以前我也沒以為有這麽多，這裏有我剛在sec.gov找到的文章。

https://www.sec.gov/files/rules/other/nasdaqllcf1a4_5/e_sysdesc.pdf

所有跟帖： 

• 這叫market participants. 不是Market makers. MM=providers. -godzilla- ♂ (0 bytes) () 04/28/2024 postreply 12:50:26

• they underwrite calls and puts and they need to make money -godzilla- ♂ (0 bytes) () 04/28/2024 postreply 12:52:22

• by these going to zero -godzilla- ♂ (0 bytes) () 04/28/2024 postreply 12:53:34

• 隻要不間斷提供買入和賣出價就是market maker, 當然店有大小。 -混談- ♂ (0 bytes) () 04/28/2024 postreply 12:58:53

• 那叫高頻交易。也是蝦米。 -godzilla- ♂ (0 bytes) () 04/28/2024 postreply 13:01:11