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Hi mahesh,
As no one else has answered, and the trading day is over, I will respond
with a couple things; blunt but not meaning to be rude.
I do not know what you mean by "with volumes calculated based on
some percentage of thier price". Do you mean that the price should be
divided by volume and multiplied by 100 to produce a
percentage? Clearly stating what you are trying to do, and what you
have tried to do (e.g., your attempts to code) will usually get a better
response. It's not unlike being in a foreign country and attempting to ask
for directions in the native language rather than expecting everyone to speak
your native tongue. You may mangle their pronunciation, but I always
found folks to be sympathetic. And if you search this group, you'll find a
number of posts and discussion of using volume * price. One as recent as
the first week of March 2008. This is not a novel concept and does
have it's uses.
What Gordon posted is extremely basic. It is simply the _expression_
for a value of the close multiplied by the volume. It could be plotted on
a chart (use a Plot statement) or used as a value to search on with an
exploration or a scan. While this can be a useful tool for trading
decisions, IMHO it is less so for filtering, and you asked to exclude low volume
issues (for example Berkshire Hathaway A trades 710 shares on
average, but with a value of ~ $130,000, it's going to pass most V*C
filters).
Personally I prefer a filter using the 21 day average Volume
being greater than a value (21 days being a trading month and my basic liquidity
for trading is at least 125,000 shares average -- though I usually
don't even go this low anymore). Another metric you might consider is the
float, but that's another matter for you to look into. And if you want to
use Gordon's V*C code, substitute it in what I'm giving you (with appropriate
adjustments in value) if you are filtering.
To get you started:
The formula for the 21 day average of volume is
MA(V,21). To code this to filter stocks, add a filter in an
exploration as follows:
Filter = MA(V, 21) > 125000;
AddTextColumn( FullName(), "NAME", 15.0, colorYellow, colorPlum, 250);
If you wanted to see all issues and their
volumes (color coded for level, but you could sort the column as
well) try this:
Filter = 1;
AddColumn( MA(V, 21), "AVG
VOL", 8.0, colorWhite, IIf( MA(V, 21) > 125000 , colorDarkGreen, colorDarkRed),
100);
OK, now the lecture: if you are serious about using AB, then you need learn
how to do the most simple stuff; lots of folks will help with more difficult
stuff, but you can't expect to be spoon fed everything. AFL is powerful,
but the basics aren't rocket science. You asked for a filter, so I'm
assuming you know what you are asking for, just not how to code it in
AFL. This will get you started, but it's up to you to learn. Read
the tutorial, look at the help file for AFL expressions, look at code in the
library. Being new, this is where you should start.
Peace and Justice --- Patrick
----- Original Message -----
Sent: Tuesday, April 29, 2008 6:23
AM
Subject: [amibroker] can u explain how to
use C * V (close * volume) mr gordon
mr gordon i m new to amibroker, can u please briefly explain
how to
use close * volume
regards
mahesh
-- In amibroker@xxxxxxxxxxxxxxx, "Gordon
Sutherland" <gosuth@xxx>
wrote:
>
> Hi Mahesh,
>
> Why not use C * V (Close * Volume)
>
> Regards,
>
> Gordon Sutherland
>
> -----Original Message-----
>
From: amibroker@xxxxxxxxxxxxxxx
[mailto:amibroker@xxxxxxxxxxxxxxx]
On Behalf
> Of mahest72
>
Sent: Wednesday, 30 April 2008 12:38 a.m.
> To: amibroker@xxxxxxxxxxxxxxx
>
Subject: [amibroker] volume filter plz guide
>
> hi, all
>
i want to filter all stocks for volume, there are stocks which
trades
> @ 50 100 200 500 1000 2000 and 2500 in NSE, how to scan stock with
> volumes calculated based on some percentage of thier price so that
i
> dont get low priced stock as volume toppers
>
>
regards
> mahesh
>
>
>
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