Quote from domestic:
when the underlying reaches within 25 points of the short option, i will sell a following month option higher(or lower if a put) for the equal or better amount of the short closer month option that i have to buy back.
an example would be(using oct even though i do not have any short october's):
er2 @ 767.10 my short call @ 795 /.45 ask
nov 830 @ .65 bid. .....my new position MAY now be nov 830. i also may go higher or lower.doing this is not an outright loss in my book, especially when the option that i am forced to buy back is for less than i sold it for...or we just may see an actual roll....... fyi , i have done this before , i just prefer not to of course.
i might also add; those who do spreads either ctm, or otm have already taken losses , i have not, although i am 15 points away from a "roll".