Hello,

In the US, a day trading enabled account may have 25% margin (4x) without interest charges --as long as you do not hold a stock overnight.

Dennis

On May 1, 2007, at 9:09 AM, Tomasz Janeczko wrote:

Hello,

The idea behind CFD is very similar to futures, forex and other leveraged instruments.
Therefore personally I would use futures mode and
MarginDeposit = -10
(negative deposit represents percentage).

But you are of course free to use account margin if you like it better.

Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: David Smith
To: [email protected]
Sent: Tuesday, May 01, 2007 2:48 PM
Subject: RE: [amibroker] Re: Account Margin

Hi Tomasz. I am using the margin setting for CFD trading of stocks on the ASX Australian market which allow 10% margin trading. I did not mean to use it as a deposit function like futures, perhaps I have used the wrong terminology. For CFD's on 10 % margin, I can put up $1000 for a position size of $10,000. I thought that was how I should use the margin setting at 10 %, then all calls to position size have to refer to the cash*leverage. Have I used the margin function incorrectly for this?

Cheers, David


-----Original Message-----
From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Tomasz Janeczko
Sent: Tuesday, 1 May 2007 10:34 PM
To: [email protected]
Subject: Re: [amibroker] Re: Account Margin


All these "explanations" below are wrong.

When everything fails - read the manual.

This "MarginRequirement" setting is the property of the BROKERAGE ACCOUNT - account margin (not position margin). It decides how much borrowed funds can be used.
US regulations allow 50% margin ONLY.
When account margin is set to 50% it allows position sizes of upto 200% of your cash.
It does NOT involve deposits.
This is for STOCKS, not for futures.

This is completely different from futures-like margins and other leveraged instruments.
You should read the manual about futures margins:

http://www.amibroker.com/guide/h_futbacktest.html

Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: David Smith
To: [email protected]
Sent: Tuesday, May 01, 2007 1:09 PM
Subject: RE: [amibroker] Re: Account Margin

Hi Bernard,

try the following. As I understand position sizing, when you set position size it is setting the actual postion bought, so a $1000 deposit on 10 % margin will be a position size of $10000. It also depends if you meant actual risk per trade or you meant a deposit of $1000 per trade (this is also called fixed position size).

For fixed position size, this is simply as follows ( I like to set everything in my code rather than using the tester).
Capital = 10000; // Initial Capital $10,000
Margin = 10; // Margin 10 % CFDs
// Position Sizing
PercentCapitalpertrade =  10; // ie $1000 out of a $10K account
PositionSize = Capital * PercentCapitalPerTrade / Margin;
// Initial Trade Parameters
SetOption("InitialEquity", Capital );
SetOption("MarginRequirement", Margin); // CFD trading requiring 10 % margin


Alternatively you can just set PositionSize =10000; // ie $1000 deposit on 10 % margin

For $1000 risk, you need to set the risk according to the stop value. Check the user manual for this full explanation of this.

Positionsize = -2*BuyPrice/(StopDelta);

Cheers, Dave



etc....


-----Original Message-----
From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of bernardedmond01
Sent: Tuesday, 1 May 2007 11:12 AM
To: [email protected]
Subject: [amibroker] Re: Account Margin

David
Further to my earlier post - if I can't use "positionsize = -10",
how do I go about saying therefore that I have a starting equity of
say, $10,000, with purchasing power of $100,000 (account margin of
10) but I only want to risk $1,000 per trade?
Bernard

--- In [email protected], "David Smith" <[EMAIL PROTECTED]>
wrote:
>
> Have you overriden the margin settings in your code & set to 100,
or perhaps
> set PositionSize in code to a fixed value. This would cause this
to occur.
>
>
> -----Original Message-----
> From: [email protected] [mailto:[EMAIL PROTECTED]
On Behalf
> Of bernardedmond01
> Sent: Monday, 30 April 2007 9:56 PM
> To: [email protected]
> Subject: [amibroker] Account Margin
>
>
>
> Hi All
> Why is that when I change my account margin setting (e.g. from 100
to
> 10) it does not change/affect my position size? I have read
through the
> manual and searched on here for any clues but I can't find what
I'm
> doing wrong. Any ideas?
> Cheers
>





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