Bull Spread是什么意思？

bull spread
[英][bul spred][美][bʊl sprɛd]
看涨的对敲套利，多头价差，买空者的多空套做;

例句
1 Since the 80 time of last century, a new round of international drug tide has rushed into China with a rapid expansion, which made the drug crimes in our country increasingly rampant, and presenting new features as radiation spread, sustained growth, bull penetration, subtle, intelligent and internationalization intensification.
上世纪80年代以来，新一轮的国际毒潮冲入我国，并在我国迅猛扩展，致使我国毒品犯罪日益猖獗，呈现出辐射蔓延、持续增长、多头渗透、隐蔽化、智能化和国际化加剧等新的特点。
2 Investors regard Japan as resistant to their attempts to spread the gospel of shareholder value and a place where a bull run is when equities rally to one-quarter their 1990 level.
投资者认为，日本对他们宣扬股东价值的努力拒不买账，而且在那里，股市若能反弹至1990年水平的四分之一，就算是一轮牛市了。
3 Investors regard Japan as resistant to their attempts to spread the gospel of shareholder value and a place where a bull run is when equities rally to one-quarter their1990 level.
投资者以日本为耐酒精度传播福音的股东价值，这个地方的牛市是当股市反弹到1990年的水平四分之一。

您所说的这个词语，是属于CFA词汇的一个，掌握好CFA词汇可以让您在CFA的学习中如鱼得水，这个词的翻译及意义如下：一种在相关证券价格上升时可获得最大利润的期权策略。买入或出售期权都可以采用这个策略。方法为买入行使价格较低的期权，卖出行使价格较高的期权，两者的到期日一样。

bull spread

牛市套利

[网络短语]

Bull Spread 牛市套利,多头价差,看涨的多空套做
Bull call spread 买权看多价差,买权多头价差,牛市看涨期权价差
Bull Vertical Spread 看涨的纵向多空套做