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[amibroker] Re: Desperate AFL Question!!! Percentile Ranking



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Fred,

Would you not use Percentile function in this to capture symbols in 
the 98 percentile?

Thanks, Samantha

--- In amibroker@xxxxxxxxxxxxxxx, "Fred" <ftonetti@xxx> wrote:
>
> So then if you are looking to have high position scores on the on 
the 
> ones that meet the criteria then ...
> 
> ROCMA135 = ROC(MA(C, 135));
> 
> PositionScore = IIf(Volume >  100000 AND
>                     Volume >  Ref(Volume,-1) AND
>                     Close  <= 1.1  * Ref(Close, -22) AND 
>                     Close  >= 1.04 * Ref(Close,-1), ROCMA135, 0);
> 
> Filter = PositionScore > 0;
> 
> AddColumn(ROCMA135, "ROC MA 135", 1.2);
> 
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "samu_trading" <samu_trading@> 
> wrote:
> >
> > Fred,
> > 
> > Thanks so much - I'll try it in alittle bit.
> > 
> > The gist of the system is according to Pradeep price momentum. 
You 
> > want to find the top movers of last 6 month. Then the additional 
> > filters are volume>100,000, today's volume higher than 
yesterday's, 
> > today's price breaks out 4+% above yesterday's, but last month's 
> > rate of change was below +10%. This way you capture the top 
> > performers whioch were not doing so well in the last month, but 
> > nontheless broke out yesterday. The rest of the filter criteria 
> > would look like this:
> > 
> > AND Volume>100000 AND Close<=1.1*Ref(Close,-22) AND Volume>Ref
> > (Volume,-1) AND Close>=1.04*Ref(Close,-1);
> > 
> > The one month's weakness could be where pattern recognizer find 
> > cup&handle etc. But I like better mechanical approach as I find 
> > discretionary trading hopeless for me.
> > 
> > Thanks, Samantha
> > 
> > --- In amibroker@xxxxxxxxxxxxxxx, "Fred" <ftonetti@> wrote:
> > >e 
> > > Something like what's below will give you this as of the most 
> > current 
> > > bar for all the stocks in a particular watch list.  The 
question 
> > > is ... What are you going to do with the top 2% once you have 
> > > identified them either manually or via the AFL ?
> > > 
> > > ROCMA135 = ROC(MA(C, 135));
> > > 
> > > Filter = BarIndex() == LastValue(BarIndex());
> > > 
> > > AddColumn(ROCMA135, "ROC MA 135", 1.2);
> > > 
> > > --- In amibroker@xxxxxxxxxxxxxxx, "samu_trading" 
<samu_trading@> 
> > > wrote:
> > > >
> > > > All,
> > > > 
> > > > I cannot get a handle on this; can someone please elp?
> > > > 
> > > > I would like to screen for price change from average price 
of 
> > last 
> > > 135 
> > > > days. Something like filter=roc(ma(c,135)).
> > > > 
> > > > Then I would like to get ONLY the 2% symbols with highest 
rate 
> > of 
> > > > change from average of last 135 days.
> > > > 
> > > > How can I write this?
> > > > 
> > > > This is for a simple price momentum system. It's worth 
> > > investigating 
> > > > and stems from Pradeep at the stockbee blog, called "son of 
> > double 
> > > > trouble".
> > > > 
> > > > 
> > > > Thanks, Samantha
> > > >
> > >
> >
>




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