回复：回复：回复：I understand this trading strategy now. but th

2 yrs put cost u =$12, but u only pay 50 cents average each month, when u earn $4 each month from selling covered call. $4-0.5=3.5 profit/month.

or
$4 x 24 =$96 profit/2 yrs - $12 put as pretection=$84 profit/2 yrs.

$12 for 2 yrs is INEXPENSIVE compare with ur profit=$84 for 2 yrs.

or
$1200 : $8400