A.在300買入開倉(cāng),在330賣出平倉(cāng) B.在300賣出開倉(cāng),在330買入平倉(cāng) C.在300買入平倉(cāng),在300賣出開倉(cāng) D.在300賣出平倉(cāng),在330買入開倉(cāng)
A.1手 B.2手 C.3手 D.沒有起點(diǎn)限制
A.100% B.105% C.95% D.110%