why not buy shares directly instead of buying options?

just curious. Options has time decay even if it's small with deep in the money, much more than the interest from the cash holding. 

所有跟帖： 

• 股票和leaps 都有股票大頭 -lionhill- ♂ (0 bytes) () 07/11/2025 postreply 08:32:59

• 你去看一下我的博客 -lionhill- ♂ (0 bytes) () 07/11/2025 postreply 08:33:40

• 兩個原因：1. save很多錢 2. 大跌時候不會無限跌。 -求索2014- ♂ (0 bytes) () 07/11/2025 postreply 08:39:25

• just for discussion -abc-nezha- ♂ (555 bytes) () 07/11/2025 postreply 08:56:27

• call等於underlying + put，有人喜歡有人不喜歡而已。 -求索2014- ♂ (0 bytes) () 07/11/2025 postreply 09:25:17

• 另外，沒人會用ditm options做iv arbitrage的。一是接近parity，沒有多少iv空間，二是 -求索2014- ♂ (27 bytes) () 07/11/2025 postreply 09:38:43

• yes, it's called poor man's covered call -abc-nezha- ♂ (77 bytes) () 07/11/2025 postreply 10:29:06

• if so, how that will save money? -abc-nezha- ♂ (0 bytes) () 07/11/2025 postreply 10:24:47

• 通常兩年ditm leaps delta 0.9，價錢大概是undelying的1/3，可以save不少。 -求索2014- ♂ (0 bytes) () 07/11/2025 postreply 10:32:42

• ok -abc-nezha- ♂ (24 bytes) () 07/11/2025 postreply 10:42:30