when BB on one-minute chart narrowed down to less than 20 points upper-lower bound range, market used to be on the verge to expand it's volatility.
conclusion:
time to 左右逢源; especially when IV dropped to 12-13% levels
try LC230 + LP226 or LC232 + LP224, hold pass afternoon, worst case senario: lost all the fees.
[ 本帖最後由 Jinpa 於 2011-5-26 11:28 編輯 ]