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Re: [amibroker] Efficient frontier, was: K-Ratio Question



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  Hello ,
         Nice website .Found some more good articles  that helped quite
a bit .
        Thanks.
  
  ---- N !! 


--- _sdavis <_sdavis@xxxxxxxxx> wrote:

> 
> Hi Natasha,
> 
> Since you asked about optimal asset allocation, you should learn
> about
> the concept of the efficient frontier in case you don't already know
> about it.
> 
> Start by looking here:
> http://www.riskglossary.com/articles/efficient_frontier.htm
> 
> Basically, the idea is to pick an optimal mix of investments in a
> portfolio for a given level of risk.
> 
> Cheers,
> Steve
> 
> --- In amibroker@xxxxxxxxxxxxxxx, Natasha !! <dynomitedoll_ddd@xxxx>
> wrote:
> > Hello  again , 
> >  
> >        I know its not exactly a cut and dried process and not very
> easy but any reference to any book or to some website where some info
> is available? or how are u going about it .I am basically interested
> in asset allocation optimally.
> >    
> >   Thanks
> > 
> >     N !! 
> >  
> > Natasha !! <dynomitedoll_ddd@xxxx> wrote:
> >  hello,
> >          My basic problem is that i have gone past the indicator 
> building part and i thought it was the tough part  , and reached a
> point where i have to build a portfolio and manage it.Basically i
> have
> reached a stage where i now have to develop a system to build and 
> maintain a portfolio and i really haven't   a clue how to go about
> it.I mean i can build and optimise a system  to my comfort and it can
> give me signals when to enter/exit .I can scan and it gives me
> various
> signals that are bulllish bearish and sideways but that is going slam
> bam i mean its not really methodical investing , they are just trade
> signals for the various stocks.Nothing to do with position size and
> asset allocation,cash position , how much to invest ,how much cash to
> have aside etc etc           I thought maybe one used the various
> ratios but how to use them ? May be a chart  or something to
> illustrate .Your mail was basically before the advanced modifications
> but i was wondering whether there was some
> >  chart  or graph to go about developing or to illustrate the state
> of the portfolio's  health .
> >  
> >  --- N !!   
> > 
> > Fred <ftonetti@xxxx> wrote:
> > 
> > N,
> > 
> > I'm not sure what you are wanting charts of ... However, you can 
> > make your own using the equity indicator I pointed at earlier.
> > 
> > --- In amibroker@xxxxxxxxxxxxxxx, Natasha !! <dy
> nomitedoll_ddd@xxxx> 
> > wrote:
> > > hello Fred ,
> > >          
> > >        With Reference to message 42537 :
> > >     *******************************************
> > >  42537       
> > > From: Fred Tonetti <fctonetti@>
> > > Date: Sun Jun 15, 2003 11:13am
> > > Subject: Re: Equity Line       fctonetti
> > > Offline Offline
> > > Send Email Send Email
> > >         
> > > Keith,
> > > 
> > > K-Ratio is a measurement of the straightness of the equity curve 
> > or how
> > > well the equity curve fits its own linear regression if you will.
> 
> > For
> > > compounding systems the measurement would be the straightness on
> a 
> > log
> > > scale. (See Attached)
> > > 
> > > UI = Ulcer Index. A measurement of downside volatility. The
> smaller
> > > this value is, the less investment ulcers one will have. It is
> the
> > > square root of the average of the squared retracements. One may 
> > think
> > > of it as the bottom half of the standard deviation. It does not
> > > penalize for upward volatility as does the standard deviation.
> > > 
> > > UPI = Ulcer performance Index. The greater this number the
> greater 
> > the
> > > reward per unit of downside risk. It is calculated by subtracting
> 
> > 5.4%
> > > from the annualized return to bring that return to the amount
> above
> > > risk free Treasury Notes over along period of time. The resultant
> 
> > is
> > > then divided by the Ulcer Index.
> > > 
> > > I also attached two charts of systems that I trade, the first of 
> > which
