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[amibroker] Re: Jake Bernstein Momentum formula



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It's just an opinion, but it is based on observation.

I'm referring to systems designed by optimising lookback periods.

I'm happy to be proved wrong ...so you are saying we can achieve 
better than 30-40%PA, on long term average (through various market 
cycles) using 'optimisation of lookback period' techniques? (EOD, no 
leveraging).

brian_z

--- In amibroker@xxxxxxxxxxxxxxx, "bilbo0211" <bilbod@xxx> wrote:
>
> "I will stick to my prediction that around 30%PA EOD trading is a
> limit for indicators that use lookback periods and that to achieve
> more than this requires a different approach (as I say you are both
> correct except I believe that Steve is talking about >30%PA 
returns)."
> 
> Is this just your opinion or do you have something that approaches
> 'scientific proof' of this allegation?
> 
> In "The Profit Magic of Stock Transaction Timing" by J M Hurst, the
> author claims the theoretical maximum annual ROI for stock trading 
is
> 2400%. ROI is directly related to the holding period for each trade
> and being fully invested at all times (the 'Magic' is in the power 
of
> compounding).
> 
> Hurst recorded the results of a 6 week real time trading experiment 
in
> which his performance trading high beta stocks approached his
> theoretical maximum annual ROI.
> 
> Hurst waited until the dominant cycles in his trading instrument 
were
> in alignment before trading (this is also called multiple time frame
> or multiple fractal alignment). He primarily used daily and weekly 
charts.
> 
> The theoretical maximum ROI is actually much higher than 2400% if 
you
> use intraday charts and leveraged trading instruments.
> 
> If you look in the Amibroker Trading System Yahoo group, you will 
find
> a poll of results of people's mechanical trading systems. IIRC, the
> best ones listed returned over 400% per year.
> 
> Bill
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "brian_z111" <brian_z111@> wrote:
> >
> > 20 - (- 9.3_ == approx delta 30% PA in my books.
> > 
> > Thanks Yuki for confirming this.
> > Now I don't have to post a 30% system (as I promised Louis) to 
prove 
> > my benchmark is correct.
> > 
> > Actually I agree with both you and Steve (the real problem is 
> > semantics since IMO close analysis would show that most of us are 
> > moementum traders and also that most of us are using a kind of 
S/R in 
> > some way - the difference is how we perceive and define these 
things).
> > 
> > I will stick to my prediction that around 30%PA EOD trading is a 
> > limit for indicators that use lookback periods and that to 
achieve 
> > more than this requires a different approach (as I say you are 
both 
> > correct except I believe that Steve is talking about >30%PA 
returns).
> > 
> > (Steve - care to confirm?)
> > 
> > brian_z
> > 
> > 
> > 
> > 
> > --- In amibroker@xxxxxxxxxxxxxxx, Yuki Taga <yukitaga@> wrote:
> > >
> > > Gee, then I guess I should give back my ~20 percent a year that 
is
> > > largely based on short-term momentum swings, yes?  (I'm sitting 
plus
> > > 13 percent YTD this year already, as of yesterday, versus -9.3
> > > percent for my Nikkei 225 benchmark.)
> > > 
> > > You do have to be agile however.  And you cannot overstay your
> > > welcome.  But the money is there for momentum systems if 
designed
> > > and tested properly.
> > > 
> > > "Support" exists, but everyone knows where it is.  Exactly 
where it
> > > is.  And somebody (I'll leave it to you to guess who) is going 
to
> > > ring the bell and tell you that (resistance failed) or (support
> > > failed).  What are you going to do, then?  You're going to stop
> > > yourself out of course.  With a loser.
> > > 
> > > Which is likely to be more profitable, and for a longer period 
of
> > > time?  Systems that compel you to do the psychologically 
difficult,
> > > or systems that suggest that you do the patently obvious?
> > > 
> > > Is there anyone beyond 7th grade that doesn't know where 
support and
> > > resistance is?  Are there great systems that rely on widely 
known
> > > community knowledge?
> > > 
> > > Look for a system that has good metrics, but a system that also
