A.增加權(quán)利倉(cāng)頭寸 B.減少權(quán)利倉(cāng)頭寸 C.增加義務(wù)倉(cāng)頭寸 D.減少義務(wù)倉(cāng)頭寸
A.15.2元 B.16.8元 C.17元 D.13.2元
A.限制所有交易 B.限制賣出開倉(cāng)與買入開倉(cāng),但不限制備兌開倉(cāng) C.限制賣出開倉(cāng),但不限制買入開倉(cāng)以及備兌開倉(cāng) D.限制買入開倉(cāng),但不限制賣出開倉(cāng)以及備兌開倉(cāng)