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A comment on Show HN: Bitcoin derivatives – call and put options. Parent comment

Re:Show HN: Bitcoin derivatives – call and put options by mcphilip on Monday March 24, 2014 @05:33PM (#7461712)
So only selling covered calls are allowed, in other words?
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Re:Show HN: Bitcoin derivatives – call and put options by rjtavares on Monday March 24, 2014 @05:40PM (#7461781)
"Covered calls" are covered by the underlying asset. That's not the same as a 100% margin requirement.
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Re:Show HN: Bitcoin derivatives – call and put options by this_user on Monday March 24, 2014 @05:55PM (#7461909)
From the call writer's perspective it's indistinguishable from a covered call transaction.

This also greatly reduces the service's usefulness as you are unable to implement many standard option strategies.

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Re:Show HN: Bitcoin derivatives – call and put options by rjtavares on Monday March 24, 2014 @06:40PM (#7462234)
The initial transaction, yes, but not the final payoffs.

I agree with you on the other issue (though you borrow money elsewhere to simulate a lower margin).

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