Based on your answer, can I conclude that a June 2010 ES spread, if done with 3 sold June 2010 925put options, and the purchase of 3 June 2010 900puts, would be covered no matter what with 10K.
--- In OptionClub@yahoogro
>
> Yes, that is correct. Once you enter the trade - in the scenario described
> below, no matter where the market is, you now have $7560 of trading capital
> available also called Buying Power effect (Reg-T margin calculations)
> brokers "locks up" your max loss as margin.
>
> And this would a good example of why you may not want to be hold naked
> shorts.
>
> So you have no holes in your understanding but if this scenario does indeed
> happen, you sure will have a hole in your pocket :-).
>
> Murthy
>
>
>
> On Mon, Mar 8, 2010 at 12:04 PM, asdfffg1 <joshuas7@..
>
> > I want to understand the details of a market crash as it relates to margin
> > requirements. Up until now, I only understand the concept of a crash. Below
> > is an example of what I 'believe' it means. For those who know, please fill
> > in the holes of my understanding.
> >
> > For Example
> > This past Friday, the June 2010 E-mini S&P contract had daily movement
> > around 1130 going into the close. In the last few hours of Friday's trading
> > hours, we sold a ES June 2010 credit spread consisting of one short June
> > 925put for $280, and the purchase of one June 900put for $220. This gave us
> > a $60 credit. Lets say tonight, the ES market will tumbles in the globex
> > session. Tomorrow morning, (Tuesday) we turn on the computer at 930AM where
> > we observe the S&P market has plummeted to 800. Our largest possible dollar
> > loss, after this devasting move, would be $2500, minus the $60 credit. If
> > the trade would have been placed last Friday, with a $10000 margin account,
> > what would be the absolute largest amount required for margin. It can't be
> > more than $2500 can it? Thanks for the help.
> >
> >
> >
> >
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