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Crassus


Total Posts: 1191
Joined: May 2004
 
Posted: 2012-06-25 23:40
does anyone know any heuristics on how to calculate capital requirements perhaps in some matrix of on frequency and asset class?


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Nonius
Founding Member
Nonius Unbound
Total Posts: 11347
Joined: Mar 2004
 
Posted: 2012-06-26 23:49
duderino, of what kind of capital you speak?  Reg Cap?

An a=a etc moment....http://www.dinbali.com/?page_id=74

Crassus


Total Posts: 1191
Joined: May 2004
 
Posted: 2012-06-27 09:02
hi dude, more investment / working capital,
e.g. if I am long equities stocks with holding period in the months, then I could probably say, I need this amount of $ to buy this portfolio (to achieve this expected return).
On the other hand if I am trading futures intraday, then I presumably have some margin requirements, and a lot less capital will be tied up therein, and it's more of a working capital.
So if I say, "Nonius, what is the minimum $ you need to run your intraday, or weekly strategies?", how would you estimate that?

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NeroTulip


Total Posts: 732
Joined: May 2004
 
Posted: 2012-06-27 09:23
You could use something like annual vol * 10 to have a 10% vol, or max drawdown * 5 to have a 20% max drawdown. Adjust according to your investor's risk appetite.

Inflatable trader

Praetorian


Total Posts: 156
Joined: Apr 2009
 
Posted: 2012-06-27 09:25
For liquid us equities I use the heuristic of 1/4 * buy/sell price for each security under Portfolio Margin plus a safety buffer over all strategies (10% of my capital).

Crassus


Total Posts: 1191
Joined: May 2004
 
Posted: 2012-06-27 23:22
good responses, especially the reminder about backtesting results. thanks.


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