Longer periods can be used but we prefer to work within the period of the most rapid option time decay.
(Longer periods; can be used; ) (we; prefer; to work within the period of the most rapid option time decay) Context(we prefer,List([31, 40))):(we; prefer to work; T:within the period of the most rapid option time decay)
we prefer,List([31, 40))
Longer periods we we
can be used prefer prefer to work
to work within the period of the most rapid option time decay
T:within the period of the most rapid option time decay