> > > suggests that what you need to do will be psychologically 
difficult
> > > for you to do, in spite of having back-tested results 
indicating 
> > that
> > > you are foolish if you *don't* do it.  Then you are good to go, 
as
> > > they say.  Good to go as long as you do it, of course.
> > > 
> > > If your system is easy to follow (by that, I mean that it's
> > > psychologically easy for you to make the trades), it's probably 
a
> > > loser.  And vice-versa.  The best systems have good metrics, yet
> > > despite that they almost defy the trader (psychologically) to 
make
> > > the trades.  There is no free lunch.
> > > 
> > > Yuki
> > > 
> > > Thursday, May 8, 2008, 11:50:01 AM, you wrote:
> > > 
> > > 
> > > s> Anthony,
> > > 
> > > s> Do yourself a big favor.  Don't waste your precious time on 
this 
> > > s> earth with this kind of drivel.   Chasing price with 
momentum 
> > > s> indicators is not going to get you where you want to be.
> > > 
> > > s> Coming up with a support/resistance system is all you need 
to 
> > make 
> > > s> whatever you want from the markets.
> > > 
> > > s> I've seen hundreds of traders get wiped out trying to go on 
the 
> > path 
> > > s> you're following and all of the successful traders I've been 
> > around 
> > > s> in the e-mini futures have used S/R as the foundation of 
their 
> > > s> trading methodology.
> > > 
> > > s> And, above all, embrace your emotions in trading because 
they 
> > teach 
> > > s> you what you should and shouldn't do going forward.  
Computers 
> > learn 
> > > s> nothing while you learn from every win and loss you make.
> > > 
> > > s> Finding an edge in trading is easy.  It's only hard if 
you're 
> > using a
> > > s> computer to find a needle in a haystack because you didn't 
make 
> > a 
> > > s> good enough investment in real-time observations of the 
markets 
> > while
> > > s> researching an edge you'd like to trade..   That makes all 
the 
> > > s> difference in the world for knowing what works and what 
doesn't.
> > > 
> > > s> You'll come up with 10 edges to trade if you put the time in 
to 
> > > s> experience a live market on a regular basis without trying 
so 
> > hard.  
> > > s> It will bring out your imagination and creativity to find 
what 
> > you're
> > > s> looking for.   
> > > 
> > > s> I wish someone had told me that 4.5 years ago when I started 
> > trading 
> > > s> the ER2 e-mini.  It would have saved me a lot of time 
chasing 
> > > s> nonsense.
> > > 
> > > 
> > > s> --- In amibroker@xxxxxxxxxxxxxxx, "ihsaham" <ihsaham@> wrote:
> > > >>
> > > >> Hai Tomasz,
> > > >> 
> > > >> This is simple Jake Bernstein Momentum Formula for chart and 
> > > s> scanner.
> > > >> Please help me give arrow buy and sell. Buy arrow is Green 
> > colour 
> > > s> and 
> > > >> Sell Arrow is Red Colour. 
> > > >> 
> > > >> I really appreciate and thanks for you in advance. 
> > > >> 
> > > >> Best Regards,
> > > >> Anthony Idic
> > > >> 
> > > >> 
> > > >> 
> > > >> _SECTION_BEGIN(" $ Momentum ");
> > > >> 
> > > >> 
> > > >> /* Bernstein Momentum Indicator */
> > > >> /* Set Scaling to Automatic, Show dates On, Percent On, 
Middle 
> > On */
> > > >> 
> > > >> Title = "Bernstein MOM Close - Ref(Close,-7)"; 
> > > >> GraphXSpace = 5;
> > > >> Graph0 = MA(Close - Ref(Close,-7),1); 
> > > >> Graph0Style = 5; 
> > > >> Graph0Color = 29;
> > > >> Graph1 = MA(Graph0,5);
> > > >> Graph1Style = 1;  
> > > >> Graph1Color = 32;
> > > >> 
> > > >> 
> > > >> DaysAgo =Optimize("DaysAgo",-28,-40,-16,4);
> > > >> Fast = Optimize("Fast", 1, 1,5,1);
> > > >> Slow = Optimize("Slow",28,16,40,4);
> > > >> /* Note: It is merely a coincidence that DaysAgo and Slow 
use 
> > the 
> > > >> same parameter set. */
> > > >> 
> > > >> Buy = Cross( MA(Close - Ref(Close,DaysAgo),Fast),
> > > >> MA(Close - Ref(Close,DaysAgo),Slow) );
> > > >> 
> > > >> Sell = Cross( MA(Close - Ref(Close,DaysAgo),Slow),
> > > >> MA(Close - Ref(Close,DaysAgo),Fast) );
> > > >> 
> > > >> 
> > > >> Short = Cross( MA(Close - Ref(Close,DaysAgo),Slow),
> > > >> MA(Close - Ref(Close,DaysAgo),Fast) );
> > > >> 
> > > >> Cover = Cross( MA(Close - Ref(Close,DaysAgo),Fast),
> > > >> MA(Close - Ref(Close,DaysAgo),Slow) );
> > > >> _SECTION_END();
> > > >>
> > >
> >
>



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