|
发表于 2011-7-15 02:06 PM
|
显示全部楼层
littlevivi 发表于 2011-7-15 14:55
谢谢mm,put 和call我一直就没搞清楚怎么回事。不过我记下来你的操作建议了。
now BAC=$9.97
The person who buys your July 22 10 call, has a right to get your BAC at a price of $10 before or on July22. So if BAC goes above $10, he has the right to get your BAC on or before July22 any day at $10.
He has the right, and you sold the right to him.
You sell July 22 BAC 10 call today, you give him right to get your BAC at price of $10 on or before July 22.
You sell the call today, you get price of $0.23 which is 23 dollars,
if BAC goes below $10 on close of July 22, he WILL NOT use the right to buy your BAC at $10,(since market is cheaper than $10), you keep your premiumof 23 dollars and your 100 share of BAC
if BAC goes above $10 on close of July 22, he WILL use the right to buy your BAC at $10, you keep your premium and your 100 share of BAC will be transfered to him at price of $10.
It is a little bit like you pay yourself dividend each week. But you might loss your position at certain price. |
|