單項選擇題決定市場效率的因素()

A.合同細(xì)節(jié)
B.交易員的數(shù)量
C.未履行合同的數(shù)量
D.以上所有


你可能感興趣的試題

1.單項選擇題讓客戶簽署客戶協(xié)議表格的目的是()

A.這樣,如果客戶的追加保證金要求沒有得到滿足,他的頭寸就可以被平倉
B.授予經(jīng)紀(jì)人委托書
C.以滿足商品期貨交易委員會的規(guī)定。
D.保護經(jīng)紀(jì)人

4.單項選擇題如果投資者預(yù)期兩份合約之間的價差將收窄,他將啟動價差()

A.selling the contract offered at the higher price and selling the contract offered at the lower price
B.buying the contract offered at the higher price and buying the contract offered at the lower price
C.buying the contract offered at the higher price and selling the contract offered at the lower price
D.以較高的價格出售合同,以較低的價格購買合同