IMHO you are in un-charted waters as far as AB goes.
> > 
> > We got some smart cookies on this list, I just can't believe that 
> nobody is
> > working on this; it appears the obvious way to keep your EOD 
system 
> working
> > now that RT trading is catching on. So I hope you are wrong on 
this 
> one :-)
> > 
> > h
> >   -----Original Message-----
> >   From: dingo [mailto:dingo@x...]
> >   Sent: Friday, April 09, 2004 11:21 AM
> >   To: amibroker@xxxxxxxxxxxxxxx
> >   Subject: RE: [amibroker] Real-Time Trading System Examples
> >   Importance: High
> > 
> > 
> >   IMHO you are in un-charted waters as far as AB goes.
> > 
> >   Are you trying to come up with a system to do backtesting with 
or 
> one to
> > monitor trades / manage stops for real-time trading?  Or are you 
> trying to
> > take an EOD system and trying to make your system "more granular" 
> and pick
> > the same patterns in intraday data?
> > 
> >   d
> > 
> > 
> > ------------------------------------------------------------------
--
> --------
> >     From: Herman van den Bergen [mailto:psytek@x...]
> >     Sent: Friday, April 09, 2004 11:14 AM
> >     To: AmiBroker YahooGroups
> >     Subject: [amibroker] Real-Time Trading System Examples
> > 
> > 
> >     Would anybody have some example code for Real Time trading 
> systems? I
> > have considerable trouble converting EOD systems to RT data - 
tried 
> too many
> > ways to mention but always hit a snag at some advanced point. My 
> problem
> > areas are:
> > 
> >     1) Converting or duplicating EOD signals to RT, I need this 
> because EOD
> > data prices are more accurate than those I get from RT sources.
> >     2) Running the basic EOD system in RT, i.e. reproduce EOD 
> signals in RT.
> > I want this as a verification stage before trying to enhance the 
> system with
> > RT data
> >     3) Custom coding Profit targets, Limit Prices and Stops.
> >     4) Optimizing entry points by using Pre/after hours trading 
> and/or using
> > delayed/early entries and exits.
> >     5) Showing EOD Arrows (derived from EOD data, not from RT 
data) 
> on my
> > minute charts.
> > 
> >     If anybody has example code or reference URLs to share that 
> would be
> > much appreciated.
> > 
> >     Also, i am beginning to wonder how many subscribers, if any, 
> have
> > actually solved the above problems. If you have done so perhaps 
you 
> can
> > share this simple fact (no code needed), knowing that it has been 
> done
> > successfully is a great motivator :-)
> > 
> >     TIA and best regards,
> >     herman.
> > 
> > 
> > 
> > 
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