> > > makes infrequent trades and therefore by its nature must suffer 
> > more of
> > > the ups and downs then the second which is a frequent trader.
> > > 
> > > Fred
> > >   *********************************
> > > 
> > >     Please attach any charts to illustrate the above in your 
> > message
> > > .It would be a help .I am also at this stage and getting little 
> > bogged
> > > down .Thanks.
> > > 
> > >   --- N !!
> > > 
> > >           
> > > 
> > > --- Fred <ftonetti@xxxx> wrote:
> > > > 
> > > > Substitute whatever you want for Equity.
> > > > 
> > > > --- In amibroker@xxxxxxxxxxxxxxx, "steve_almond" <steve2@xxxx> 
> > wrote:
> > > > > 
> > > > > Fred,
> > > > > 
> > > > > I had already tracked down your formula for KRatio, but it 
> > > > > requires "Equity" to work (as in a backtest). I was hoping
> for 
> > > > > something which could calculate K-Ratio from price data. Am I
> 
> > > > asking 
> > > > > the impossible?
> > > > > 
> > > > > Steve
> > > > > 
> > > > > --- In amibroker@xxxxxxxxxxxxxxx, "Fred" <ftonetti@xxxx>
> wrote:
> > > > > > 
> > > > > > I think I posted an article some time back regarding the 
> > formula 
> > > > > for 
> > > > > > KRatio and you could probably find something related on the
> 
> > web. 
> > > > 
> > > > > > However the older, seeming incorrect ( although I like it 
> > > > better ) 
> > > > > > version of the formula can be found inside either of the 
> > > > > > portfolio.afl's in IO.zip in the files section as it's one 
> > of the
> > > > 
> > > > > > statistics that I show in the title of the equity curve I 
> > like to
> > > > 
> > > > > > use.  The number will NOT match what comes out of AB's 
> > statistics
> > > > 
> > > > > as 
> > > > > > that has the newer version in it.  However it wouldn't be 
> > > > > difficult to 
> > > > > > modify the calc to the newer version as it's only a
> slightly 
> > > > > different 
> > > > > > from the original formula.
> > > > > > 
> > > > > > --- In amibroker@xxxxxxxxxxxxxxx, "steve_almond" 
> > <steve2@xxxx> 
> > > > > wrote:
> > > > > > > 
> > > > > > > I know the backtest report includes the (new) K-Ratio. 
> > > > > > > Is it possible to calculate the K-Ratio and add it to an 
> > > > > Amibroker 
> > > > > > > Exploration AFL? I'm thinking to try and use it as a 
> > measure 
> > > > > > > of "Quality of Return" for comparing stocks over the past
> 
> > year 
> > > > > (for 
> > > > > > > example). I'm trying to identify stocks which have a 
> > > > consistent, 
> > > > > > > rather than extremely high, return.
> > > > > > > 
> > > > > > > Any help with the formula would be much appreciated.
> > > > > > > 
> > > > > > > Steve
> > > > 
> > > > 
> > > > 
> > > > 
> > > 
> > > Warm regards, 
> > > Natasha !
> > > 
> > >   
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > __________________________________________________
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> > 
> > 
> > 
> > 
> > 
> > Please note that this group is for discussion between users only.
> > 
> > To get support from AmiBroker please send an e-mail directly to 
> > SUPPORT {at} amibroker.com
> > 
> > For other support material please check also:
> > http://www.amibroker.com/support.html
> > 
> > 
> > 
> > 
> > 
> > Warm regards, 
> > Natasha !
> > 
> >   
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > __________________________________________________
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> > Please note that this group is for discussion between users only.
> > 
> > To get support from AmiBroker please send an e-mail directly to 
> > SUPPORT {at} amibroker.com
> > 
> > For other support material please check also:
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> > 
> > 
> > 
> > 
> > 
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> > 
> > 
> > 
> > Warm regards, 
> > Natasha !
> > 
> >   
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > __________________________________________________
> > Do You Yahoo!?
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> 
> 
> 
> 


Warm regards, 
Natasha !

  









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