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RE: RE: RE: [amibroker] Re: more positionsize results I don't understand



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thanks Tomasz, I realized that the percentage figures must be relative to
the entire account size.

however, the way profits are reinvested if positionsize isn't 100% seems
very strange to me, possibly not what you intend.

look at these two trades, the first two in one of the stocks at 100%
positionsize:

Profit	Shares	Position
948.62	632.41	10,000.00
276.68	632.41	10,948.60

the first trade made $948.62 profit, which the second trade invested, taking
a $10,948.60 position.

here's the same two trades with 10% positionsize:

Profit	Shares	Position
94.86	63.24	1,000.00
25.51	58.31	1,009.49

the first trade made $94.86 profit, but the second one invested only 10% of
that profit, taking a $1,009.49 position. that doesn't make sense to me.


am I off base here? in what situations is this behavior appropriate? is
there any way to get AB to invest all profits from each stock if
positionsize isn't 100%?

thanks,

dave


> Indeed % results are accurate but always related to total initial equity,
> regardless of position size you set with each trade. If you have
> 90% of equity in cash your percentage risk/drawdown/etc is of course 1/10
> of values that you would expect trading 100% of your funds.
>
> Best regards,
> Tomasz Janeczko
> amibroker.com


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