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brreg070

02/12/14 4:14 PM

#50802 RE: brreg070 #50799

Sorry for being a bit of a wise ass. . .couldn't help it. The buyer (or seller) of an options contract can buy or sell the same contracts at any time prior to options expiration. Contracts are created with transactions "to open". Whoever bought (or sold) those contracts added to open interest during any "opening" transaction. If they subsequently sold "to close", their number of contracts is then subtracted from open interest. New contracts created with an opening transaction do not need to remain in existence until expiration or exercise, etc. This is it in simplest terms. hope that helps.
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jomifa8301

02/12/14 4:21 PM

#50803 RE: brreg070 #50799

I apologize, I don't have time for cute responses, and then yet not answering the implied question.

no one has any obligation to answer the question.
but would appreciate any explanation on the topic.

the part i don't get is one one person who sells a contract to somebody new, it doesn't decrease open interest, but if sells to someone who already owns contracts, it does decrease the open interest.
wouldn't there still be the same amount of existing contracts out there?
is that what the intent is of the calculations? or there something I am missing.

respectfully,