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Let me add a clarification.
If you set the periodicity to N days, where N is
any number you please, Metastock will plot a bar every N days, it will not plot
a bar every day that represents the price and volume action of the past N
days.
Lionel Issen<A
href="mailto:lissen@xxxxxxxxxxxxxx";>lissen@xxxxxxxxxxxxxx
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
----- Original Message -----
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black">From:
Lionel
Issen
To: <A title=metastock@xxxxxxxxxxxxx
href="mailto:metastock@xxxxxxxxxxxxx";>metastock@xxxxxxxxxxxxx
Sent: Thursday, August 23, 2001 9:43
AM
Subject: Re: Weekly/Monthly data
John:
No you can't. Try it and see.
I had called tech support on this and they agreed
that it can't be done in Metastock. You can do it using excel.
<FONT face=Arial
size=2>
From on line help
The Periodicity page is located in the
X-Axis Properties dialog. Choose X-Axis from the Format menu, or
right-click on a chart's x-axis and choose X-Axis Properties from the shortcut
menu.Use the periodicity page to specify the periodicity of the
data. For example, if your chart contains daily data, you could change
the data into weekly bars. If your chart contains local data, you
may only change the periodicity upwards (e.g. daily to weekly).When the
periodicity is changed, the same number of periods is retained.
Volume and open interest are summed
over the new period. For example, monthly periodicity displays the sum
of the entire month's volume.The Other periodicity option allows you to
control the number of periods over which to compress the data. This
allows you to view the data using non-standard periods. For example, a
periodicity of eight periods with daily data loaded would display a price bar
every eight trading days.You can also change the periodicity by
right-clicking on the x-axis and choosing Periodicity from the shortcut
menu.
You can also click the
Periodicity button on the chart toolbar to change the periodicity.You can
also change the periodicity with your Microsoft IntelliMouse pointing
device. Hold the SHIFT key down and rotate the wheel forward to lengthen
the periodicity or back to shorten the periodicity. See Using the
Microsoft IntelliMouse Pointing Device for more information on the Microsoft
IntelliMouse pointing device.
Lionel Issen<A
href="mailto:lissen@xxxxxxxxxxxxxx";><FONT face=Arial
size=2>lissen@xxxxxxxxxxxxxx
----- Original Message -----
From: "John Sellers" <<A
href="mailto:ay286@xxxxxxxx";><FONT face=Arial
size=2>ay286@xxxxxxxx>
To: <<A
href="mailto:metastock@xxxxxxxxxxxxx";><FONT face=Arial
size=2>metastock@xxxxxxxxxxxxx<FONT face=Arial
size=2>>
Sent: Wednesday, August 22, 2001 2:33
AM
Subject: RE: Weekly/Monthly
data
<FONT face=Arial
size=2>> I think you can select N days equal to five and the result will
give you> each data representing the first 5 days of the data range
selected and the> succeeding groups of 5 days of data. Note this always
uses five days of data> up to the final five or less days of data which
is represented by the final> price bar. Note this allows by setting N
to about 22 days to represent a> monthly chart of data.>
> -----Original Message-----> From: <A
href="mailto:owner-metastock@xxxxxxxxxxxxx";><FONT face=Arial
size=2>owner-metastock@xxxxxxxxxxxxx<FONT face=Arial
size=2>> [mailto:owner-metastock@xxxxxxxxxxxxx]On Behalf Of Lionel
Issen> Sent: Wednesday, August 22, 2001 7:19 AM> To: <A
href="mailto:metastock@xxxxxxxxxxxxx";><FONT face=Arial
size=2>metastock@xxxxxxxxxxxxx>
Subject: Re: Weekly/Monthly data> > > For weekly
averages, we really need at each day a bar that shows the o h l c> for
the past 5 trading days. Metastock only shows the Monday to Friday
bar.> Lionel Issen> <A
href="mailto:lissen@xxxxxxxxxxxxxx";><FONT face=Arial
size=2>lissen@xxxxxxxxxxxxxx> -----
Original Message -----> From: "Simon Roberts" <<A
href="mailto:Roberts@xxxxxxxxxxxxxxxxxxx";><FONT face=Arial
size=2>Roberts@xxxxxxxxxxxxxxxxxxx<FONT face=Arial
size=2>>> To: <<A
href="mailto:metastock@xxxxxxxxxxxxx";><FONT face=Arial
size=2>metastock@xxxxxxxxxxxxx>>
Sent: Tuesday, August 21, 2001 3:44 AM> Subject: Re: Weekly/Monthly
data> > > > Sean,> >> >
Interesting point. This reminds me of the arguments for and against>
plotting> > a moving average where we commonly do so now. If
considered logically,> and> > from the mathematical viewpoint
of what the average represents, then the> > average should really be
plotted at the point on the chart which> represents> > the
mid point of the average, and not the last point, as common practice>
> today, and since the beginning of charting.> >> > So
for a 21 day simple MA you would plot it at the middle pont of the>
> average, that is today minus 11 days.> > It of course raises
more interresting questions as to where to plot> weighted> >
averages, or exponentials. Presumably at the point representing the
centre> > of gravity of the data, not the mid point. Not very
mainstream, and not> > much help.> >> > So for
weekly data, a more representative figure might be the close on> >
Wednesday, or even an average of the weekly closes. However, usually a>
> weekly figure is used where less information is needed, not more,
hence> the> > close of the week.> >> >
Simon> >> > -----Original Message-----> > From:
Sean Taylor <<FONT
face=Arial size=2>cloudnine@xxxxxxxxxxxx<FONT face=Arial
size=2>>> > To: Metastock List <<A
href="mailto:metastock@xxxxxxxxxxxxx";><FONT face=Arial
size=2>metastock@xxxxxxxxxxxxx>>
> Date: 21 August 2001 01:35> > Subject: Weekly/Monthly
data> >> >> > >Is anybody out there using
weekly (or even monthly data)?> > >> > >It occurred
to me that if using weekly data for a system, is it truely a> >
>reflection of the weeks activity to go off the weeks close? Might it
be> > >better to perform some sort of average on the weeks data
to better> reflect> > >the weeks activity? i.e. the
average close for the week.> > >Metastock takes the Friday close
and uses this for weekly data.> > >> > >I raise this
because I've come up with a system that works well on the> >
>Russell 2000 weekly but not daily.> > >> > >It
just seems that the data I'm basing the test off could vary as easily>
as> > >an individual day.> > >> >
>Thoughts?> > >> > >Thanks,> >
>Sean> > >> > >> >> >>
>
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