Sorry, you logic is very confused. Can't help further :)

所有跟帖： 

• Try last time (put the facts here so we are on the same page -aloevera- ♀ (675 bytes) () 02/18/2025 postreply 15:41:26

• you are confused about "selling 2 puts" -三心三意- ♂ (560 bytes) () 02/18/2025 postreply 15:49:07

• 舉個極端的例子，即使APP掉到100，480-465（1:1）的組合任然有$15的價值，所以這個465是永遠不會被買進的 -三心三意- ♂ (0 bytes) () 02/18/2025 postreply 16:00:58

• 這樣的話，永遠隻能賺這$15 max profit. 我是在比較max profit. 也就是哪邊hedge 的最大化呀 -aloevera- ♀ (91 bytes) () 02/18/2025 postreply 16:11:14

• 再給你舉個極端的例子，你可以賣100 張465的Put contact，那豈不是max profit1更多？ -三心三意- ♂ (0 bytes) () 02/18/2025 postreply 16:14:54

• 因為put ratio spread 就是賣2張put呀，所以也用2 張put 在selling put only上。 -aloevera- ♀ (692 bytes) () 02/18/2025 postreply 16:36:57

• I gave up :) -三心三意- ♂ (0 bytes) () 02/18/2025 postreply 16:39:41

• Sorry for taking up so much of your time! Feel bad。 -aloevera- ♀ (0 bytes) () 02/18/2025 postreply 16:41:13

• After dinner, I relooked at your posts. I think I've got it -aloevera- ♀ (532 bytes) () 02/18/2025 postreply 20:35:20

• 要係統的學呀，這樣操作太危險 -三心三意- ♂ (0 bytes) () 02/18/2025 postreply 16:15:54

• 唉，學藝不精見笑，目前先不做這個交易了。 -aloevera- ♀ (167 bytes) () 02/18/2025 postreply 16:39:39