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> It provides a perfectly aligned rate of change (absolutely no drift)
> for the last one year of trading (updated daily). Furthermore,
> implementing MetaStock's "Security" function now allows MetaStock to
> display charts of as many indexes and ETFs as I wish all in one
> chart with values that are comparable to one another (apples to
> apples).
There is just one snag:
If the charts you are comparing have different last data dates, the
whole comparison(s) will be out of step. This can happen often with
security/index Relative Strength Comparative studies.
jose '-)
http://www.metastocktools.com
--- In equismetastock@xxxxxxxxxxxxxxx, "Larry Carhartt" <lc@xxxx>
wrote:
> Roy,
>
> Thank you again for the code on finding the price of a specific time
period
> ago and setting it as a constant. I added one more simple line of
code so
> this is what it looks like:
>
> {Price 1 Year OLD}
> Sm:=LastValue(Month());
> Sd:=LastValue(DayOfMonth());
> Sy:=LastValue(Year()-1);
> Start:=(DayOfMonth()>=Sd AND Month()=Sm AND
> Year()=Sy) OR Year()>Sy OR (Year()=Sy AND Month()>Sm);
> Date:=Cum(Start)=1; {Date}
> YearAgoPx:=LastValue(ValueWhen(1,Date,C));
>
> ((C-YearAgoPx)/YearAgoPx)*100
>
> It provides a perfectly aligned rate of change (absolutely no drift)
for the
> last one year of trading (updated daily). Furthermore, implementing
> MetaStock's "Security" function now allows MetaStock to display
charts of as
> many indexes and ETFs as I wish all in one chart with values that
are
> comparable to one another (apples to apples). Prior to the one year
ago
> date, prices are still comparable, the one year ago price being zero
for any
> index or ETF compared (of course this would work with individual
securities
> also). This comparability opens up numerous possibilities.
>
> I try to put as much calculation into MetaStock as possible (as
opposed to
> my plug-in) and your code did the trick in this case. You never
cease to
> amaze me. I will make certain that you (and your site) receive
credit for
> your assistance on my web site. Thank you again.
>
>
> Best,
>
> Larry Carhartt
>
> MasterDATA
> The Only Source for Index & ETF Composite/Breadth Reports, Charts &
Data
> <http://www.masterdata.com/> www.MasterDATA.com
> <mailto:lc@x...> lc@xxxx
> 818-701-6686
>
>
> -----Original Message-----
> From: equismetastock@xxxxxxxxxxxxxxx [mailto:
equismetastock@xxxxxxxxxxxxxxx]
> On Behalf Of Richard Dale
> Sent: Sunday, September 18, 2005 6:39 PM
> To: equismetastock@xxxxxxxxxxxxxxx
> Subject: RE: [EquisMetaStock Group] Constant price from a specific
date
>
>
> Here it is in a format that recognises 1 year ago. The compare
statement in
> the valuewhen also resolves the problem of one year ago falling on a
> non-trading day.
>
> {do not change these}
> daynum := Cum(1);
> totaldays := LastValue(daynum);
> fulldate := Year()+Month()/12+DayOfMonth()/365;
>
>
> {config section}
> constantneeded := C;
> dateneeded := LastValue(fulldate)-1;
>
> priceneeded := ValueWhen(1,yearagodate > Ref(fulldate,-1) AND
yearagodate <=
> fulldate,constantneeded );
>
> {Plot priceneeded}
> priceneeded;
>
> Best regards,
> Richard Dale.
> Norgate Investor Services
> - Premium quality Stock, Futures and Foreign Exchange Data for
> markets in Australia, Asia, Canada, Europe, UK & USA -
> www.premiumdata.net <http://www.premiumdata.net/>
>
>
>
> _____
>
> From: Larry Carhartt [mailto:lc@x...]
> Sent: Monday, 19 September 2005 8:11 AM
> To: equismetastock@xxxxxxxxxxxxxxx
> Subject: [EquisMetaStock Group] Constant price from a specific date
>
>
> Is there a way to set a constant value representing the price of a
specific
> date? For instance, ref(c,-250) would give you the close price from
> approximately one year ago. With this formula, when MetaStock
calculates
> the indicator, the close of one year ago will be calculated on each
bar of
> data. What I need is the price one year ago from today and that
price
> remains a constant for all previous bars to use in a calculation. I
realize
> I could enter the constant manually, but that does not allow for
automation
> and certainly leaves room for error.
>
> Can this be done in MetaStock? I hope I am being clear on what I
need.
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