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Dennis Conn wrote:
>
> Greetings,
>
> Can someone refer me to a website that explains how the margin
> requirements are determined for short options? I'd rather be able to
> get a close approximation than wait on the computer to determine the
> figure for the next day's run. It would be nice to be able to figure
> that little detail, BEFORE getting the bad news...
>
> Thanks,
>
> Dennis
> dlc@xxxxxxxxx
Try http://www.cme.com/span/span.htm .
As I recall, the calcualation is not explained there, but they offer a
program that you can buy. It sounds like you feed that program a daily
data file downloaded from each exchange of interest and then it can
calculate your margin. I have not explored short options, so I have no
further info.
If there's some "rules of thumb" that can be used to estimate margins on
option position, I'd be interested.
Conrad Bowers
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